G56.21
G56.21: Lesion of ulnar nerve, right upper limb
Billable / specific codeICD-10-CMright
G56.21 is a billable, specific ICD-10-CM code for lesion of ulnar nerve, right upper limb. It is valid for submission on a claim.
Check G56.21 with the rest of the claim: free scrubberExcludes1 inherited from the categories above G56.21
A category’s note binds every code beneath it.
Written on G56: Mononeuropathies of upper limb
- current traumatic nerve disorder - see nerve injury by body region
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
G56.21 is named in 15 Medicare coverage policies: 15 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A53057Billing and Coding: Home Health Occupational Therapy
- A53058Billing and Coding: Home Health Physical Therapy
- A53064Billing and Coding: Outpatient Occupational Therapy
- A53065Billing and Coding: Outpatient Physical Therapy
Code history
Unchanged in every release from FY2024 to FY2027.