MII IG Kerndatensatz-Modul Bildgebung
2027.0.0-ballot.1 - Germany

MII IG Kerndatensatz-Modul Bildgebung - Downloaded Version 2027.0.0-ballot.1 See the Directory of published versions

Extension: MII EX Bildgebung Modalität MG/CR/DX - Detaillierte Beschreibungen

Active Stand: 2026-09-15

Definitionen für das mii-ex-bildgebung-modalitaet-mg-cr-dx extension

Guidance on how to interpret the contents of this table can be foundhere

0. Extension
Definition

Die Extension ermöglicht es die Ressourcen und Machbarkeitsanalysen auf MG, CR & DX Daten zu erweitern.


Optional Extension Element - found in all resources.

ShortMII EX Bildgebung Modalität MG/CR/DXOptional Extensions Element
Control0..*
This element is affected by the following invariants: ele-1
Is Modifierfalse
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
2. Extension.extension:KVP
Slice NameKVP
Definition

An Extension

ShortExtensionAdditional content defined by implementations
Control0..1*
TypeExtension
Is Modifierfalse
Summaryfalse
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
4. Extension.extension:KVP.extension
Definition

An Extension


May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

ShortExtensionAdditional content defined by implementations
Comments

There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

Control0..0*
TypeExtension
Is Modifierfalse
Summaryfalse
Alternate Namesextensions, user content
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
SlicingThis element introduces a set of slices on Extension.extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
  • value @ url
  • 6. Extension.extension:KVP.url
    Definition

    Source of the definition for the extension code - a logical name or a URL.

    Shortidentifies the meaning of the extension
    Comments

    The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.

    Control1..1
    Typeuri
    Is Modifierfalse
    XML FormatIn the XML format, this property is represented as an attribute.
    Summaryfalse
    Fixed ValueKVP
    8. Extension.extension:KVP.value[x]
    Definition

    Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

    ShortValue of extension
    Control0..1
    TypeQuantity(SimpleQuantity), date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, id, positiveInt, Distance, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, CodeableConcept, ParameterDefinition, dateTime, code, string, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, Reference, TriggerDefinition, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time
    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
    Is Modifierfalse
    Summaryfalse
    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    10. Extension.extension:KVP.value[x].comparator
    Definition

    Not allowed to be used in this context


    How the value should be understood and represented - whether the actual value is greater or less than the stated value due to measurement issues; e.g. if the comparator is "<" , then the real value is < stated value.

    Short< | <= | >= | > - how to understand the value
    Control0..01
    BindingThe codes SHALL be taken from QuantityComparatorhttp://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1
    (required to http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1)

    How the Quantity should be understood and represented.

    Typecode
    Is Modifiertrue because This is labeled as "Is Modifier" because the comparator modifies the interpretation of the value significantly. If there is no comparator, then there is no modification of the value
    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
    Summarytrue
    Requirements

    Need a framework for handling measures where the value is <5ug/L or >400mg/L due to the limitations of measuring methodology.

    Meaning if MissingIf there is no comparator, then there is no modification of the value
    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    12. Extension.extension:KVP.value[x].unit
    Definition

    A human-readable form of the unit.

    ShortUnit representation
    Control0..1
    Typestring
    Is Modifierfalse
    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
    Summarytrue
    Requirements

    There are many representations for units of measure and in many contexts, particular representations are fixed and required. I.e. mcg for micrograms.

    Pattern Valuekilovolt
    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    14. Extension.extension:KVP.value[x].system
    Definition

    The identification of the system that provides the coded form of the unit.

    ShortSystem that defines coded unit form
    Control0..1
    This element is affected by the following invariants: qty-3
    Typeuri
    Is Modifierfalse
    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
    Summarytrue
    Requirements

    Need to know the system that defines the coded form of the unit.

    Pattern Valuehttp://unitsofmeasure.org
    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    16. Extension.extension:KVP.value[x].code
    Definition

    A computer processable form of the unit in some unit representation system.

    ShortCoded form of the unit
    Comments

    The preferred system is UCUM, but SNOMED CT can also be used (for customary units) or ISO 4217 for currency. The context of use may additionally require a code from a particular system.

    Control0..1
    Typecode
    Is Modifierfalse
    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
    Summarytrue
    Requirements

    Need a computable form of the unit that is fixed across all forms. UCUM provides this for quantities, but SNOMED CT provides many units of interest.

    Pattern ValuekV
    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    18. Extension.extension:exposureTime
    Slice NameexposureTime
    Definition

    An Extension

    ShortExtensionAdditional content defined by implementations
    Control0..1*
    TypeExtension
    Is Modifierfalse
    Summaryfalse
    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
    20. Extension.extension:exposureTime.extension
    Definition

    An Extension


    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

    ShortExtensionAdditional content defined by implementations
    Comments

    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

    Control0..0*
    TypeExtension
    Is Modifierfalse
    Summaryfalse
    Alternate Namesextensions, user content
    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
    SlicingThis element introduces a set of slices on Extension.extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
    • value @ url
    • 22. Extension.extension:exposureTime.url
      Definition

      Source of the definition for the extension code - a logical name or a URL.

      Shortidentifies the meaning of the extension
      Comments

      The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.

