description: null package_name: telus.dw.emr.extract-1-1-21 derivation: constraint name: PerformedActivity type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/5.0/StructureDefinition/extension-CarePlan.activity.performedActivity'} index: 1 value: choices: [valueCodeableConcept, valueReference] index: 3 valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 4} valueReference: {type: Reference, choiceOf: value, index: 5} package_version: 1.1.21 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/5.0/StructureDefinition/extension-CarePlan.activity.performedActivity base: http://hl7.org/fhir/StructureDefinition/Extension version: 2.0.0