| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| S52391C (Diagnosis) - Oth fx shaft of rad, right arm, init for opn fx type 3A/B/C (Other fracture of shaft of radius, right arm, initial encounter for open fracture type IIIA, IIIB, or IIIC) | Single To Single | 81331 (Diagnosis) - Fx radius shaft-open (Open fracture of shaft of radius (alone)) |
| CMS/CDC General Equivalence Mappings |
| S52391C (Diagnosis) - Oth fx shaft of rad, right arm, init for opn fx type 3A/B/C (Other fracture of shaft of radius, right arm, initial encounter for open fracture type IIIA, IIIB, or IIIC) | Single To Single | Alternative #1: 81331 (Diagnosis) - Fx radius shaft-open (Open fracture of shaft of radius (alone)) |