---
title: "ICD-10-CM G56.22: Lesion of ulnar nerve, left upper limb | BillingBrief"
description: "ICD-10-CM code G56.22: Lesion of ulnar nerve, left upper limb. Category, related codes, and the official source, in plain English."
canonical: "https://billingbrief.com/icd10/g56.22/"
language: "en"
---

# G56.22 Lesion of ulnar nerve, left upper limb

ICD-10-CM · [CMS code reference](#source)

**Official ICD-10-CM description:** Lesion of ulnar nerve, left upper limb

## Related codes

-   [`G56.00` Carpal tunnel syndrome, unspecified upper limb ICD-10-CM](https://billingbrief.com/icd10/g56.00/)
-   [`G56.01` Carpal tunnel syndrome, right upper limb ICD-10-CM](https://billingbrief.com/icd10/g56.01/)
-   [`G56.02` Carpal tunnel syndrome, left upper limb ICD-10-CM](https://billingbrief.com/icd10/g56.02/)
-   [`G56.03` Carpal tunnel syndrome, bilateral upper limbs ICD-10-CM](https://billingbrief.com/icd10/g56.03/)
-   [`G56.10` Other lesions of median nerve, unspecified upper limb ICD-10-CM](https://billingbrief.com/icd10/g56.10/)
-   [`G56.11` Other lesions of median nerve, right upper limb ICD-10-CM](https://billingbrief.com/icd10/g56.11/)
-   [`G56.12` Other lesions of median nerve, left upper limb ICD-10-CM](https://billingbrief.com/icd10/g56.12/)
-   [`G56.13` Other lesions of median nerve, bilateral upper limbs ICD-10-CM](https://billingbrief.com/icd10/g56.13/)

## Common questions

### Is G56.22 a billable code?

Yes. G56.22 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.

## From the source

Official description from [CMS](https://www.cms.gov/medicare/coding-billing/icd-10-codes).
ICD-10-CM FY2027 (effective October 1, 2026).

Code set

ICD-10-CM

Category

G56 Mononeuropathies of upper limb

Chapter

Diseases of the nervous system

Billable

Yes

Educational reference only. Not medical, legal, or billing advice. Always check the current official code set and payer policy before you bill. [About BillingBrief and our sources](https://billingbrief.com/about/).