      Control1..1
      Typeuri
      Is Modifierfalse
      XML FormatIn the XML format, this property is represented as an attribute.
      Summaryfalse
      Fixed ValueexposureTime
      24. Extension.extension:exposureTime.value[x]
      Definition

      Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

      ShortValue of extension
      Control0..1
      TypeQuantity(SimpleQuantity), date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, id, positiveInt, Distance, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, CodeableConcept, ParameterDefinition, dateTime, code, string, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, Reference, TriggerDefinition, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time
      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
      Is Modifierfalse
      Summaryfalse
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      26. Extension.extension:exposureTime.value[x].comparator
      Definition

      Not allowed to be used in this context


      How the value should be understood and represented - whether the actual value is greater or less than the stated value due to measurement issues; e.g. if the comparator is "<" , then the real value is < stated value.

      Short< | <= | >= | > - how to understand the value
      Control0..01
      BindingThe codes SHALL be taken from QuantityComparatorhttp://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1
      (required to http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1)

      How the Quantity should be understood and represented.

      Typecode
      Is Modifiertrue because This is labeled as "Is Modifier" because the comparator modifies the interpretation of the value significantly. If there is no comparator, then there is no modification of the value
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summarytrue
      Requirements

      Need a framework for handling measures where the value is <5ug/L or >400mg/L due to the limitations of measuring methodology.

      Meaning if MissingIf there is no comparator, then there is no modification of the value
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      28. Extension.extension:exposureTime.value[x].unit
      Definition

      A human-readable form of the unit.

      ShortUnit representation
      Control0..1
      Typestring
      Is Modifierfalse
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summarytrue
      Requirements

      There are many representations for units of measure and in many contexts, particular representations are fixed and required. I.e. mcg for micrograms.

      Pattern Valuemilliseconds
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      30. Extension.extension:exposureTime.value[x].system
      Definition

      The identification of the system that provides the coded form of the unit.

      ShortSystem that defines coded unit form
      Control0..1
      This element is affected by the following invariants: qty-3
      Typeuri
      Is Modifierfalse
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summarytrue
      Requirements

      Need to know the system that defines the coded form of the unit.

      Pattern Valuehttp://unitsofmeasure.org
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      32. Extension.extension:exposureTime.value[x].code
      Definition

      A computer processable form of the unit in some unit representation system.

      ShortCoded form of the unit
      Comments

      The preferred system is UCUM, but SNOMED CT can also be used (for customary units) or ISO 4217 for currency. The context of use may additionally require a code from a particular system.

      Control0..1
      Typecode
      Is Modifierfalse
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summarytrue
      Requirements

      Need a computable form of the unit that is fixed across all forms. UCUM provides this for quantities, but SNOMED CT provides many units of interest.

      Pattern Valuems
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      34. Extension.extension:exposure
      Slice Nameexposure
      Definition

      An Extension

      ShortExtensionAdditional content defined by implementations
      Control0..1*
      TypeExtension
      Is Modifierfalse
      Summaryfalse
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
      36. Extension.extension:exposure.extension
      Definition

      An Extension


      May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

      ShortExtensionAdditional content defined by implementations
      Comments

      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

      Control0..0*
      TypeExtension
      Is Modifierfalse
      Summaryfalse
      Alternate Namesextensions, user content
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
      SlicingThis element introduces a set of slices on Extension.extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
      • value @ url
      • 38. Extension.extension:exposure.url
        Definition

        Source of the definition for the extension code - a logical name or a URL.

        Shortidentifies the meaning of the extension
        Comments

        The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.

        Control1..1
        Typeuri
        Is Modifierfalse
        XML FormatIn the XML format, this property is represented as an attribute.
        Summaryfalse
        Fixed Valueexposure
        40. Extension.extension:exposure.value[x]
        Definition

        Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

        ShortValue of extension
        Control0..1
        TypeQuantity(SimpleQuantity), date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, id, positiveInt, Distance, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, CodeableConcept, ParameterDefinition, dateTime, code, string, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, Reference, TriggerDefinition, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time
        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
        Is Modifierfalse
        Summaryfalse
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        42. Extension.extension:exposure.value[x].comparator
        Definition

        Not allowed to be used in this context


        How the value should be understood and represented - whether the actual value is greater or less than the stated value due to measurement issues; e.g. if the comparator is "<" , then the real value is < stated value.

        Short< | <= | >= | > - how to understand the value
        Control0..01
        BindingThe codes SHALL be taken from QuantityComparatorhttp://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1
        (required to http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1)

        How the Quantity should be understood and represented.

        Typecode
        Is Modifiertrue because This is labeled as "Is Modifier" because the comparator modifies the interpretation of the value significantly. If there is no comparator, then there is no modification of the value
        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
        Summarytrue
        Requirements

        Need a framework for handling measures where the value is <5ug/L or >400mg/L due to the limitations of measuring methodology.

        Meaning if MissingIf there is no comparator, then there is no modification of the value
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        44. Extension.extension:exposure.value[x].unit
        Definition

        A human-readable form of the unit.

        ShortUnit representation
        Control0..1
        Typestring
        Is Modifierfalse
        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
        Summarytrue
        Requirements

        There are many representations for units of measure and in many contexts, particular representations are fixed and required. I.e. mcg for micrograms.

        Pattern Valuemilliampere second
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        46. Extension.extension:exposure.value[x].system
        Definition

        The identification of the system that provides the coded form of the unit.

        ShortSystem that defines coded unit form
        Control0..1
        This element is affected by the following invariants: qty-3
        Typeuri
        Is Modifierfalse
        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
        Summarytrue
        Requirements

        Need to know the system that defines the coded form of the unit.

        Pattern Valuehttp://unitsofmeasure.org
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        48. Extension.extension:exposure.value[x].code
        Definition

        A computer processable form of the unit in some unit representation system.

        ShortCoded form of the unit
        Comments

        The preferred system is UCUM, but SNOMED CT can also be used (for customary units) or ISO 4217 for currency. The context of use may additionally require a code from a particular system.

