description: 'R5: `Specimen.feature` (new:BackboneElement)' package_name: hl7.fhir.uv.xver-r5.r4 derivation: constraint name: ExtensionSpecimen_Feature type: Extension elements: extension: base: {max: '*', min: 0, path: Extension.extension} array: true min: 2 index: 0 slicing: rules: open ordered: false discriminator: - {path: url, type: value} min: 2 slices: type: match: {url: type} schema: short: 'R5: Highlighted feature (new)' _required: true base: {max: '*', min: 0, path: Extension.extension} index: 1 elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: type} index: 2 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: Highlighted feature choices: [valueCodeableConcept] index: 4 valueCodeableConcept: short: Highlighted feature type: CodeableConcept base: {max: '1', min: 0, path: 'Extension.value[x]'} choiceOf: value index: 5 required: [url, value, valueCodeableConcept] description: match: {url: description} schema: short: 'R5: Information about the feature (new)' _required: true base: {max: '*', min: 0, path: Extension.extension} index: 6 elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: description} index: 7 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: Information about the feature choices: [valueString] index: 9 valueString: short: Information about the feature type: string base: {max: '1', min: 0, path: 'Extension.value[x]'} choiceOf: value index: 10 required: [url, valueString, value] url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: 'http://hl7.org/fhir/5.0/StructureDefinition/extension-Specimen.feature'} index: 11 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} choices: [] index: 13 package_version: 0.1.0 extensions: type: url: type short: 'R5: Highlighted feature (new)' _required: true base: {max: '*', min: 0, path: Extension.extension} index: 1 elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: type} index: 2 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: Highlighted feature choices: [valueCodeableConcept] index: 4 valueCodeableConcept: short: Highlighted feature type: CodeableConcept base: {max: '1', min: 0, path: 'Extension.value[x]'} choiceOf: value index: 5 required: [url, value, valueCodeableConcept] description: url: description short: 'R5: Information about the feature (new)' _required: true base: {max: '*', min: 0, path: Extension.extension} index: 6 elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: description} index: 7 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: Information about the feature choices: [valueString] index: 9 valueString: short: Information about the feature type: string base: {max: '1', min: 0, path: 'Extension.value[x]'} choiceOf: value index: 10 required: [url, valueString, value] class: extension kind: complex-type url: http://hl7.org/fhir/5.0/StructureDefinition/extension-Specimen.feature base: http://hl7.org/fhir/StructureDefinition/Extension|4.0.1 version: 0.1.0 required: [url]