Properties
| Code | URL | Description | Type |
| status | http://hl7.org/fhir/concept-properties#status | Designation of a concept's state. Normally is not populated unless the state is retired.. | code |
| internalId | http://terminology.hl7.org/CodeSystem/utg-concept-properties#v3-internal-id | The internal identifier for the concept in the HL7 Access database repository. | code |
| notSelectable | http://hl7.org/fhir/concept-properties#notSelectable | Indicates that the code is abstract - only intended to be used as a selector for other concepts | boolean |
This code system http://terminology.hl7.org/CodeSystem/HCPCS defines many codes, of which the following are a subset: