description: This cross-version extension represents PlanDefinition.action.code from http://hl7.org/fhir/StructureDefinition/PlanDefinition|4.3.0 for use in FHIR R5. package_name: rs/hl7.fhir.uv.xver derivation: constraint name: ext_R4B_PlanDefinition_ac_code type: Extension elements: value: base: {path: 'Extension.value[x]'} short: Code representing the meaning of the action or sub-actions choices: [valueCodeableConcept] index: 1 valueCodeableConcept: base: {path: 'Extension.value[x]'} type: CodeableConcept short: Code representing the meaning of the action or sub-actions choiceOf: value index: 2 url: pattern: {type: uri, value: 'http://hl7.org/fhir/4.3/StructureDefinition/extension-PlanDefinition.action.code'} type: uri index: 3 package_version: r4b.r5-0.0.1-snapshot-1 class: extension kind: complex-type url: http://hl7.org/fhir/4.3/StructureDefinition/extension-PlanDefinition.action.code base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [url]