| 0C0 | Alteration |
| 0C1 | Bypass |
| 0C2 | Change |
| 0C5 | Destruction |
| 0C7 | Dilation |
| 0C9 | Drainage |
| 0CB | Excision |
| 0CC | Extirpation |
| 0CD | Extraction |
| 0CF | Fragmentation |
| 0CH | Insertion |
| 0CJ | Inspection |
| 0CL | Occlusion |
| 0CM | Reattachment |
| 0CN | Release |
| 0CP | Removal |
| 0CQ | Repair |
| 0CR | Replacement |
| 0CS | Reposition |
| 0CT | Resection |
| 0CU | Supplement |
| 0CV | Restriction |
| 0CW | Revision |
| 0CX | Transfer |
| 0CY | Transplantation |