description: Backport of CodeableReference from R5 package_name: fhir.r4.nhsengland.programme derivation: constraint name: EnglandCodeableReference type: Reference elements: extension: type: Extension isModifier: false url: https://fhir.nhs.uk/England/StructureDefinition/England-Extension-ExtCodeableReference index: 0 slicing: slices: englandExtensionExtCodeableReference: match: {} schema: {type: Extension, isModifier: false, url: 'https://fhir.nhs.uk/England/StructureDefinition/England-Extension-ExtCodeableReference', index: 0} package_version: 0.2.2-pre-release extensions: englandExtensionExtCodeableReference: {url: 'https://fhir.nhs.uk/England/StructureDefinition/England-Extension-ExtCodeableReference', type: Extension, isModifier: false, index: 0} class: complex-type kind: complex-type url: https://fhir.nhs.uk/England/StructureDefinition/England-CodeableReference base: http://hl7.org/fhir/StructureDefinition/Reference version: 0.0.1-current