| Recommended Mapping (based on statistical analysis) |
| Source ICD-9 | Mapping Type | Target ICD-10 |
| 66710 (Diagnosis) - Retain prod concept-unsp (Retained portions of placenta or membranes, without hemorrhage, unspecified as to episode of care or not applicable) | Single To Single | O731 (Diagnosis) - Retained portions of placenta and membranes, w/o hemorrhage (Retained portions of placenta and membranes, without hemorrhage) |
| CMS/CDC General Equivalence Mappings |
| 66710 (Diagnosis) - Retain prod concept-unsp (Retained portions of placenta or membranes, without hemorrhage, unspecified as to episode of care or not applicable) | Single To Single | Alternative #1: O731 (Diagnosis) - Retained portions of placenta and membranes, w/o hemorrhage (Retained portions of placenta and membranes, without hemorrhage) |