| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| 0RNT0ZZ (Procedure) - Release Left Carpometacarpal Joint, Open Approach | Single To Single | 8040 (Procedure) - Jt structur division NOS (Division of joint capsule, ligament, or cartilage, unspecified site) |
| CMS/CDC General Equivalence Mappings |
| 0RNT0ZZ (Procedure) - Release Left Carpometacarpal Joint, Open Approach | Single To Single | Alternative #1: 8040 (Procedure) - Jt structur division NOS (Division of joint capsule, ligament, or cartilage, unspecified site) |
Single To Single | Alternative #2: 8044 (Procedure) - Hand joint struct divis (Division of joint capsule, ligament, or cartilage, hand and finger) |