M67.23

Non-billable

Synovial hypertrophy, not elsewhere classified, forearm

M67.23 is the ICD-10-CM code for Synovial hypertrophy, not elsewhere classified, forearm. It is a non-billable category code — use a more specific child code such as M67.231 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

Of the 206 bones in your body, three of them are in your arm: the humerus, radius, and ulna. Your arms are also made up of muscles, joints, tendons, and other connective tissue. Injuries to any of these parts of the arm can occur during sports, a fall, or an accident. Types of arm injuries include : Tendinitis and bursitis Sprains Dislocations Fractures (broken bones) Nerve problems Osteoarthritis You may also have…

Read more about Arm 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 M67.23?
M67.23 is the ICD-10-CM code for "Synovial hypertrophy, not elsewhere classified, forearm". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M67.23 a billable code?
No — M67.23 is a non-billable header code. Use a more specific child code (such as M67.231) for billing.
What are the subcodes of M67.23?
M67.23 has 3 more specific child codes, including M67.231, M67.232, M67.239.

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

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