description: This cross-version extension represents ExpansionProfile.excludedSystem from http://hl7.org/fhir/StructureDefinition/ExpansionProfile|3.0.2 for use in FHIR R4B. package_name: hl7.fhir.uv.xver-r3.r4b derivation: constraint name: ext_R3_ExpansionProfile_excludedSystem type: Extension elements: extension: array: true min: 1 index: 0 slicing: rules: closed ordered: false discriminator: - {path: url, type: value} min: 1 slices: system: match: {url: null} schema: short: The specific code system to be excluded isModifier: false _required: true index: 1 elements: value: base: {path: 'Extension.value[x]'} short: The specific code system to be excluded choices: [valueUri] index: 3 valueUri: base: {path: 'Extension.value[x]'} type: uri short: The specific code system to be excluded choiceOf: value index: 4 version: match: {url: null} schema: short: Specific version of the code system referred to isModifier: false index: 5 elements: value: base: {path: 'Extension.value[x]'} short: Specific version of the code system referred to choices: [valueString] index: 7 valueString: base: {path: 'Extension.value[x]'} type: string short: Specific version of the code system referred to choiceOf: value index: 8 url: pattern: {type: uri, value: 'http://hl7.org/fhir/3.0/StructureDefinition/extension-ExpansionProfile.excludedSystem'} type: uri index: 9 package_version: 0.0.1-snapshot-1 extensions: system: url: null short: The specific code system to be excluded isModifier: false _required: true index: 1 elements: value: base: {path: 'Extension.value[x]'} short: The specific code system to be excluded choices: [valueUri] index: 3 valueUri: base: {path: 'Extension.value[x]'} type: uri short: The specific code system to be excluded choiceOf: value index: 4 version: url: null short: Specific version of the code system referred to isModifier: false index: 5 elements: value: base: {path: 'Extension.value[x]'} short: Specific version of the code system referred to choices: [valueString] index: 7 valueString: base: {path: 'Extension.value[x]'} type: string short: Specific version of the code system referred to choiceOf: value index: 8 class: extension kind: complex-type url: http://hl7.org/fhir/3.0/StructureDefinition/extension-ExpansionProfile.excludedSystem base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [extension, url]