ICD-10 Code: G56.20 – Lesion of ulnar nerve, unspecified upper limb

ICD-10 code G56.20 corresponds to Lesion of ulnar nerve, unspecified upper limb. This code is classified under the chapter G56 Mononeuropathies of upper limb, which is part of the G50-G59: Nerve, nerve root and plexus disorders category.

The parent chapter is Diseases of the nervous system.