M67.80 Other specified disorders of synovium and tendon, 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)

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 M67.80

• Disorder (of) › synovium › specified type NEC
• Disorder (of) › tendon › specified type NEC

Nearby codes

• M67.5 Plica syndrome
• M67.50 Plica syndrome, unspecified knee
• M67.51 Plica syndrome, right knee
• M67.52 Plica syndrome, left knee
• M67.8 Other specified disorders of synovium and tendon
• M67.80 Other specified disorders of synovium and tendon, unspecified site (this code)
• M67.81 Other specified disorders of synovium and tendon, shoulder
• M67.811 Other specified disorders of synovium, right shoulder
• M67.812 Other specified disorders of synovium, left shoulder
• M67.813 Other specified disorders of tendon, right shoulder
• M67.814 Other specified disorders of tendon, left shoulder