Is G56.01 a billable ICD-10-CM code?

Yes. G56.01 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does G56.01 sit in the tabular list?

Diseases of the nervous system (G00-G99), in the block Nerve, nerve root and plexus disorders (G50-G59).

What cannot be coded together with G56.01?

G56.01 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above G56.01 (G56) and apply to it just the same.

G56.01

G56.01 — Carpal tunnel syndrome, right upper limb

Billable / specific codeICD-10-CMright

G56.01 is a billable, specific ICD-10-CM code for carpal tunnel syndrome, right upper limb. It is valid for submission on a claim.

Excludes1 inherited from the categories above G56.01

These are not written on G56.01, but they bind it: a note on a category applies to every code beneath it. Billing G56.01 with anything listed here is a denial.

Written on G56 — Mononeuropathies of upper limb

current traumatic nerve disorder - see nerve injury by body region

Risk adjustment

G56.01 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

G56.01 is named in 27 Medicare coverage policies — 27 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

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

G56.01 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 G56.0. If G56.01 is not quite right, the correct code is usually one of these.

Questions about G56.01

Is G56.01 a billable ICD-10-CM code?: Yes. G56.01 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does G56.01 sit in the tabular list?: Diseases of the nervous system (G00-G99), in the block Nerve, nerve root and plexus disorders (G50-G59).
What cannot be coded together with G56.01?: G56.01 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above G56.01 (G56) and apply to it just the same.