This page is part of the MII Implementation Guide Medizinisches Forschungsvorhaben (v2027.0.0-ballot: Release) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

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Extension: MII EX Studie Backport definitionReference

R5 backport of the definitionReference element for EvidenceVariable.characteristic in FHIR R4.

Context of Use

This extension may be used on the following element(s)

• Element ID: Element

Usage info

Usages:

• Use this Extension: MII PR Studie EinAuschlussKriterium and Cross-version Profile for R5.EvidenceVariable for use in FHIR R4
• Examples for this Extension: Bundle/mii-studie-test-data-bundle-studie and EvidenceVariable/mii-exa-studie-ein-auschluss-kriterium

You can also check for usages in the FHIR IG Statistics

Formal Views of Extension Content

Description of Profiles, Differentials, Snapshots, and their representations.

• Differential Table
• Snapshot Table
• Statistics/References
• AllAll

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Extension		0..*	Extension	Extension
extension		0..0		Extension
url		1..1	uri	"http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionReference"
value[x]		0..1	Reference(EvidenceVariable | Evidence | Group)	Value of extension
Documentation for this format

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Extension		0..*	Extension	Extension
id		0..1	string	Unique id for inter-element referencing
extension		0..0		Extension Slice: Unordered, Open by value:url
url		1..1	uri	"http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionReference"
value[x]		0..1	Reference(EvidenceVariable | Evidence | Group)	Value of extension
Documentation for this format

Constraints

Id	Grade	Path(s)	Description	Expression
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children	hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both	extension.exists() != value.exists()

Summary

Simple Extension with the type Reference: R5 backport of the definitionReference element for EvidenceVariable.characteristic in FHIR R4.

Differential ViewDifferential View

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Extension		0..*	Extension	Extension
extension		0..0		Extension
url		1..1	uri	"http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionReference"
value[x]		0..1	Reference(EvidenceVariable | Evidence | Group)	Value of extension
Documentation for this format

Snapshot View

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Extension		0..*	Extension	Extension
id		0..1	string	Unique id for inter-element referencing
extension		0..0		Extension Slice: Unordered, Open by value:url
url		1..1	uri	"http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionReference"
value[x]		0..1	Reference(EvidenceVariable | Evidence | Group)	Value of extension
Documentation for this format

Constraints

Id	Grade	Path(s)	Description	Expression
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children	hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both	extension.exists() != value.exists()

Summary

Simple Extension with the type Reference: R5 backport of the definitionReference element for EvidenceVariable.characteristic in FHIR R4.

Other representations of profile: CSV, Excel, Schematron