| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| O361193 (Diagnosis) - Maternal care for Anti-A sensitization, unsp tri, fetus 3 (Maternal care for Anti-A sensitization, unspecified trimester, fetus 3) | Single To Single | 65620 (Diagnosis) - Abo isoimmunization-unsp (Isoimmunization from other and unspecified blood-group incompatibility, unspecified as to episode of care or not applicable) |
| CMS/CDC General Equivalence Mappings |
| O361193 (Diagnosis) - Maternal care for Anti-A sensitization, unsp tri, fetus 3 (Maternal care for Anti-A sensitization, unspecified trimester, fetus 3) | Single To Single | Alternative #1: 65620 (Diagnosis) - Abo isoimmunization-unsp (Isoimmunization from other and unspecified blood-group incompatibility, unspecified as to episode of care or not applicable) |