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M67.3

M67.3: Transient synovitis

Non-billable headerICD-10-CM

M67.3 is a non-billable header ICD-10-CM code for transient synovitis. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • palindromic rheumatism (M12.3-)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Toxic synovitis

Excludes1 inherited from the categories above M67.3

A category’s note binds every code beneath it.

Written on M67: Other disorders of synovium and tendon

  • palmar fascial fibromatosis [Dupuytren] (M72.0)
  • tendinitis NOS (M77.9-)
  • xanthomatosis localized to tendons (E78.2)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead M67.3

10 child codes. Green means billable.

Other codes under M67

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.