ICD-10/M67.361

M67.361 ICD 2026 Code: Transient synovitis, right knee

M67.361 is the authoritative medical code for Transient synovitis, right knee. This classification is used in medical billing and clinical recording to specify the clinical criteria for transient synovitis, right knee (ICD-10-CM M67.361), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Official Registry Overview & Definition

Transient synovitis, right knee is a billable ICD-10-CM diagnosis code M67.361. Excludes1 (not coded here): palindromic rheumatism M12.3-; palmar fascial fibromatosis Dupuytren; tendinitis NOS M77.9-; xanthomatosis localized to tendons E78.2.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for M67.361 in the official ICD-10-CM tabular list.

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • palindromic rheumatism M12.3-
  • palmar fascial fibromatosis Dupuytren
  • tendinitis NOS M77.9-
  • xanthomatosis localized to tendons E78.2

Frequently Asked Questions (FAQ) & Clinical Guidance

What can't be coded together with M67.361?

Per official ICD-10-CM Excludes1 instructions, M67.361 must not be reported together with: palindromic rheumatism (M12.3-); palmar fascial fibromatosis [Dupuytren] (M72.0); tendinitis NOS (M77.9-); xanthomatosis localized to tendons (E78.2).

Nearest Codes in This Family

Official ICD-10-CM classifications closest to M67.361 in its code family, with their registry titles.

  • M67 — Other disorders of synovium and tendon
  • M67.0 — Short Achilles tendon (acquired)
  • M67.00 — Short Achilles tendon (acquired), unspecified ankle
  • M67.01 — Short Achilles tendon (acquired), right ankle
  • M67.02 — Short Achilles tendon (acquired), left ankle
  • M67.2 — Synovial hypertrophy, not elsewhere classified
  • M67.20 — Synovial hypertrophy, not elsewhere classified, unspecified site
  • M67.21 — Synovial hypertrophy, not elsewhere classified, shoulder
  • M67.211 — Synovial hypertrophy, not elsewhere classified, right shoulder
  • M67.212 — Synovial hypertrophy, not elsewhere classified, left shoulder

View all 40 codes in the M67 family