        Control0..1
        Typecode
        Is Modifierfalse
        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
        Summarytrue
        Requirements

        Need a computable form of the unit that is fixed across all forms. UCUM provides this for quantities, but SNOMED CT provides many units of interest.

        Pattern ValuemA.s
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        50. Extension.extension:xRayTubeCurrent
        Slice NamexRayTubeCurrent
        Definition

        An Extension

        ShortExtensionAdditional content defined by implementations
        Control0..1*
        TypeExtension
        Is Modifierfalse
        Summaryfalse
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
        52. Extension.extension:xRayTubeCurrent.extension
        Definition

        An Extension


        May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

        ShortExtensionAdditional content defined by implementations
        Comments

        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

        Control0..0*
        TypeExtension
        Is Modifierfalse
        Summaryfalse
        Alternate Namesextensions, user content
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
        SlicingThis element introduces a set of slices on Extension.extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
        • value @ url
        • 54. Extension.extension:xRayTubeCurrent.url
          Definition

          Source of the definition for the extension code - a logical name or a URL.

          Shortidentifies the meaning of the extension
          Comments

          The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.

          Control1..1
          Typeuri
          Is Modifierfalse
          XML FormatIn the XML format, this property is represented as an attribute.
          Summaryfalse
          Fixed ValuexRayTubeCurrent
          56. Extension.extension:xRayTubeCurrent.value[x]
          Definition

          Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

          ShortValue of extension
          Control0..1
          TypeQuantity(SimpleQuantity), date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, id, positiveInt, Distance, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, CodeableConcept, ParameterDefinition, dateTime, code, string, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, Reference, TriggerDefinition, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time
          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
          Is Modifierfalse
          Summaryfalse
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          58. Extension.extension:xRayTubeCurrent.value[x].comparator
          Definition

          Not allowed to be used in this context


          How the value should be understood and represented - whether the actual value is greater or less than the stated value due to measurement issues; e.g. if the comparator is "<" , then the real value is < stated value.

          Short< | <= | >= | > - how to understand the value
          Control0..01
          BindingThe codes SHALL be taken from QuantityComparatorhttp://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1
          (required to http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1)

          How the Quantity should be understood and represented.

          Typecode
          Is Modifiertrue because This is labeled as "Is Modifier" because the comparator modifies the interpretation of the value significantly. If there is no comparator, then there is no modification of the value
          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
          Summarytrue
          Requirements

          Need a framework for handling measures where the value is <5ug/L or >400mg/L due to the limitations of measuring methodology.

          Meaning if MissingIf there is no comparator, then there is no modification of the value
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          60. Extension.extension:xRayTubeCurrent.value[x].unit
          Definition

          A human-readable form of the unit.

          ShortUnit representation
          Control0..1
          Typestring
          Is Modifierfalse
          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
          Summarytrue
          Requirements

          There are many representations for units of measure and in many contexts, particular representations are fixed and required. I.e. mcg for micrograms.

          Pattern Valuemilliampere
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          62. Extension.extension:xRayTubeCurrent.value[x].system
          Definition

          The identification of the system that provides the coded form of the unit.

          ShortSystem that defines coded unit form
          Control0..1
          This element is affected by the following invariants: qty-3
          Typeuri
          Is Modifierfalse
          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
          Summarytrue
          Requirements

          Need to know the system that defines the coded form of the unit.

          Pattern Valuehttp://unitsofmeasure.org
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          64. Extension.extension:xRayTubeCurrent.value[x].code
          Definition

          A computer processable form of the unit in some unit representation system.

          ShortCoded form of the unit
          Comments

          The preferred system is UCUM, but SNOMED CT can also be used (for customary units) or ISO 4217 for currency. The context of use may additionally require a code from a particular system.

          Control0..1
          Typecode
          Is Modifierfalse
          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
          Summarytrue
          Requirements

          Need a computable form of the unit that is fixed across all forms. UCUM provides this for quantities, but SNOMED CT provides many units of interest.

          Pattern ValuemA
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          66. Extension.extension:viewPosition
          Slice NameviewPosition
          Definition

          An Extension

          ShortExtensionAdditional content defined by implementations
          Control0..1*
          TypeExtension
          Is Modifierfalse
          Summaryfalse
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
          68. Extension.extension:viewPosition.extension
          Definition

          An Extension


          May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

          ShortExtensionAdditional content defined by implementations
          Comments

          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

          Control0..0*
          TypeExtension
          Is Modifierfalse
          Summaryfalse
          Alternate Namesextensions, user content
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
          SlicingThis element introduces a set of slices on Extension.extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
          • value @ url
          • 70. Extension.extension:viewPosition.url
            Definition

            Source of the definition for the extension code - a logical name or a URL.

            Shortidentifies the meaning of the extension
            Comments

            The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.

            Control1..1
            Typeuri
            Is Modifierfalse
            XML FormatIn the XML format, this property is represented as an attribute.
            Summaryfalse
            Fixed ValueviewPosition
            72. Extension.extension:viewPosition.value[x]
            Definition

            Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

            ShortValue of extension
            Control0..1
            BindingThe codes SHOULD be taken from For codes, see MII VS Bildgebung ImagingStudy-Series View Position
            (preferred to https://www.medizininformatik-initiative.de/fhir/ext/modul-bildgebung/ValueSet/mii-vs-bildgebung-imagingStudy-series-view-position)
            TypeCodeableConcept, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, id, positiveInt, Distance, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, ParameterDefinition, dateTime, code, string, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, Reference, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time
            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
            Is Modifierfalse
            Summaryfalse
            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
            74. Extension.url
            Definition

            Source of the definition for the extension code - a logical name or a URL.

