ICD-10-CM > G00-G99 > G50-G59 > G57 > G57.3 G57.3 Lesion of lateral popliteal nerve Non-Billable/Non-Specific Applicable To Peroneal nerve palsy Codes G57.30Lesion of lateral popliteal nerve, unspecified lower limbG57.31Lesion of lateral popliteal nerve, right lower limbG57.32Lesion of lateral popliteal nerve, left lower limbG57.33Lesion of lateral popliteal nerve, bilateral lower limbs