description: Identifies the relative order in which concepts within the value set should be presented to a user. In R6+, the order property is used in place of this extension. package_name: hl7.fhir.uv.extensions.r4b derivation: constraint name: CSConceptOrder type: Extension elements: extension: {index: 0} url: pattern: {type: uri, value: 'http://hl7.org/fhir/StructureDefinition/codesystem-conceptOrder'} type: uri index: 1 value: choices: [valueInteger] index: 3 valueInteger: {type: integer, choiceOf: value, index: 4} package_version: 5.3.0-ballot-tc extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/codesystem-conceptOrder base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.3.0-ballot-tc required: [value, valueInteger]