            Shortidentifies the meaning of the extension
            Comments

            The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.

            Control1..1
            Typeuri
            Is Modifierfalse
            XML FormatIn the XML format, this property is represented as an attribute.
            Summaryfalse
            Fixed Valuehttps://www.medizininformatik-initiative.de/fhir/ext/modul-bildgebung/StructureDefinition/mii-ex-bildgebung-modalitaet-mg-cr-dx
            76. Extension.value[x]
            Definition

            Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

            ShortValue of extension
            Control0..01
            TypeChoice of: base64Binary, boolean, canonical, code, date, dateTime, decimal, id, instant, integer, markdown, oid, positiveInt, string, time, unsignedInt, uri, url, uuid, Address, Age, Annotation, Attachment, CodeableConcept, Coding, ContactPoint, Count, Distance, Duration, HumanName, Identifier, Money, Period, Quantity, Range, Ratio, Reference, SampledData, Signature, Timing, ContactDetail, Contributor, DataRequirement, Expression, ParameterDefinition, RelatedArtifact, TriggerDefinition, UsageContext, Dosage, Meta
            Is Modifierfalse
            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
            Summaryfalse
            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))

            Guidance on how to interpret the contents of this table can be foundhere

            0. Extension
            Definition

            Die Extension ermöglicht es die Ressourcen und Machbarkeitsanalysen auf MG, CR & DX Daten zu erweitern.

            ShortMII EX Bildgebung Modalität MG/CR/DX
            2. Extension.extension:KVP
            Slice NameKVP
            Control0..1
            4. Extension.extension:KVP.extension
            Control0..0
            6. Extension.extension:KVP.url
            Fixed ValueKVP
            8. Extension.extension:KVP.value[x]
            TypeQuantity(SimpleQuantity)
            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
            10. Extension.extension:KVP.value[x].unit
            Pattern Valuekilovolt
            12. Extension.extension:KVP.value[x].system
            Pattern Valuehttp://unitsofmeasure.org
            14. Extension.extension:KVP.value[x].code
            Pattern ValuekV
            16. Extension.extension:exposureTime
            Slice NameexposureTime
            Control0..1
            18. Extension.extension:exposureTime.extension
            Control0..0
            20. Extension.extension:exposureTime.url
            Fixed ValueexposureTime
            22. Extension.extension:exposureTime.value[x]
            TypeQuantity(SimpleQuantity)
            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
            24. Extension.extension:exposureTime.value[x].unit
            Pattern Valuemilliseconds
            26. Extension.extension:exposureTime.value[x].system
            Pattern Valuehttp://unitsofmeasure.org
            28. Extension.extension:exposureTime.value[x].code
            Pattern Valuems
            30. Extension.extension:exposure
            Slice Nameexposure
            Control0..1
            32. Extension.extension:exposure.extension
            Control0..0
            34. Extension.extension:exposure.url
            Fixed Valueexposure
            36. Extension.extension:exposure.value[x]
            TypeQuantity(SimpleQuantity)
            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
            38. Extension.extension:exposure.value[x].unit
            Pattern Valuemilliampere second
            40. Extension.extension:exposure.value[x].system
            Pattern Valuehttp://unitsofmeasure.org
            42. Extension.extension:exposure.value[x].code
            Pattern ValuemA.s
            44. Extension.extension:xRayTubeCurrent
            Slice NamexRayTubeCurrent
            Control0..1
            46. Extension.extension:xRayTubeCurrent.extension
            Control0..0
            48. Extension.extension:xRayTubeCurrent.url
            Fixed ValuexRayTubeCurrent
            50. Extension.extension:xRayTubeCurrent.value[x]
            TypeQuantity(SimpleQuantity)
            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
            52. Extension.extension:xRayTubeCurrent.value[x].unit
            Pattern Valuemilliampere
            54. Extension.extension:xRayTubeCurrent.value[x].system
            Pattern Valuehttp://unitsofmeasure.org
            56. Extension.extension:xRayTubeCurrent.value[x].code
            Pattern ValuemA
            58. Extension.extension:viewPosition
            Slice NameviewPosition
            Control0..1
            60. Extension.extension:viewPosition.extension
            Control0..0
            62. Extension.extension:viewPosition.url
            Fixed ValueviewPosition
            64. Extension.extension:viewPosition.value[x]
            BindingThe codes SHOULD be taken from MII VS Bildgebung ImagingStudy-Series View Position
            (preferred to https://www.medizininformatik-initiative.de/fhir/ext/modul-bildgebung/ValueSet/mii-vs-bildgebung-imagingStudy-series-view-position)
            TypeCodeableConcept
            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
            66. Extension.url
            Fixed Valuehttps://www.medizininformatik-initiative.de/fhir/ext/modul-bildgebung/StructureDefinition/mii-ex-bildgebung-modalitaet-mg-cr-dx
            68. Extension.value[x]
            Control0..0

            Guidance on how to interpret the contents of this table can be foundhere

            0. Extension
            Definition

            Die Extension ermöglicht es die Ressourcen und Machbarkeitsanalysen auf MG, CR & DX Daten zu erweitern.

