M25.439 Effusion, unspecified wrist

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-)

Applies from M25.4 Effusion of joint

Excludes1 (never code together)

• hydrarthrosis in yaws (A66.6)
• intermittent hydrarthrosis (M12.4-)
• other infective (teno)synovitis (M65.1-)

MS-DRG index

Defines the logic of DRG(s) 564-566 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 719.03 Effusion of joint, forearm (approximate)

Code annotations containing back-references to M25.439

Back-references to M25.4

• Type 1 Excludes: R22 Localized swelling, mass and lump of skin and subcutaneous tissue ("swelling of joint (M25.4-)")

Nearby codes

• M25.422 Effusion, left elbow
• M25.429 Effusion, unspecified elbow
• M25.43 Effusion, wrist
• M25.431 Effusion, right wrist
• M25.432 Effusion, left wrist
• M25.439 Effusion, unspecified wrist (this code)
• M25.44 Effusion, hand
• M25.441 Effusion, right hand
• M25.442 Effusion, left hand
• M25.449 Effusion, unspecified hand
• M25.45 Effusion, hip