M24.9 Joint derangement, unspecified

Billable ICD-10-CM code, FY2026.

Applies from M24 Other specific joint derangements

Excludes1 (never code together)

• current injury - see injury of joint by body region

Excludes2 (not included here)

• ganglion (M67.4)
• snapping knee (M23.8-)
• temporomandibular joint disorders (M26.6-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 718.90 Unspecified derangement of joint, site unspecified (approximate)

Diagnosis Index entries for M24.9

• Derangement › joint (internal)

Nearby codes

• M24.873 Other specific joint derangements of unspecified ankle, not elsewhere classified
• M24.874 Other specific joint derangements of right foot, not elsewhere classified
• M24.875 Other specific joint derangements left foot, not elsewhere classified
• M24.876 Other specific joint derangements of unspecified foot, not elsewhere classified
• M24.89 Other specific joint derangement of other specified joint, not elsewhere classified
• M24.9 Joint derangement, unspecified (this code)