ICD-10-CM > K00-K95 > K40-K46 > K41 > K41.9 K41.9 Unilateral femoral hernia, without obstruction or gangrene Non-Billable/Non-Specific Codes K41.90Unilateral femoral hernia, without obstruction or gangrene, not specified as recurrentK41.91Unilateral femoral hernia, without obstruction or gangrene, recurrent