M67.51 Plica syndrome, right knee

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 M67.5 Plica syndrome

Applicable to

• Plica knee

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 727.83 Plica syndrome (approximate)

Nearby codes

• M67.479 Ganglion, unspecified ankle and foot
• M67.48 Ganglion, other site
• M67.49 Ganglion, multiple sites
• M67.5 Plica syndrome
• M67.50 Plica syndrome, unspecified knee
• M67.51 Plica syndrome, right knee (this code)
• 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
• M67.81 Other specified disorders of synovium and tendon, shoulder
• M67.811 Other specified disorders of synovium, right shoulder