Is M67.3 a billable ICD-10-CM code?

No. M67.3 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does M67.3 sit in the tabular list?

Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Disorders of synovium and tendon (M65-M67).

What cannot be coded together with M67.3?

M67.3 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above M67.3 (M67) and apply to it just the same.

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

These are not written on M67.3, but they bind it: a note on a category applies to every code beneath it. Billing M67.3 with anything listed here is a denial.

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

M67.3 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code history

M67.3 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Code to one of these instead M67.3

10 child codes. Green means billable.

Related codes at this level

Codes that share M67. If M67.3 is not quite right, the correct code is usually one of these.

Questions about M67.3

Is M67.3 a billable ICD-10-CM code?: No. M67.3 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does M67.3 sit in the tabular list?: Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Disorders of synovium and tendon (M65-M67).
What cannot be coded together with M67.3?: M67.3 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above M67.3 (M67) and apply to it just the same.