| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| K4131 (Diagnosis) - Unilateral femoral hernia, w obst, w/o gangrene, recurrent (Unilateral femoral hernia, with obstruction, without gangrene, recurrent) | Single To Single | 55201 (Diagnosis) - Rec unil fem hern w obst (Femoral hernia with obstruction, unilateral or unspecified, recurrent) |
| CMS/CDC General Equivalence Mappings |
| K4131 (Diagnosis) - Unilateral femoral hernia, w obst, w/o gangrene, recurrent (Unilateral femoral hernia, with obstruction, without gangrene, recurrent) | Single To Single | Alternative #1: 55201 (Diagnosis) - Rec unil fem hern w obst (Femoral hernia with obstruction, unilateral or unspecified, recurrent) |