---
title: "ICD-10-CM M79.669: Pain in unspecified lower leg | BillingBrief"
description: "ICD-10-CM code M79.669: Pain in unspecified lower leg. Category, related codes, and the official source, in plain English."
canonical: "https://billingbrief.com/icd10/m79.669/"
language: "en"
---

# M79.669 Pain in unspecified lower leg

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

**Official ICD-10-CM description:** Pain in unspecified lower leg

## 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.

-   psychogenic rheumatism (F45.8)
-   soft tissue pain, psychogenic (F45.41)

### Excludes2

Not part of this code, but both can be coded when both are documented.

-   pain in joint (M25.5-)

## Related codes

-   [`M79.652` Pain in left thigh ICD-10-CM](https://billingbrief.com/icd10/m79.652/)
-   [`M79.659` Pain in unspecified thigh ICD-10-CM](https://billingbrief.com/icd10/m79.659/)
-   [`M79.661` Pain in right lower leg ICD-10-CM](https://billingbrief.com/icd10/m79.661/)
-   [`M79.662` Pain in left lower leg ICD-10-CM](https://billingbrief.com/icd10/m79.662/)
-   [`M79.671` Pain in right foot ICD-10-CM](https://billingbrief.com/icd10/m79.671/)
-   [`M79.672` Pain in left foot ICD-10-CM](https://billingbrief.com/icd10/m79.672/)
-   [`M79.673` Pain in unspecified foot ICD-10-CM](https://billingbrief.com/icd10/m79.673/)
-   [`M79.674` Pain in right toe(s) ICD-10-CM](https://billingbrief.com/icd10/m79.674/)

## Common questions

### Is M79.669 a billable code?

Yes. M79.669 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/).