| Recommended Mapping (based on statistical analysis) |
| Source ICD-9 | Mapping Type | Target ICD-10 |
| 71280 (Diagnosis) - Cryst arthrop NEC-unspec (Other specified crystal arthropathies, site unspecified) | Single To Single | M1180 (Diagnosis) - Other specified crystal arthropathies, unspecified site |
| CMS/CDC General Equivalence Mappings |
| 71280 (Diagnosis) - Cryst arthrop NEC-unspec (Other specified crystal arthropathies, site unspecified) | Single To Single | Alternative #1: M1180 (Diagnosis) - Other specified crystal arthropathies, unspecified site |
Single To Single | Alternative #2: M1100 (Diagnosis) - Hydroxyapatite deposition disease, unspecified site |