description: This cross-version extension represents ClinicalImpression.investigation from http://hl7.org/fhir/StructureDefinition/ClinicalImpression|4.3.0 for use in FHIR R5. package_name: hl7.fhir.uv.xver-r4b.r5 derivation: constraint name: ext_R4B_ClinicalImpression_investigation type: Extension elements: extension: array: true min: 1 index: 0 slicing: rules: closed ordered: false discriminator: - {path: url, type: value} min: 1 slices: code: match: {url: null} schema: isModifier: false short: A name/code for the set _required: true index: 1 elements: value: base: {path: 'Extension.value[x]'} short: A name/code for the set choices: [valueCodeableConcept] index: 3 valueCodeableConcept: base: {path: 'Extension.value[x]'} type: CodeableConcept short: A name/code for the set choiceOf: value index: 4 item: match: {url: null} schema: isModifier: false short: Record of a specific investigation array: true index: 5 elements: value: base: {path: 'Extension.value[x]'} short: Record of a specific investigation choices: [valueReference] index: 7 valueReference: short: Record of a specific investigation refers: ['http://hl7.org/fhir/StructureDefinition/DiagnosticReport', 'http://hl7.org/fhir/StructureDefinition/FamilyMemberHistory', 'http://hl7.org/fhir/StructureDefinition/ImagingStudy', 'http://hl7.org/fhir/StructureDefinition/Media', 'http://hl7.org/fhir/StructureDefinition/Observation', 'http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse', 'http://hl7.org/fhir/StructureDefinition/RiskAssessment'] type: Reference base: {path: 'Extension.value[x]'} choiceOf: value index: 8 url: pattern: {type: uri, value: 'http://hl7.org/fhir/4.3/StructureDefinition/extension-ClinicalImpression.investigation'} type: uri index: 9 package_version: 0.0.1-snapshot-1 extensions: code: url: null isModifier: false short: A name/code for the set _required: true index: 1 elements: value: base: {path: 'Extension.value[x]'} short: A name/code for the set choices: [valueCodeableConcept] index: 3 valueCodeableConcept: base: {path: 'Extension.value[x]'} type: CodeableConcept short: A name/code for the set choiceOf: value index: 4 item: url: null isModifier: false short: Record of a specific investigation array: true index: 5 elements: value: base: {path: 'Extension.value[x]'} short: Record of a specific investigation choices: [valueReference] index: 7 valueReference: short: Record of a specific investigation refers: ['http://hl7.org/fhir/StructureDefinition/DiagnosticReport', 'http://hl7.org/fhir/StructureDefinition/FamilyMemberHistory', 'http://hl7.org/fhir/StructureDefinition/ImagingStudy', 'http://hl7.org/fhir/StructureDefinition/Media', 'http://hl7.org/fhir/StructureDefinition/Observation', 'http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse', 'http://hl7.org/fhir/StructureDefinition/RiskAssessment'] type: Reference base: {path: 'Extension.value[x]'} choiceOf: value index: 8 class: extension kind: complex-type url: http://hl7.org/fhir/4.3/StructureDefinition/extension-ClinicalImpression.investigation base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [extension, url]