MCMCB Pro
G56.02

G56.02Carpal tunnel syndrome, left upper limb

Billable / specific codeICD-10-CMleft

G56.02 is a billable, specific ICD-10-CM code for carpal tunnel syndrome, left upper limb. It is valid for submission on a claim.

Risk adjustment

G56.02 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

G56.02 is named in 24 Medicare coverage policies 24 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52863Billing and Coding: Pain Management - injection of tendon sheaths, ligaments, ganglion cysts, carpal and tarsal tunnels
  • A53057Billing and Coding: Home Health Occupational Therapy
  • A53058Billing and Coding: Home Health Physical Therapy
  • A53064Billing and Coding: Outpatient Occupational Therapy

Related codes at this level

Codes that share G56.0. If G56.02 is not quite right, the correct code is usually one of these.

Questions about G56.02

Is G56.02 a billable ICD-10-CM code?
Yes. G56.02 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does G56.02 sit in the tabular list?
Diseases of the nervous system (G00-G99), in the block Nerve, nerve root and plexus disorders (G50-G59).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.