ICD-10-CM > G00-G99 > G50-G59 > G57 > G57.2 G57.2 Lesion of femoral nerve Non-Billable/Non-Specific Codes G57.20Lesion of femoral nerve, unspecified lower limbG57.21Lesion of femoral nerve, right lower limbG57.22Lesion of femoral nerve, left lower limbG57.23Lesion of femoral nerve, bilateral lower limbs