description: Concept IRI representing the RDF-equivalent of a Coding, as specified by the IRI stem registered in the NamingSystem that corresponds to the Coding.system. package_name: hl7.fhir.uv.extensions.r4 derivation: constraint name: RDFConceptIri type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/rdf-concept-iri'} index: 1 value: choices: [valueUri] index: 3 valueUri: {type: uri, choiceOf: value, index: 4} package_version: 5.4.0 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/rdf-concept-iri base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.4.0 required: [valueUri, value]