M66.129

Billable

Rupture of synovium, unspecified elbow

M66.129 is the ICD-10-CM code for Rupture of synovium, unspecified elbow. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
M00-M99
Parent
M66.12
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

What this means — in plain language

MedlinePlus · NIH

Your elbow joint is made up of bone, cartilage, ligaments and fluid. Muscles and tendons help the elbow joint move. When any of these structures is hurt or diseased, you have elbow problems. Many things can make your elbow hurt. A common cause is tendinitis , an inflammation or injury to the tendons that attach muscle to bone. Tendinitis of the elbow is a sports injury , often from playing tennis or golf. You may…

Read more about Elbow 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 M66.129?
M66.129 is the ICD-10-CM code for "Rupture of synovium, unspecified elbow". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M66.129 a billable code?
Yes — M66.129 is a billable, specific ICD-10-CM code valid for reimbursement.

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

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