---
title: "ICD-10-CM M79.A11: Nontraumatic compartment syndrome of… | BillingBrief"
description: "ICD-10-CM code M79.A11: Nontraumatic compartment syndrome of right upper extremity. Category, related codes, and the official source, in plain English."
canonical: "https://billingbrief.com/icd10/m79.a11/"
language: "en"
---

# M79.A11 Nontraumatic compartment syndrome of right upper extremity

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

**Official ICD-10-CM description:** Nontraumatic compartment syndrome of right upper extremity

## Coding notes

From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.

### Excludes1

Not coded together with this code. The exception is when the two conditions are unrelated to each other.

-   compartment syndrome NOS (T79.A-)
-   fibromyalgia ([M79.7](https://billingbrief.com/icd10/m79.7/))
-   nontraumatic ischemic infarction of muscle (M62.2-)
-   traumatic compartment syndrome (T79.A-)
-   psychogenic rheumatism (F45.8)
-   soft tissue pain, psychogenic (F45.41)

### Code first

Code the underlying condition first, then this code.

-   , if applicable, associated postprocedural complication

## Related codes

-   [`M79.7` Fibromyalgia ICD-10-CM](https://billingbrief.com/icd10/m79.7/)
-   [`M79.A12` Nontraumatic compartment syndrome of left upper extremity ICD-10-CM](https://billingbrief.com/icd10/m79.a12/)
-   [`M79.A19` Nontraumatic compartment syndrome of unspecified upper extremity ICD-10-CM](https://billingbrief.com/icd10/m79.a19/)
-   [`M79.A21` Nontraumatic compartment syndrome of right lower extremity ICD-10-CM](https://billingbrief.com/icd10/m79.a21/)
-   [`M79.A22` Nontraumatic compartment syndrome of left lower extremity ICD-10-CM](https://billingbrief.com/icd10/m79.a22/)
-   [`M79.A29` Nontraumatic compartment syndrome of unspecified lower extremity ICD-10-CM](https://billingbrief.com/icd10/m79.a29/)
-   [`M79.A3` Nontraumatic compartment syndrome of abdomen ICD-10-CM](https://billingbrief.com/icd10/m79.a3/)
-   [`M79.A9` Nontraumatic compartment syndrome of other sites ICD-10-CM](https://billingbrief.com/icd10/m79.a9/)

## Common questions

### Is M79.A11 a billable code?

Yes. M79.A11 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

M79 Other and unspecified soft tissue disorders, not elsewhere classified

Chapter

Diseases of the musculoskeletal system and connective tissue

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/).