M25.20 Flail joint, unspecified joint

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) 564-566 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 718.80 Other joint derangement, not elsewhere classified, site unspecified (approximate)

Diagnosis Index entries for M25.20

• Flail › joint (paralytic)

Nearby codes

• M25.174 Fistula, right foot
• M25.175 Fistula, left foot
• M25.176 Fistula, unspecified foot
• M25.18 Fistula, other specified site
• M25.2 Flail joint
• M25.20 Flail joint, unspecified joint (this code)
• M25.21 Flail joint, shoulder
• M25.211 Flail joint, right shoulder
• M25.212 Flail joint, left shoulder
• M25.219 Flail joint, unspecified shoulder
• M25.22 Flail joint, elbow