            ShortMII EX Bildgebung Modalität MG/CR/DX
            Control0..*
            This element is affected by the following invariants: ele-1
            Is Modifierfalse
            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
            2. Extension.id
            Definition

            Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

            ShortUnique id for inter-element referencing
            Control0..1
            Typestring
            Is Modifierfalse
            XML FormatIn the XML format, this property is represented as an attribute.
            Summaryfalse
            4. Extension.extension
            Definition

            May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

            ShortAdditional content defined by implementations
            Comments

            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

            Control0..*
            TypeExtension
            Is Modifierfalse
            Summaryfalse
            Alternate Namesextensions, user content
            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
            SlicingThis element introduces a set of slices on Extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
            • value @ url
            • 6. Extension.extension:KVP
              Slice NameKVP
              Definition

              An Extension

              ShortExtension
              Control0..1
              TypeExtension
              Is Modifierfalse
              Summaryfalse
              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
              8. Extension.extension:KVP.id
              Definition

              Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

              ShortUnique id for inter-element referencing
              Control0..1
              Typestring
              Is Modifierfalse
              XML FormatIn the XML format, this property is represented as an attribute.
              Summaryfalse
              10. Extension.extension:KVP.extension
              Definition

              An Extension

              ShortExtension
              Control0..0
              TypeExtension
              Is Modifierfalse
              Summaryfalse
              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
              SlicingThis element introduces a set of slices on Extension.extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
              • value @ url
              • 12. Extension.extension:KVP.url
                Definition

                Source of the definition for the extension code - a logical name or a URL.

                Shortidentifies the meaning of the extension
                Comments

                The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.

                Control1..1
                Typeuri
                Is Modifierfalse
                XML FormatIn the XML format, this property is represented as an attribute.
                Summaryfalse
                Fixed ValueKVP
                14. Extension.extension:KVP.value[x]
                Definition

                Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

                ShortValue of extension
                Control0..1
                TypeQuantity(SimpleQuantity)
                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                Is Modifierfalse
                Summaryfalse
                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                16. Extension.extension:KVP.value[x].id
                Definition

                Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                ShortUnique id for inter-element referencing
                Control0..1
                Typestring
                Is Modifierfalse
                XML FormatIn the XML format, this property is represented as an attribute.
                Summaryfalse
                18. Extension.extension:KVP.value[x].extension
                Definition

                May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                ShortAdditional content defined by implementations
                Comments

                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                Control0..*
                TypeExtension
                Is Modifierfalse
                Summaryfalse
                Alternate Namesextensions, user content
                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                SlicingThis element introduces a set of slices on Extension.extension.value[x].extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                • value @ url
                • 20. Extension.extension:KVP.value[x].value
                  Definition

                  The value of the measured amount. The value includes an implicit precision in the presentation of the value.

                  ShortNumerical value (with implicit precision)
                  Comments

                  The implicit precision in the value should always be honored. Monetary values have their own rules for handling precision (refer to standard accounting text books).

                  Control0..1
                  Typedecimal
                  Is Modifierfalse
                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                  Summarytrue
                  Requirements

                  Precision is handled implicitly in almost all cases of measurement.

                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                  22. Extension.extension:KVP.value[x].comparator
                  Definition

                  Not allowed to be used in this context

                  Short< | <= | >= | > - how to understand the value
                  Control0..0
                  BindingThe codes SHALL be taken from QuantityComparator
                  (required to http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1)

                  How the Quantity should be understood and represented.

                  Typecode
                  Is Modifiertrue because This is labeled as "Is Modifier" because the comparator modifies the interpretation of the value significantly. If there is no comparator, then there is no modification of the value
                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                  Summarytrue
                  Requirements

                  Need a framework for handling measures where the value is <5ug/L or >400mg/L due to the limitations of measuring methodology.

                  Meaning if MissingIf there is no comparator, then there is no modification of the value
                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                  24. Extension.extension:KVP.value[x].unit
                  Definition

                  A human-readable form of the unit.

                  ShortUnit representation
                  Control0..1
                  Typestring
                  Is Modifierfalse
                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                  Summarytrue
                  Requirements

                  There are many representations for units of measure and in many contexts, particular representations are fixed and required. I.e. mcg for micrograms.

                  Pattern Valuekilovolt
                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                  26. Extension.extension:KVP.value[x].system
                  Definition

                  The identification of the system that provides the coded form of the unit.

                  ShortSystem that defines coded unit form
                  Control0..1
                  This element is affected by the following invariants: qty-3
                  Typeuri
                  Is Modifierfalse
                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                  Summarytrue
                  Requirements

                  Need to know the system that defines the coded form of the unit.

                  Pattern Valuehttp://unitsofmeasure.org
                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                  28. Extension.extension:KVP.value[x].code
                  Definition

                  A computer processable form of the unit in some unit representation system.

                  ShortCoded form of the unit
                  Comments

                  The preferred system is UCUM, but SNOMED CT can also be used (for customary units) or ISO 4217 for currency. The context of use may additionally require a code from a particular system.

                  Control0..1
                  Typecode
                  Is Modifierfalse
                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                  Summarytrue
                  Requirements

                  Need a computable form of the unit that is fixed across all forms. UCUM provides this for quantities, but SNOMED CT provides many units of interest.

                  Pattern ValuekV
                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                  30. Extension.extension:exposureTime
                  Slice NameexposureTime
                  Definition

                  An Extension

                  ShortExtension
                  Control0..1
                  TypeExtension
                  Is Modifierfalse
                  Summaryfalse
                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                  32. Extension.extension:exposureTime.id
                  Definition

                  Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                  ShortUnique id for inter-element referencing
                  Control0..1
                  Typestring
                  Is Modifierfalse
                  XML FormatIn the XML format, this property is represented as an attribute.
                  Summaryfalse
                  34. Extension.extension:exposureTime.extension
                  Definition

                  An Extension

                  ShortExtension
                  Control0..0
                  TypeExtension
                  Is Modifierfalse
                  Summaryfalse
                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                  SlicingThis element introduces a set of slices on Extension.extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                  • value @ url
                  • 36. Extension.extension:exposureTime.url
                    Definition

                    Source of the definition for the extension code - a logical name or a URL.

