| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| P031 (Diagnosis) - NB aff by oth malpresent, malpos & disproprtn dur labr & del (Newborn affected by other malpresentation, malposition and disproportion during labor and delivery) | Single To Single | 7631 (Diagnosis) - Malpos/dispro NEC aff NB (Other malpresentation, malposition, and disproportion during labor and delivery affecting fetus or newborn) |
| CMS/CDC General Equivalence Mappings |
| P031 (Diagnosis) - NB aff by oth malpresent, malpos & disproprtn dur labr & del (Newborn affected by other malpresentation, malposition and disproportion during labor and delivery) | Single To Single | Alternative #1: 7631 (Diagnosis) - Malpos/dispro NEC aff NB (Other malpresentation, malposition, and disproportion during labor and delivery affecting fetus or newborn) |