ICD-10-CM > G00-G99 > G50-G59 > G57 > G57.8 G57.8 Other specified mononeuropathies of lower limb Non-Billable/Non-Specific Applicable To Interdigital neuroma of lower limb Codes G57.80Other specified mononeuropathies of unspecified lower limbG57.81Other specified mononeuropathies of right lower limbG57.82Other specified mononeuropathies of left lower limbG57.83Other specified mononeuropathies of bilateral lower limbs