                    Shortidentifies the meaning of the extension
                    Comments

                    The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.

                    Control1..1
                    Typeuri
                    Is Modifierfalse
                    XML FormatIn the XML format, this property is represented as an attribute.
                    Summaryfalse
                    Fixed ValueexposureTime
                    38. Extension.extension:exposureTime.value[x]
                    Definition

                    Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

                    ShortValue of extension
                    Control0..1
                    TypeQuantity(SimpleQuantity)
                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                    Is Modifierfalse
                    Summaryfalse
                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                    40. Extension.extension:exposureTime.value[x].id
                    Definition

                    Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                    ShortUnique id for inter-element referencing
                    Control0..1
                    Typestring
                    Is Modifierfalse
                    XML FormatIn the XML format, this property is represented as an attribute.
                    Summaryfalse
                    42. Extension.extension:exposureTime.value[x].extension
                    Definition

                    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                    ShortAdditional content defined by implementations
                    Comments

                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                    Control0..*
                    TypeExtension
                    Is Modifierfalse
                    Summaryfalse
                    Alternate Namesextensions, user content
                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                    SlicingThis element introduces a set of slices on Extension.extension.value[x].extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                    • value @ url
                    • 44. Extension.extension:exposureTime.value[x].value
                      Definition

                      The value of the measured amount. The value includes an implicit precision in the presentation of the value.

                      ShortNumerical value (with implicit precision)
                      Comments

                      The implicit precision in the value should always be honored. Monetary values have their own rules for handling precision (refer to standard accounting text books).

                      Control0..1
                      Typedecimal
                      Is Modifierfalse
                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                      Summarytrue
                      Requirements

                      Precision is handled implicitly in almost all cases of measurement.

                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      46. Extension.extension:exposureTime.value[x].comparator
                      Definition

                      Not allowed to be used in this context

                      Short< | <= | >= | > - how to understand the value
                      Control0..0
                      BindingThe codes SHALL be taken from QuantityComparator
                      (required to http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1)

                      How the Quantity should be understood and represented.

                      Typecode
                      Is Modifiertrue because This is labeled as "Is Modifier" because the comparator modifies the interpretation of the value significantly. If there is no comparator, then there is no modification of the value
                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                      Summarytrue
                      Requirements

                      Need a framework for handling measures where the value is <5ug/L or >400mg/L due to the limitations of measuring methodology.

                      Meaning if MissingIf there is no comparator, then there is no modification of the value
                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      48. Extension.extension:exposureTime.value[x].unit
                      Definition

                      A human-readable form of the unit.

                      ShortUnit representation
                      Control0..1
                      Typestring
                      Is Modifierfalse
                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                      Summarytrue
                      Requirements

                      There are many representations for units of measure and in many contexts, particular representations are fixed and required. I.e. mcg for micrograms.

                      Pattern Valuemilliseconds
                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      50. Extension.extension:exposureTime.value[x].system
                      Definition

                      The identification of the system that provides the coded form of the unit.

                      ShortSystem that defines coded unit form
                      Control0..1
                      This element is affected by the following invariants: qty-3
                      Typeuri
                      Is Modifierfalse
                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                      Summarytrue
                      Requirements

                      Need to know the system that defines the coded form of the unit.

                      Pattern Valuehttp://unitsofmeasure.org
                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      52. Extension.extension:exposureTime.value[x].code
                      Definition

                      A computer processable form of the unit in some unit representation system.

                      ShortCoded form of the unit
                      Comments

                      The preferred system is UCUM, but SNOMED CT can also be used (for customary units) or ISO 4217 for currency. The context of use may additionally require a code from a particular system.

                      Control0..1
                      Typecode
                      Is Modifierfalse
                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                      Summarytrue
                      Requirements

                      Need a computable form of the unit that is fixed across all forms. UCUM provides this for quantities, but SNOMED CT provides many units of interest.

                      Pattern Valuems
                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      54. Extension.extension:exposure
                      Slice Nameexposure
                      Definition

                      An Extension

                      ShortExtension
                      Control0..1
                      TypeExtension
                      Is Modifierfalse
                      Summaryfalse
                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                      56. Extension.extension:exposure.id
                      Definition

                      Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                      ShortUnique id for inter-element referencing
                      Control0..1
                      Typestring
                      Is Modifierfalse
                      XML FormatIn the XML format, this property is represented as an attribute.
                      Summaryfalse
                      58. Extension.extension:exposure.extension
                      Definition

                      An Extension

                      ShortExtension
                      Control0..0
                      TypeExtension
                      Is Modifierfalse
                      Summaryfalse
                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                      SlicingThis element introduces a set of slices on Extension.extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                      • value @ url
                      • 60. Extension.extension:exposure.url
                        Definition

                        Source of the definition for the extension code - a logical name or a URL.

                        Shortidentifies the meaning of the extension
                        Comments

                        The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.

