G56.9 - Unspecified mononeuropathy of upper limb G56 - Mononeuropathies of upper limb G56.9 - Unspecified mononeuropathy of upper limb
G56.90 - Unspecified mononeuropathy of unspecified upper limb G56.91 - Unspecified mononeuropathy of right upper limb G56.92 - Unspecified mononeuropathy of left upper limb