ICD-10-CM > G00-G99 > G50-G59 > G56 > G56.1 G56.1 Other lesions of median nerve Non-Billable/Non-Specific Codes G56.10Other lesions of median nerve, unspecified upper limbG56.11Other lesions of median nerve, right upper limbG56.12Other lesions of median nerve, left upper limbG56.13Other lesions of median nerve, bilateral upper limbs