                        Control1..1
                        Typeuri
                        Is Modifierfalse
                        XML FormatIn the XML format, this property is represented as an attribute.
                        Summaryfalse
                        Fixed Valueexposure
                        62. Extension.extension:exposure.value[x]
                        Definition

                        Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

                        ShortValue of extension
                        Control0..1
                        TypeQuantity(SimpleQuantity)
                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                        Is Modifierfalse
                        Summaryfalse
                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                        64. Extension.extension:exposure.value[x].id
                        Definition

                        Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                        ShortUnique id for inter-element referencing
                        Control0..1
                        Typestring
                        Is Modifierfalse
                        XML FormatIn the XML format, this property is represented as an attribute.
                        Summaryfalse
                        66. Extension.extension:exposure.value[x].extension
                        Definition

                        May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                        ShortAdditional content defined by implementations
                        Comments

                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                        Control0..*
                        TypeExtension
                        Is Modifierfalse
                        Summaryfalse
                        Alternate Namesextensions, user content
                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                        SlicingThis element introduces a set of slices on Extension.extension.value[x].extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                        • value @ url
                        • 68. Extension.extension:exposure.value[x].value
                          Definition

                          The value of the measured amount. The value includes an implicit precision in the presentation of the value.

                          ShortNumerical value (with implicit precision)
                          Comments

                          The implicit precision in the value should always be honored. Monetary values have their own rules for handling precision (refer to standard accounting text books).

                          Control0..1
                          Typedecimal
                          Is Modifierfalse
                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                          Summarytrue
                          Requirements

                          Precision is handled implicitly in almost all cases of measurement.

                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                          70. Extension.extension:exposure.value[x].comparator
                          Definition

                          Not allowed to be used in this context

                          Short< | <= | >= | > - how to understand the value
                          Control0..0
                          BindingThe codes SHALL be taken from QuantityComparator
                          (required to http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1)

                          How the Quantity should be understood and represented.

                          Typecode
                          Is Modifiertrue because This is labeled as "Is Modifier" because the comparator modifies the interpretation of the value significantly. If there is no comparator, then there is no modification of the value
                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                          Summarytrue
                          Requirements

                          Need a framework for handling measures where the value is <5ug/L or >400mg/L due to the limitations of measuring methodology.

                          Meaning if MissingIf there is no comparator, then there is no modification of the value
                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                          72. Extension.extension:exposure.value[x].unit
                          Definition

                          A human-readable form of the unit.

                          ShortUnit representation
                          Control0..1
                          Typestring
                          Is Modifierfalse
                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                          Summarytrue
                          Requirements

                          There are many representations for units of measure and in many contexts, particular representations are fixed and required. I.e. mcg for micrograms.

                          Pattern Valuemilliampere second
                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                          74. Extension.extension:exposure.value[x].system
                          Definition

                          The identification of the system that provides the coded form of the unit.

                          ShortSystem that defines coded unit form
                          Control0..1
                          This element is affected by the following invariants: qty-3
                          Typeuri
                          Is Modifierfalse
                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                          Summarytrue
                          Requirements

                          Need to know the system that defines the coded form of the unit.

                          Pattern Valuehttp://unitsofmeasure.org
                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                          76. Extension.extension:exposure.value[x].code
                          Definition

                          A computer processable form of the unit in some unit representation system.

                          ShortCoded form of the unit
                          Comments

                          The preferred system is UCUM, but SNOMED CT can also be used (for customary units) or ISO 4217 for currency. The context of use may additionally require a code from a particular system.

                          Control0..1
                          Typecode
                          Is Modifierfalse
                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                          Summarytrue
                          Requirements

                          Need a computable form of the unit that is fixed across all forms. UCUM provides this for quantities, but SNOMED CT provides many units of interest.

                          Pattern ValuemA.s
                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                          78. Extension.extension:xRayTubeCurrent
                          Slice NamexRayTubeCurrent
                          Definition

                          An Extension

                          ShortExtension
                          Control0..1
                          TypeExtension
                          Is Modifierfalse
                          Summaryfalse
                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                          80. Extension.extension:xRayTubeCurrent.id
                          Definition

                          Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                          ShortUnique id for inter-element referencing
                          Control0..1
                          Typestring
                          Is Modifierfalse
                          XML FormatIn the XML format, this property is represented as an attribute.
                          Summaryfalse
                          82. Extension.extension:xRayTubeCurrent.extension
                          Definition

                          An Extension

                          ShortExtension
                          Control0..0
                          TypeExtension
                          Is Modifierfalse
                          Summaryfalse
                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                          SlicingThis element introduces a set of slices on Extension.extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                          • value @ url
                          • 84. Extension.extension:xRayTubeCurrent.url
                            Definition

                            Source of the definition for the extension code - a logical name or a URL.

                            Shortidentifies the meaning of the extension
                            Comments

                            The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.

                            Control1..1
                            Typeuri
                            Is Modifierfalse
                            XML FormatIn the XML format, this property is represented as an attribute.
                            Summaryfalse
                            Fixed ValuexRayTubeCurrent
                            86. Extension.extension:xRayTubeCurrent.value[x]
                            Definition

                            Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

                            ShortValue of extension
                            Control0..1
                            TypeQuantity(SimpleQuantity)
                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                            Is Modifierfalse
                            Summaryfalse
                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                            88. Extension.extension:xRayTubeCurrent.value[x].id
                            Definition

                            Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                            ShortUnique id for inter-element referencing
                            Control0..1
                            Typestring
                            Is Modifierfalse
                            XML FormatIn the XML format, this property is represented as an attribute.
                            Summaryfalse
                            90. Extension.extension:xRayTubeCurrent.value[x].extension
                            Definition

                            May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                            ShortAdditional content defined by implementations
                            Comments

                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                            Control0..*
                            TypeExtension
                            Is Modifierfalse
                            Summaryfalse
                            Alternate Namesextensions, user content
                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                            SlicingThis element introduces a set of slices on Extension.extension.value[x].extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                            • value @ url
                            • 92. Extension.extension:xRayTubeCurrent.value[x].value
                              Definition

                              The value of the measured amount. The value includes an implicit precision in the presentation of the value.

