description: This cross-version extension represents ClinicalImpression.action from http://hl7.org/fhir/StructureDefinition/ClinicalImpression|1.0.2 for use in FHIR R4B. package_name: hl7.fhir.uv.xver-r2.r4b derivation: constraint name: ext_R2_ClinicalImpression_action type: Extension elements: value: base: {path: 'Extension.value[x]'} short: Actions taken during assessment choices: [valueReference] index: 1 valueReference: base: {path: 'Extension.value[x]'} type: Reference short: Actions taken during assessment choiceOf: value refers: ['http://hl7.org/fhir/StructureDefinition/Appointment', 'http://hl7.org/fhir/StructureDefinition/DiagnosticOrder', 'http://hl7.org/fhir/StructureDefinition/MedicationOrder', 'http://hl7.org/fhir/StructureDefinition/NutritionOrder', 'http://hl7.org/fhir/StructureDefinition/Procedure', 'http://hl7.org/fhir/StructureDefinition/ProcedureRequest', 'http://hl7.org/fhir/StructureDefinition/ReferralRequest', 'http://hl7.org/fhir/StructureDefinition/SupplyRequest'] index: 2 url: pattern: {type: Uri, value: 'http://hl7.org/fhir/1.0/StructureDefinition/extension-ClinicalImpression.action'} index: 3 package_version: 0.0.1-snapshot-1 class: extension kind: complex-type url: http://hl7.org/fhir/1.0/StructureDefinition/extension-ClinicalImpression.action base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [url]