G56.21✓ Billable
Lesion of ulnar nerve, right upper limb
Code Hierarchy
┌6Diseases of the nervous system (G00-G99)├G50-G59Nerve, nerve root and plexus disorders (G50-G59)├G56Mononeuropathies of upper limb
└G56.21Lesion of ulnar nerve, right upper limb
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