The correct ICD-10 code for diabetic polyneuropathy in type 2 diabetes is E11.42. This combination code represents type 2 diabetes mellitus with diabetic polyneuropathy. Unlike E11.40 (diabetes without complications), E11.42 specifically captures nerve damage. Use this code when documentation confirms peripheral neuropathy caused by diabetes. The code includes both the diabetes and the complication. Do not code diabetes and neuropathy separately. Proper documentation […]