This case-sensitive code system https://fhir.cognovis.de/dental/CodeSystem/goz-vereinbarung-dokumenttyp defines the following codes:
| Code | Display | Definition |
| honorarvereinbarung-2-1-2 | Honorarvereinbarung nach § 2 Abs. 1 und 2 GOZ | Written agreement for a fee amount deviating from the GOZ. |
| verlangensleistung-hkp-2-3 | Heil- und Kostenplan nach § 2 Abs. 3 GOZ | Written treatment and cost plan for requested services without medical necessity. |