M67.26

Non-billable

Synovial hypertrophy, not elsewhere classified, lower leg

M67.26 is the ICD-10-CM code for Synovial hypertrophy, not elsewhere classified, lower leg. It is a non-billable category code — use a more specific child code such as M67.261 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M67.2
Subcodes
3
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

What this means — in plain language

MedlinePlus · NIH

Your legs are made up of bones, blood vessels, muscles, and other connective tissue. They are important for motion and standing. Playing sports, running, falling, or having an accident can damage your legs. Common leg injuries include sprains and strains , joint dislocations , and fractures (broken bones). These injuries can affect the entire leg, or just the foot , ankle , knee , or hip . Certain diseases also lead…

Read more about Leg Injuries and Disorders at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code M67.26?
M67.26 is the ICD-10-CM code for "Synovial hypertrophy, not elsewhere classified, lower leg". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M67.26 a billable code?
No — M67.26 is a non-billable header code. Use a more specific child code (such as M67.261) for billing.
What are the subcodes of M67.26?
M67.26 has 3 more specific child codes, including M67.261, M67.262, M67.269.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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