description: A reference to a concept map that is relevant for the interpretation of this value set. package_name: rs/hl7.fhir.core derivation: constraint name: A concept map relevant to interpret this value set type: Extension elements: extension: index: 0 slicing: slices: extension: match: {} schema: {index: 0} max: 0 url: type: uri pattern: {type: uri, value: 'http://hl7.org/fhir/StructureDefinition/codesystem-map'} index: 1 value: choices: [valueReference] index: 3 valueReference: type: Reference choiceOf: value refers: ['http://hl7.org/fhir/StructureDefinition/ConceptMap'] index: 4 package_version: 1.8.0 extensions: extension: {url: null, max: 0, index: 0} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/codesystem-map base: http://hl7.org/fhir/StructureDefinition/Extension version: null required: [value, valueReference]