| Recommended Mapping (based on statistical analysis) |
| Source ICD-9 | Mapping Type | Target ICD-10 |
| 65191 (Diagnosis) - Mult gestation NOS-deliv (Unspecified multiple gestation, delivered, with or without mention of antepartum condition) | Single To Single | O3091 (Diagnosis) - Multiple gestation, unspecified, first trimester |
| CMS/CDC General Equivalence Mappings |
| 65191 (Diagnosis) - Mult gestation NOS-deliv (Unspecified multiple gestation, delivered, with or without mention of antepartum condition) | Single To Single | Alternative #1: O3091 (Diagnosis) - Multiple gestation, unspecified, first trimester |
Single To Single | Alternative #2: O3092 (Diagnosis) - Multiple gestation, unspecified, second trimester | Single To Single | Alternative #3: O3093 (Diagnosis) - Multiple gestation, unspecified, third trimester |