This case-sensitive code system https://fhir.cognovis.de/dental/CodeSystem/aligner-tracking-outcome defines the following codes:
| Code | Display | Definition |
| tracking-as-planned | Tracking as planned | Observed tooth movement is tracking as planned. |
| tracking-deviation | Tracking deviation | Observed tooth movement deviates from the plan. |
| attachment-loss | Attachment loss | One or more planned aligner attachments are absent. |