description: The SNOMED CT Description ID for the display. package_name: hl7.fhir.uv.extensions.r3 derivation: constraint name: SctDescId type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/coding-sctdescid'} index: 1 value: choices: [valueId] index: 3 valueId: {type: id, choiceOf: value, index: 4} package_version: 5.3.0-ballot-tc extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/coding-sctdescid base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.3.0-ballot-tc required: [value, valueId]