| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| S62236B (Diagnosis) - Oth nondisp fx of base of 1st MC bone, unsp hand, 7thB (Other nondisplaced fracture of base of first metacarpal bone, unspecified hand, initial encounter for open fracture) | Single To Single | 81511 (Diagnosis) - Fx 1st metacarp base-opn (Open fracture of base of thumb [first] metacarpal) |
| CMS/CDC General Equivalence Mappings |
| S62236B (Diagnosis) - Oth nondisp fx of base of 1st MC bone, unsp hand, 7thB (Other nondisplaced fracture of base of first metacarpal bone, unspecified hand, initial encounter for open fracture) | Single To Single | Alternative #1: 81511 (Diagnosis) - Fx 1st metacarp base-opn (Open fracture of base of thumb [first] metacarpal) |