description: This cross-version extension represents AdverseEvent.suspectEntity.instance from http://hl7.org/fhir/StructureDefinition/AdverseEvent|3.0.2 for use in FHIR R4. package_name: rs/hl7.fhir.uv.xver derivation: constraint name: ext_R3_AdverseEvent_su_instance type: Extension elements: value: base: {path: 'Extension.value[x]'} short: Refers to the specific entity that caused the adverse event choices: [valueReference] index: 1 valueReference: short: Refers to the specific entity that caused the adverse event refers: ['http://hl7.org/fhir/StructureDefinition/Device', 'http://hl7.org/fhir/StructureDefinition/Medication', 'http://hl7.org/fhir/StructureDefinition/MedicationAdministration', 'http://hl7.org/fhir/StructureDefinition/MedicationStatement', 'http://hl7.org/fhir/StructureDefinition/Substance'] type: Reference base: {path: 'Extension.value[x]'} choiceOf: value index: 2 url: pattern: {type: uri, value: 'http://hl7.org/fhir/3.0/StructureDefinition/extension-AdverseEvent.suspectEntity.instance'} type: uri index: 3 package_version: r3.r4-0.0.1-snapshot-1 class: extension kind: complex-type url: http://hl7.org/fhir/3.0/StructureDefinition/extension-AdverseEvent.suspectEntity.instance base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [url]