description: A reference to a concept map that is relevant for the interpretation of this value set. package_name: hl7.fhir.core derivation: constraint name: map type: Extension elements: extension: {index: 0} url: type: uri pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/codesystem-map'} index: 1 valueCanonical: {type: canonical, index: 2} package_version: 3.5.0 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/codesystem-map base: http://hl7.org/fhir/StructureDefinition/Extension version: null