| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| S52501C (Diagnosis) - Unsp fx the lower end r radius, init for opn fx type 3A/B/C (Unspecified fracture of the lower end of right radius, initial encounter for open fracture type IIIA, IIIB, or IIIC) | Single To Single | 81352 (Diagnosis) - Fx distal radius NEC-opn (Other open fractures of distal end of radius (alone)) |
| CMS/CDC General Equivalence Mappings |
| S52501C (Diagnosis) - Unsp fx the lower end r radius, init for opn fx type 3A/B/C (Unspecified fracture of the lower end of right radius, initial encounter for open fracture type IIIA, IIIB, or IIIC) | Single To Single | Alternative #1: 81352 (Diagnosis) - Fx distal radius NEC-opn (Other open fractures of distal end of radius (alone)) |