description: This cross-version extension represents EvidenceVariable.category from http://hl7.org/fhir/StructureDefinition/EvidenceVariable|4.3.0 for use in FHIR R4. package_name: hl7.fhir.uv.xver-r4b.r4 derivation: constraint name: ext_R4B_EvidenceVariable_category type: Extension elements: extension: array: true index: 0 slicing: rules: closed ordered: false discriminator: - {path: url, type: value} min: 0 slices: name: match: {url: null} schema: isModifier: false short: Description of the grouping index: 1 elements: value: base: {path: 'Extension.value[x]'} short: Description of the grouping choices: [valueString] index: 3 valueString: base: {path: 'Extension.value[x]'} type: string short: Description of the grouping choiceOf: value index: 4 value[x]: match: {url: null} schema: isModifier: false short: Definition of the grouping index: 5 elements: value: base: {path: 'Extension.value[x]'} short: Definition of the grouping choices: [valueCodeableConcept, valueQuantity, valueRange] index: 7 valueCodeableConcept: base: {path: 'Extension.value[x]'} type: CodeableConcept short: Definition of the grouping choiceOf: value index: 8 valueQuantity: base: {path: 'Extension.value[x]'} type: Quantity short: Definition of the grouping choiceOf: value index: 9 valueRange: base: {path: 'Extension.value[x]'} type: Range short: Definition of the grouping choiceOf: value index: 10 url: pattern: {type: uri, value: 'http://hl7.org/fhir/4.3/StructureDefinition/extension-EvidenceVariable.category'} type: uri index: 11 package_version: 0.0.1-snapshot-1 extensions: name: url: null isModifier: false short: Description of the grouping index: 1 elements: value: base: {path: 'Extension.value[x]'} short: Description of the grouping choices: [valueString] index: 3 valueString: base: {path: 'Extension.value[x]'} type: string short: Description of the grouping choiceOf: value index: 4 value[x]: url: null isModifier: false short: Definition of the grouping index: 5 elements: value: base: {path: 'Extension.value[x]'} short: Definition of the grouping choices: [valueCodeableConcept, valueQuantity, valueRange] index: 7 valueCodeableConcept: base: {path: 'Extension.value[x]'} type: CodeableConcept short: Definition of the grouping choiceOf: value index: 8 valueQuantity: base: {path: 'Extension.value[x]'} type: Quantity short: Definition of the grouping choiceOf: value index: 9 valueRange: base: {path: 'Extension.value[x]'} type: Range short: Definition of the grouping choiceOf: value index: 10 class: extension kind: complex-type url: http://hl7.org/fhir/4.3/StructureDefinition/extension-EvidenceVariable.category base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [url]