G56.30
G56.30 — Lesion of radial nerve, unspecified upper limb
Billable / specific codeICD-10-CMunspecified
G56.30 is a billable, specific ICD-10-CM code for lesion of radial nerve, unspecified upper limb. It is valid for submission on a claim.
Risk adjustment
G56.30 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
G56.30 is named in 2 Medicare coverage policies — 2 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56607Billing and Coding: Continuous Peripheral Nerve Blocks (CPNB)
- A57668Billing and Coding: Nerve Conduction Studies and Electromyography
Code history
G56.30 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.
Related codes at this level
Codes that share G56.3. If G56.30 is not quite right, the correct code is usually one of these.
Questions about G56.30
- Is G56.30 a billable ICD-10-CM code?
- Yes. G56.30 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does G56.30 sit in the tabular list?
- Diseases of the nervous system (G00-G99), in the block Nerve, nerve root and plexus disorders (G50-G59).