Implementation Guide Pseudonymization Interface for the MII - Local Development build (v2026.1.0-ballot.1) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

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• TTL

: de-pseudonymize - TTL Representation

Active as of 2026-06-29

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@prefix fhir: <http://hl7.org/fhir/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

# - resource -------------------------------------------------------------------

<http://hl7.org/fhir/OperationDefinition/DePseudonymize> a fhir:OperationDefinition ;
  fhir:nodeRole fhir:treeRoot ;
  fhir:Resource.id [ fhir:value "DePseudonymize"] ;
  fhir:DomainResource.text [
     fhir:Narrative.status [ fhir:value "generated" ] ;
     fhir:Narrative.div "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: OperationDefinition DePseudonymize</b></p><a name=\"DePseudonymize\"> </a><a name=\"hcDePseudonymize\"> </a><p>URL: [base]/$de-pseudonymize</p><h3>Parameters</h3><table class=\"grid\"><tr><td><b>Use</b></td><td><b>Name</b></td><td><b>Scope</b></td><td><b>Cardinality</b></td><td><b>Type</b></td><td><b>Binding</b></td><td><b>Documentation</b></td></tr><tr><td>IN</td><td>context</td><td/><td>1..1</td><td><a href=\"http://hl7.org/fhir/R4/datatypes.html#Identifier\">Identifier</a></td><td/><td><div><p>Specification of the pseudonymisation context on the basis of which a personal pseudonym is searched for the specified original identifiers</p>\n</div></td></tr><tr><td>IN</td><td>pseudonym</td><td/><td>1..1</td><td><a href=\"http://hl7.org/fhir/R4/datatypes.html#Identifier\">Identifier</a></td><td/><td><div><p>Specification of a pseudonym for which unique original values assigned in the specified pseudonymisation context are searched for</p>\n</div></td></tr><tr><td>OUT</td><td>original</td><td/><td>1..*</td><td/><td/><td/></tr><tr><td>OUT</td><td>original.context</td><td/><td>0..1</td><td><a href=\"http://hl7.org/fhir/R4/datatypes.html#Identifier\">Identifier</a></td><td/><td><div><p>Pseudonymisation context (identical with request)</p>\n</div></td></tr><tr><td>OUT</td><td>original.value</td><td/><td>1..1</td><td><a href=\"http://hl7.org/fhir/R4/datatypes.html#Identifier\">Identifier</a></td><td/><td><div><p>Original-Identifier</p>\n</div></td></tr><tr><td>OUT</td><td>original.pseudonym</td><td/><td>0..1</td><td><a href=\"http://hl7.org/fhir/R4/datatypes.html#Identifier\">Identifier</a></td><td/><td><div><p>Personal pseudonym  (identical with request)</p>\n</div></td></tr></table></div>"
  ] ;
  fhir:OperationDefinition.url [ fhir:value "https://www.medizininformatik-initiative.de/fhir/ext/mii-interface-module-pseudonymization/OperationDefinition/DePseudonymize"] ;
  fhir:OperationDefinition.version [ fhir:value "2026.1.0-ballot.1"] ;
  fhir:OperationDefinition.name [ fhir:value "De-Pseudonymize"] ;
  fhir:OperationDefinition.title [ fhir:value "de-pseudonymize"] ;
  fhir:OperationDefinition.status [ fhir:value "active"] ;
  fhir:OperationDefinition.kind [ fhir:value "operation"] ;
  fhir:OperationDefinition.experimental [ fhir:value "false"^^xsd:boolean] ;
  fhir:OperationDefinition.date [ fhir:value "2026-06-29T20:31:28+00:00"^^xsd:dateTime] ;
  fhir:OperationDefinition.publisher [ fhir:value "Medizininformatik Initiative"] ;
  fhir:OperationDefinition.contact [
     fhir:index 0 ;
     fhir:ContactDetail.name [ fhir:value "Medizininformatik Initiative" ] ;
     fhir:ContactDetail.telecom [
       fhir:index 0 ;
       fhir:ContactPoint.system [ fhir:value "url" ] ;
       fhir:ContactPoint.value [ fhir:value "https://www.medizininformatik-iniitative.de" ]
     ]
  ] ;
  fhir:OperationDefinition.description [ fhir:value "Returns the original value for a given pseudonym. The algorithm to be used is left to the implementers of the operation. Errors during the execution of the operation must be returned as OperationOutcome."] ;
