description: This cross-version extension represents ResearchStudy.arm from http://hl7.org/fhir/StructureDefinition/ResearchStudy|4.0.1 for use in FHIR R5. package_name: hl7.fhir.uv.xver-r4.r5 derivation: constraint name: Ext_R4_ResearchStudy_arm type: Extension elements: extension: base: {max: '*', min: 0, path: Extension.extension} array: true min: 1 index: 0 slicing: rules: closed ordered: false discriminator: - {path: url, type: value} min: 1 slices: name: match: {url: name} schema: short: Label for study arm _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: name} index: 2 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: Label for study arm choices: [valueString] index: 4 valueString: base: {max: '1', min: 0, path: 'Extension.value[x]'} type: string short: Label for study arm choiceOf: value index: 5 required: [url] type: match: {url: type} schema: short: Categorization of study arm base: {max: '*', min: 0, path: Extension.extension} index: 6 elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: type} index: 7 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: Categorization of study arm choices: [valueCodeableConcept] index: 9 valueCodeableConcept: base: {max: '1', min: 0, path: 'Extension.value[x]'} type: CodeableConcept short: Categorization of study arm choiceOf: value index: 10 required: [url] description: match: {url: description} schema: short: Short explanation of study path base: {max: '*', min: 0, path: Extension.extension} index: 11 elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: description} index: 12 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: Short explanation of study path choices: [valueString] index: 14 valueString: base: {max: '1', min: 0, path: 'Extension.value[x]'} type: string short: Short explanation of study path choiceOf: value index: 15 required: [url] url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: 'http://hl7.org/fhir/4.0/StructureDefinition/extension-ResearchStudy.arm'} index: 16 package_version: 0.0.1-snapshot-2 extensions: name: url: name short: Label for study arm _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: name} index: 2 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: Label for study arm choices: [valueString] index: 4 valueString: base: {max: '1', min: 0, path: 'Extension.value[x]'} type: string short: Label for study arm choiceOf: value index: 5 required: [url] type: url: type short: Categorization of study arm base: {max: '*', min: 0, path: Extension.extension} index: 6 elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: type} index: 7 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: Categorization of study arm choices: [valueCodeableConcept] index: 9 valueCodeableConcept: base: {max: '1', min: 0, path: 'Extension.value[x]'} type: CodeableConcept short: Categorization of study arm choiceOf: value index: 10 required: [url] description: url: description short: Short explanation of study path base: {max: '*', min: 0, path: Extension.extension} index: 11 elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: description} index: 12 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: Short explanation of study path choices: [valueString] index: 14 valueString: base: {max: '1', min: 0, path: 'Extension.value[x]'} type: string short: Short explanation of study path choiceOf: value index: 15 required: [url] class: extension kind: complex-type url: http://hl7.org/fhir/4.0/StructureDefinition/extension-ResearchStudy.arm base: http://hl7.org/fhir/StructureDefinition/Extension|5.0.0 version: 0.0.1-snapshot-2 required: [url, extension]