| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| O2290 (Diagnosis) - Venous complication in pregnancy, unsp, unsp trimester (Venous complication in pregnancy, unspecified, unspecified trimester) | Single To Single | 67190 (Diagnosis) - Ven compl preg NOS-unsp (Unspecified venous complication of pregnancy and the puerperium, unspecified as to episode of care or not applicable) |
| CMS/CDC General Equivalence Mappings |
| O2290 (Diagnosis) - Venous complication in pregnancy, unsp, unsp trimester (Venous complication in pregnancy, unspecified, unspecified trimester) | Single To Single | Alternative #1: 67190 (Diagnosis) - Ven compl preg NOS-unsp (Unspecified venous complication of pregnancy and the puerperium, unspecified as to episode of care or not applicable) |