| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| M84522D (Diagnosis) - Path fx in neopltc dis, l humerus, subs for fx w routn heal (Pathological fracture in neoplastic disease, left humerus, subsequent encounter for fracture with routine healing) | Single To Single | V5421 (Diagnosis) - Aftercare path fx up arm (Aftercare for healing pathologic fracture of upper arm) |
| CMS/CDC General Equivalence Mappings |
| M84522D (Diagnosis) - Path fx in neopltc dis, l humerus, subs for fx w routn heal (Pathological fracture in neoplastic disease, left humerus, subsequent encounter for fracture with routine healing) | Single To Single | Alternative #1: V5421 (Diagnosis) - Aftercare path fx up arm (Aftercare for healing pathologic fracture of upper arm) |