| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| S56599A (Diagnosis) - Inj extn musc/fasc/tend at forearm level, unsp arm, init (Other injury of other extensor muscle, fascia and tendon at forearm level, unspecified arm, initial encounter) | Single To Single | 9593 (Diagnosis) - Elb/forearm/wrst inj NOS (Elbow, forearm, and wrist injury) |
| CMS/CDC General Equivalence Mappings |
| S56599A (Diagnosis) - Inj extn musc/fasc/tend at forearm level, unsp arm, init (Other injury of other extensor muscle, fascia and tendon at forearm level, unspecified arm, initial encounter) | Single To Single | Alternative #1: 9593 (Diagnosis) - Elb/forearm/wrst inj NOS (Elbow, forearm, and wrist injury) |