ICD-10-CM
ICD-10 code for Carpal tunnel: G56.00
The closest CDC title for "Carpal tunnel" is G56.00, Carpal tunnel syndrome, unspecified upper limb. G56.00 is a billable code.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
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Codes under G56, then other CDC titles that name carpal tunnel syndrome, unspecified upper limb
A header groups codes and is not billed. A billable code is one you can report.
- G56Mononeuropathies of upper limbHeader
- G56.0Carpal tunnel syndromeHeader
- G56.00Carpal tunnel syndrome, unspecified upper limbBillable
- G56.01Carpal tunnel syndrome, right upper limbBillable
- G56.02Carpal tunnel syndrome, left upper limbBillable
- G56.03Carpal tunnel syndrome, bilateral upper limbsBillable
- G56.1Other lesions of median nerveHeader
- G56.10Other lesions of median nerve, unspecified upper limbBillable
- G56.11Other lesions of median nerve, right upper limbBillable
- G56.12Other lesions of median nerve, left upper limbBillable
- G56.13Other lesions of median nerve, bilateral upper limbsBillable
- G56.2Lesion of ulnar nerveHeader
- G56.20Lesion of ulnar nerve, unspecified upper limbBillable
- G56.21Lesion of ulnar nerve, right upper limbBillable
- G56.22Lesion of ulnar nerve, left upper limbBillable
- G56.23Lesion of ulnar nerve, bilateral upper limbsBillable
- G56.3Lesion of radial nerveHeader
- G56.30Lesion of radial nerve, unspecified upper limbBillable
- G56.31Lesion of radial nerve, right upper limbBillable
- G56.32Lesion of radial nerve, left upper limbBillable
- G56.33Lesion of radial nerve, bilateral upper limbsBillable
- G56.4Causalgia of upper limbHeader
- G56.40Causalgia of unspecified upper limbBillable
- G56.41Causalgia of right upper limbBillable
- G56.42Causalgia of left upper limbBillable
- G56.43Causalgia of bilateral upper limbsBillable
- G56.8Other specified mononeuropathies of upper limbHeader
- G56.80Other specified mononeuropathies of unspecified upper limbBillable
- G56.81Other specified mononeuropathies of right upper limbBillable
- G56.82Other specified mononeuropathies of left upper limbBillable
- G56.83Other specified mononeuropathies of bilateral upper limbsBillable
- G56.9Unspecified mononeuropathy of upper limbHeader
- G56.90Unspecified mononeuropathy of unspecified upper limbBillable
- G56.91Unspecified mononeuropathy of right upper limbBillable
- G56.92Unspecified mononeuropathy of left upper limbBillable
- G56.93Unspecified mononeuropathy of bilateral upper limbsBillable
Excludes1
Excludes1 means these codes are not reported together.
From G56. A note on a category applies to every code under it.
- current traumatic nerve disorder - see nerve injury by body region
Related conditions
Related pages
- G56.00 code detailsNotes, nearby codes, CMS-HCC group
- Category G56Every code under it
- Chapter 6Diseases of the nervous system
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Carpal tunnel?
The closest CDC title for "Carpal tunnel" is G56.00, Carpal tunnel syndrome, unspecified upper limb. G56.00 is a billable code.
Is G56.00 billable?
Yes. G56.00 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to G56.00?
The CDC tabular list gives 1 Excludes1 note (not coded together) for G56.00 and the categories above it. They are listed on this page.
What chapter is G56.00 in?
Chapter 6. Diseases of the nervous system.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.