description: Identifies billing codes that could potentially be used for this clinical code package_name: hl7.fhir.us.davinci-crd derivation: constraint name: CRDBillingOptions type: Extension elements: extension: {index: 0} url: pattern: {type: uri, value: 'http://hl7.org/fhir/us/davinci-crd/StructureDefinition/ext-billing-options'} type: uri index: 1 value: choices: [valueCodeableConcept] index: 3 valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 4} package_version: 2.2.0-ballot extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/us/davinci-crd/StructureDefinition/ext-billing-options base: http://hl7.org/fhir/StructureDefinition/Extension version: 2.2.0-ballot