                              ShortNumerical value (with implicit precision)
                              Comments

                              The implicit precision in the value should always be honored. Monetary values have their own rules for handling precision (refer to standard accounting text books).

                              Control0..1
                              Typedecimal
                              Is Modifierfalse
                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                              Summarytrue
                              Requirements

                              Precision is handled implicitly in almost all cases of measurement.

                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                              94. Extension.extension:xRayTubeCurrent.value[x].comparator
                              Definition

                              Not allowed to be used in this context

                              Short< | <= | >= | > - how to understand the value
                              Control0..0
                              BindingThe codes SHALL be taken from QuantityComparator
                              (required to http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1)

                              How the Quantity should be understood and represented.

                              Typecode
                              Is Modifiertrue because This is labeled as "Is Modifier" because the comparator modifies the interpretation of the value significantly. If there is no comparator, then there is no modification of the value
                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                              Summarytrue
                              Requirements

                              Need a framework for handling measures where the value is <5ug/L or >400mg/L due to the limitations of measuring methodology.

                              Meaning if MissingIf there is no comparator, then there is no modification of the value
                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                              96. Extension.extension:xRayTubeCurrent.value[x].unit
                              Definition

                              A human-readable form of the unit.

                              ShortUnit representation
                              Control0..1
                              Typestring
                              Is Modifierfalse
                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                              Summarytrue
                              Requirements

                              There are many representations for units of measure and in many contexts, particular representations are fixed and required. I.e. mcg for micrograms.

                              Pattern Valuemilliampere
                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                              98. Extension.extension:xRayTubeCurrent.value[x].system
                              Definition

                              The identification of the system that provides the coded form of the unit.

                              ShortSystem that defines coded unit form
                              Control0..1
                              This element is affected by the following invariants: qty-3
                              Typeuri
                              Is Modifierfalse
                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                              Summarytrue
                              Requirements

                              Need to know the system that defines the coded form of the unit.

                              Pattern Valuehttp://unitsofmeasure.org
                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                              100. Extension.extension:xRayTubeCurrent.value[x].code
                              Definition

                              A computer processable form of the unit in some unit representation system.

                              ShortCoded form of the unit
                              Comments

                              The preferred system is UCUM, but SNOMED CT can also be used (for customary units) or ISO 4217 for currency. The context of use may additionally require a code from a particular system.

                              Control0..1
                              Typecode
                              Is Modifierfalse
                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                              Summarytrue
                              Requirements

                              Need a computable form of the unit that is fixed across all forms. UCUM provides this for quantities, but SNOMED CT provides many units of interest.

                              Pattern ValuemA
                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                              102. Extension.extension:viewPosition
                              Slice NameviewPosition
                              Definition

                              An Extension

                              ShortExtension
                              Control0..1
                              TypeExtension
                              Is Modifierfalse
                              Summaryfalse
                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                              104. Extension.extension:viewPosition.id
                              Definition

                              Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                              ShortUnique id for inter-element referencing
                              Control0..1
                              Typestring
                              Is Modifierfalse
                              XML FormatIn the XML format, this property is represented as an attribute.
                              Summaryfalse
                              106. Extension.extension:viewPosition.extension
                              Definition

                              An Extension

                              ShortExtension
                              Control0..0
                              TypeExtension
                              Is Modifierfalse
                              Summaryfalse
                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                              SlicingThis element introduces a set of slices on Extension.extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                              • value @ url
                              • 108. Extension.extension:viewPosition.url
                                Definition

                                Source of the definition for the extension code - a logical name or a URL.

                                Shortidentifies the meaning of the extension
                                Comments

                                The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.

                                Control1..1
                                Typeuri
                                Is Modifierfalse
                                XML FormatIn the XML format, this property is represented as an attribute.
                                Summaryfalse
                                Fixed ValueviewPosition
                                110. Extension.extension:viewPosition.value[x]
                                Definition

                                Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

                                ShortValue of extension
                                Control0..1
                                BindingThe codes SHOULD be taken from MII VS Bildgebung ImagingStudy-Series View Position
                                (preferred to https://www.medizininformatik-initiative.de/fhir/ext/modul-bildgebung/ValueSet/mii-vs-bildgebung-imagingStudy-series-view-position)
                                TypeCodeableConcept
                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                Is Modifierfalse
                                Summaryfalse
                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                112. Extension.url
                                Definition

                                Source of the definition for the extension code - a logical name or a URL.

                                Shortidentifies the meaning of the extension
                                Comments

                                The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.

                                Control1..1
                                Typeuri
                                Is Modifierfalse
                                XML FormatIn the XML format, this property is represented as an attribute.
                                Summaryfalse
                                Fixed Valuehttps://www.medizininformatik-initiative.de/fhir/ext/modul-bildgebung/StructureDefinition/mii-ex-bildgebung-modalitaet-mg-cr-dx
                                114. Extension.value[x]
                                Definition

                                Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

                                ShortValue of extension
                                Control0..0
                                TypeChoice of: base64Binary, boolean, canonical, code, date, dateTime, decimal, id, instant, integer, markdown, oid, positiveInt, string, time, unsignedInt, uri, url, uuid, Address, Age, Annotation, Attachment, CodeableConcept, Coding, ContactPoint, Count, Distance, Duration, HumanName, Identifier, Money, Period, Quantity, Range, Ratio, Reference, SampledData, Signature, Timing, ContactDetail, Contributor, DataRequirement, Expression, ParameterDefinition, RelatedArtifact, TriggerDefinition, UsageContext, Dosage, Meta
                                Is Modifierfalse
                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                Summaryfalse
                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))