| Recommended Mapping (based on statistical analysis) |
| Source ICD-9 | Mapping Type | Target ICD-10 |
| 71906 (Diagnosis) - Joint effusion-l/leg (Effusion of joint, lower leg) | Single To Single | M25469 (Diagnosis) - Effusion, unspecified knee |
| CMS/CDC General Equivalence Mappings |
| 71906 (Diagnosis) - Joint effusion-l/leg (Effusion of joint, lower leg) | Single To Single | Alternative #1: M25469 (Diagnosis) - Effusion, unspecified knee |
Single To Single | Alternative #2: M25461 (Diagnosis) - Effusion, right knee | Single To Single | Alternative #3: M25462 (Diagnosis) - Effusion, left knee |