M25.861 Other specified joint disorders, right knee

Billable ICD-10-CM code, FY2026.

Applies from M25 Other joint disorder, not elsewhere classified

Excludes2 (not included here)

• abnormality of gait and mobility (R26.-)
• acquired deformities of limb (M20-M21)
• calcification of bursa (M71.4-)
• calcification of shoulder (joint) (M75.3)
• calcification of tendon (M65.2-)
• difficulty in walking (R26.2)
• temporomandibular joint disorder (M26.6-)

MS-DRG index

Defines the logic of DRG(s) 555-556 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 719.86 Other specified disorders of joint, lower leg (approximate)

Nearby codes

• M25.85 Other specified joint disorders, hip
• M25.851 Other specified joint disorders, right hip
• M25.852 Other specified joint disorders, left hip
• M25.859 Other specified joint disorders, unspecified hip
• M25.86 Other specified joint disorders, knee
• M25.861 Other specified joint disorders, right knee (this code)
• M25.862 Other specified joint disorders, left knee
• M25.869 Other specified joint disorders, unspecified knee
• M25.87 Other specified joint disorders, ankle and foot
• M25.871 Other specified joint disorders, right ankle and foot
• M25.872 Other specified joint disorders, left ankle and foot