M67.20 Synovial hypertrophy, not elsewhere classified, unspecified site

Billable ICD-10-CM code, FY2026.

Applies from M67 Other disorders of synovium and tendon

Excludes1 (never code together)

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

Applies from M67.2 Synovial hypertrophy, not elsewhere classified

Excludes1 (never code together)

• villonodular synovitis (pigmented) (M12.2-)

MS-DRG index

Defines the logic of DRG(s) 557-558 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 727.89 Other disorders of synovium, tendon, and bursa (approximate)

Diagnosis Index entries for M67.20

• Hypertrophy, hypertrophic › synovial NEC

Nearby codes

• 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 (this code)
• 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
• M67.219 Synovial hypertrophy, not elsewhere classified, unspecified shoulder
• M67.22 Synovial hypertrophy, not elsewhere classified, upper arm