M67.99 Unspecified disorder of synovium and tendon, multiple sites

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)

Diagnosis Index entries for M67.99

• Disorder (of) › synovium › multiple sites
• Disorder (of) › tendon › multiple sites

Nearby codes

• M67.97 Unspecified disorder of synovium and tendon, ankle and foot
• M67.971 Unspecified disorder of synovium and tendon, right ankle and foot
• M67.972 Unspecified disorder of synovium and tendon, left ankle and foot
• M67.979 Unspecified disorder of synovium and tendon, unspecified ankle and foot
• M67.98 Unspecified disorder of synovium and tendon, other site
• M67.99 Unspecified disorder of synovium and tendon, multiple sites (this code)