| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| M2460 (Diagnosis) - Ankylosis, unspecified joint | Single To Single | 71850 (Diagnosis) - Ankylosis-unspec (Ankylosis of joint, site unspecified) |
| CMS/CDC General Equivalence Mappings |
| M2460 (Diagnosis) - Ankylosis, unspecified joint | Single To Single | Alternative #1: 71850 (Diagnosis) - Ankylosis-unspec (Ankylosis of joint, site unspecified) |
Single To Single | Alternative #2: 71858 (Diagnosis) - Ankylosis-joint NEC (Ankylosis of joint, other specified sites) | Single To Single | Alternative #3: 71859 (Diagnosis) - Ankylosis-mult joints (Ankylosis of joint, multiple sites) |