description: This cross-version extension represents CodeableReference from http://hl7.org/fhir/StructureDefinition/CodeableReference|4.3.0 for use in FHIR R4. package_name: hl7.fhir.uv.xver derivation: constraint name: Ext_R4B_CodeableReference type: Extension elements: extension: base: {max: '*', min: 0, path: Extension.extension} array: true index: 0 slicing: rules: closed ordered: false discriminator: - {path: url, type: value} min: 0 slices: concept: match: {url: concept} schema: base: {max: '*', min: 0, path: Extension.extension} short: Reference to a concept (by class) index: 1 elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: concept} index: 2 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: Reference to a concept (by class) choices: [valueCodeableConcept] index: 4 valueCodeableConcept: base: {max: '1', min: 0, path: 'Extension.value[x]'} type: CodeableConcept short: Reference to a concept (by class) choiceOf: value index: 5 required: [url] reference: match: {url: reference} schema: base: {max: '*', min: 0, path: Extension.extension} short: Reference to a resource (by instance) index: 6 elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: reference} index: 7 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: Reference to a resource (by instance) choices: [valueReference] index: 9 valueReference: base: {max: '1', min: 0, path: 'Extension.value[x]'} type: Reference short: Reference to a resource (by instance) choiceOf: value index: 10 required: [url] url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: 'http://hl7.org/fhir/4.3/StructureDefinition/extension-CodeableReference'} index: 11 package_version: r4b.r4-0.0.1-snapshot-2 extensions: concept: url: concept base: {max: '*', min: 0, path: Extension.extension} short: Reference to a concept (by class) index: 1 elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: concept} index: 2 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: Reference to a concept (by class) choices: [valueCodeableConcept] index: 4 valueCodeableConcept: base: {max: '1', min: 0, path: 'Extension.value[x]'} type: CodeableConcept short: Reference to a concept (by class) choiceOf: value index: 5 required: [url] reference: url: reference base: {max: '*', min: 0, path: Extension.extension} short: Reference to a resource (by instance) index: 6 elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: reference} index: 7 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: Reference to a resource (by instance) choices: [valueReference] index: 9 valueReference: base: {max: '1', min: 0, path: 'Extension.value[x]'} type: Reference short: Reference to a resource (by instance) choiceOf: value index: 10 required: [url] class: extension kind: complex-type url: http://hl7.org/fhir/4.3/StructureDefinition/extension-CodeableReference base: http://hl7.org/fhir/StructureDefinition/Extension|4.0.1 version: 0.0.1-snapshot-2 required: [url]