| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| M4851XD (Diagnosis) - Collapsed vert, NEC, occipt-atlan-ax rgn, 7thD (Collapsed vertebra, not elsewhere classified, occipito-atlanto-axial region, subsequent encounter for fracture with routine healing) | Single To Single | V5427 (Diagnosis) - Aftrcare path fx vertebr (Aftercare for healing pathologic fracture of vertebrae) |
| CMS/CDC General Equivalence Mappings |
| M4851XD (Diagnosis) - Collapsed vert, NEC, occipt-atlan-ax rgn, 7thD (Collapsed vertebra, not elsewhere classified, occipito-atlanto-axial region, subsequent encounter for fracture with routine healing) | Single To Single | Alternative #1: V5427 (Diagnosis) - Aftrcare path fx vertebr (Aftercare for healing pathologic fracture of vertebrae) |