M66.146

Billable

Rupture of synovium, unspecified finger(s)

M66.146 is the ICD-10-CM code for Rupture of synovium, unspecified finger(s). It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
M00-M99
Parent
M66.14
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

What this means — in plain language

MedlinePlus · NIH

You use your fingers and thumbs to do everything from grasping objects to playing musical instruments to typing. When there is something wrong with them, it can make life difficult. Common problems include: Injuries that result in fractures (broken bones), ruptured ligaments and dislocations Osteoarthritis - wear-and-tear arthritis. It can also cause deformity. Tendinitis - irritation of the tendons Dupuytren's…

Read more about Finger 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 M66.146?
M66.146 is the ICD-10-CM code for "Rupture of synovium, unspecified finger(s)". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M66.146 a billable code?
Yes — M66.146 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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