description: Constraints on the codes and values of UsageContext to help ensure consistent usage in SDC Questionnaires package_name: hl7.fhir.uv.sdc.r4b derivation: constraint name: SDCUsageContext type: UsageContext elements: code: {mustSupport: true, index: 0} value: mustSupport: true choices: [] index: 2 valueCodeableConcept: mustSupport: true index: 3 elements: coding: mustSupport: true index: 4 elements: system: {mustSupport: true, index: 5} code: {mustSupport: true, index: 6} valueRange: mustSupport: true index: 7 elements: low: {mustSupport: true, index: 8} high: {mustSupport: true, index: 9} package_version: 3.0.0 class: complex-type kind: complex-type url: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-usagecontext base: http://hl7.org/fhir/StructureDefinition/UsageContext version: 3.0.0