  fhir:OperationDefinition.affectsState [ fhir:value "true"^^xsd:boolean] ;
  fhir:OperationDefinition.code [ fhir:value "de-pseudonymize"] ;
  fhir:OperationDefinition.system [ fhir:value "true"^^xsd:boolean] ;
  fhir:OperationDefinition.type [ fhir:value "false"^^xsd:boolean] ;
  fhir:OperationDefinition.instance [ fhir:value "false"^^xsd:boolean] ;
  fhir:OperationDefinition.parameter [
     fhir:index 0 ;
     fhir:OperationDefinition.parameter.name [ fhir:value "context" ] ;
     fhir:OperationDefinition.parameter.use [ fhir:value "in" ] ;
     fhir:OperationDefinition.parameter.min [ fhir:value "1"^^xsd:integer ] ;
     fhir:OperationDefinition.parameter.max [ fhir:value "1" ] ;
     fhir:OperationDefinition.parameter.documentation [ fhir:value "Specification of the pseudonymisation context on the basis of which a personal pseudonym is searched for the specified original identifiers" ] ;
     fhir:OperationDefinition.parameter.type [ fhir:value "Identifier" ]
  ], [
     fhir:index 1 ;
     fhir:OperationDefinition.parameter.name [ fhir:value "pseudonym" ] ;
     fhir:OperationDefinition.parameter.use [ fhir:value "in" ] ;
     fhir:OperationDefinition.parameter.min [ fhir:value "1"^^xsd:integer ] ;
     fhir:OperationDefinition.parameter.max [ fhir:value "1" ] ;
     fhir:OperationDefinition.parameter.documentation [ fhir:value "Specification of a pseudonym for which unique original values assigned in the specified pseudonymisation context are searched for" ] ;
     fhir:OperationDefinition.parameter.type [ fhir:value "Identifier" ]
  ], [
     fhir:index 2 ;
     fhir:OperationDefinition.parameter.name [ fhir:value "original" ] ;
     fhir:OperationDefinition.parameter.use [ fhir:value "out" ] ;
     fhir:OperationDefinition.parameter.min [ fhir:value "1"^^xsd:integer ] ;
     fhir:OperationDefinition.parameter.max [ fhir:value "*" ] ;
     fhir:OperationDefinition.parameter.part [
       fhir:index 0 ;
       fhir:OperationDefinition.parameter.name [ fhir:value "context" ] ;
       fhir:OperationDefinition.parameter.use [ fhir:value "out" ] ;
       fhir:OperationDefinition.parameter.min [ fhir:value "0"^^xsd:integer ] ;
       fhir:OperationDefinition.parameter.max [ fhir:value "1" ] ;
       fhir:OperationDefinition.parameter.documentation [ fhir:value "Pseudonymisation context (identical with request)" ] ;
       fhir:OperationDefinition.parameter.type [ fhir:value "Identifier" ]
     ], [
       fhir:index 1 ;
       fhir:OperationDefinition.parameter.name [ fhir:value "value" ] ;
       fhir:OperationDefinition.parameter.use [ fhir:value "out" ] ;
       fhir:OperationDefinition.parameter.min [ fhir:value "1"^^xsd:integer ] ;
       fhir:OperationDefinition.parameter.max [ fhir:value "1" ] ;
       fhir:OperationDefinition.parameter.documentation [ fhir:value "Original-Identifier" ] ;
       fhir:OperationDefinition.parameter.type [ fhir:value "Identifier" ]
     ], [
       fhir:index 2 ;
       fhir:OperationDefinition.parameter.name [ fhir:value "pseudonym" ] ;
       fhir:OperationDefinition.parameter.use [ fhir:value "out" ] ;
       fhir:OperationDefinition.parameter.min [ fhir:value "0"^^xsd:integer ] ;
       fhir:OperationDefinition.parameter.max [ fhir:value "1" ] ;
       fhir:OperationDefinition.parameter.documentation [ fhir:value "Personal pseudonym  (identical with request)" ] ;
       fhir:OperationDefinition.parameter.type [ fhir:value "Identifier" ]
     ]
  ] .

# - ontology header ------------------------------------------------------------

<http://hl7.org/fhir/OperationDefinition/DePseudonymize.ttl> a owl:Ontology ;
  owl:imports fhir:fhir.ttl ;
  owl:versionIRI <http://build.fhir.org/OperationDefinition/DePseudonymize.ttl> .