| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| S50349A (Diagnosis) - External constriction of unspecified elbow, init encntr (External constriction of unspecified elbow, initial encounter) | Single To Single | 9138 (Diagnosis) - Superf inj forearm NEC (Other and unspecified superficial injury of elbow, forearm, and wrist, without mention of infection) |
| CMS/CDC General Equivalence Mappings |
| S50349A (Diagnosis) - External constriction of unspecified elbow, init encntr (External constriction of unspecified elbow, initial encounter) | Single To Single | Alternative #1: 9138 (Diagnosis) - Superf inj forearm NEC (Other and unspecified superficial injury of elbow, forearm, and wrist, without mention of infection) |