description: This extension to PlanDefinition conveys a billing code associated with the service represented by the PlanDefinition instance. It may also reference the billing rules associated with this code as a ChargeItemDefinition package_name: hl7.fhir.uv.order-catalog derivation: constraint name: ServiceBillingCode type: Extension elements: url: pattern: {type: Uri, value: 'http://hl7.org/fhir/uv/order-catalog/StructureDefinition/ServiceBillingCode'} index: 0 value: choices: [valueReference] index: 9 slicing: slices: valueReference: match: {} schema: choices: [valueReference] index: 9 valueCodeableConcept: type: CodeableConcept choiceOf: value index: 7 slicing: slices: valueCodeableConcept: match: {} schema: {type: CodeableConcept, choiceOf: value, index: 7} valueReference: type: Reference choiceOf: value refers: ['http://hl7.org/fhir/uv/order-catalog/StructureDefinition/LabChargeItemDefinition'] index: 10 slicing: slices: valueReference: match: {} schema: type: Reference choiceOf: value refers: ['http://hl7.org/fhir/uv/order-catalog/StructureDefinition/LabChargeItemDefinition'] index: 10 package_version: 1.0.0 class: extension kind: complex-type url: http://hl7.org/fhir/uv/order-catalog/StructureDefinition/ServiceBillingCode base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0