| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| M23005 (Diagnosis) - Cystic meniscus, unsp medial meniscus, unspecified knee (Cystic meniscus, unspecified medial meniscus, unspecified knee) | Single To Single | 7175 (Diagnosis) - Derangement meniscus NEC (Derangement of meniscus, not elsewhere classified) |
| CMS/CDC General Equivalence Mappings |
| M23005 (Diagnosis) - Cystic meniscus, unsp medial meniscus, unspecified knee (Cystic meniscus, unspecified medial meniscus, unspecified knee) | Single To Single | Alternative #1: 7175 (Diagnosis) - Derangement meniscus NEC (Derangement of meniscus, not elsewhere classified) |