M67.921 Unspecified disorder of synovium and tendon, right upper arm

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)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 727.9 Unspecified disorder of synovium, tendon, and bursa (approximate)

Nearby codes

• M67.91 Unspecified disorder of synovium and tendon, shoulder
• M67.911 Unspecified disorder of synovium and tendon, right shoulder
• M67.912 Unspecified disorder of synovium and tendon, left shoulder
• M67.919 Unspecified disorder of synovium and tendon, unspecified shoulder
• M67.92 Unspecified disorder of synovium and tendon, upper arm
• M67.921 Unspecified disorder of synovium and tendon, right upper arm (this code)
• M67.922 Unspecified disorder of synovium and tendon, left upper arm
• M67.929 Unspecified disorder of synovium and tendon, unspecified upper arm
• M67.93 Unspecified disorder of synovium and tendon, forearm
• M67.931 Unspecified disorder of synovium and tendon, right forearm
• M67.932 Unspecified disorder of synovium and tendon, left forearm