G56.2 Lesion of ulnar nerve

Non-billable header with 4 child codes.

Applicable to

• Tardy ulnar nerve palsy

Applies from G56 Mononeuropathies of upper limb

Excludes1 (never code together)

• current traumatic nerve disorder - see nerve injury by body region

Codes under G56.2

• G56.20 Lesion of ulnar nerve, unspecified upper limb
• G56.21 Lesion of ulnar nerve, right upper limb
• G56.22 Lesion of ulnar nerve, left upper limb
• G56.23 Lesion of ulnar nerve, bilateral upper limbs

Code annotations containing back-references to G56.2

Back-references to G56

• Type 1 Excludes: M79.2 Neuralgia and neuritis, unspecified ("mononeuropathies (G56-G58)")

Diagnosis Index entries for G56.2

• Lesion (s) (nontraumatic) › nerve › ulnar
• Mononeuritis › ulnar nerve
• Neuropathy, neuropathic › entrapment › ulnar nerve
• Neuropathy, neuropathic › ulnar nerve
• Palsy › ulnar nerve (tardy)
• Paralysis, paralytic (complete) (incomplete) › nerve › ulnar
• Paralysis, paralytic (complete) (incomplete) › ulnar nerve

Nearby codes

• G56.1 Other lesions of median nerve
• G56.10 Other lesions of median nerve, unspecified upper limb
• G56.11 Other lesions of median nerve, right upper limb
• G56.12 Other lesions of median nerve, left upper limb
• G56.13 Other lesions of median nerve, bilateral upper limbs
• G56.2 Lesion of ulnar nerve (this code)
• G56.20 Lesion of ulnar nerve, unspecified upper limb
• G56.21 Lesion of ulnar nerve, right upper limb
• G56.22 Lesion of ulnar nerve, left upper limb
• G56.23 Lesion of ulnar nerve, bilateral upper limbs
• G56.3 Lesion of radial nerve