M24.60 Ankylosis, unspecified joint

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-)

Applies from M24.6 Ankylosis of joint

Excludes1 (never code together)

• stiffness of joint without ankylosis (M25.6-)

Excludes2 (not included here)

• spine (M43.2-)

MS-DRG index

Defines the logic of DRG(s) 553-554 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 718.50 Ankylosis of joint, site unspecified (approximate)

Code annotations containing back-references to M24.60

Back-references to M24.6

• Type 1 Excludes: M25.6 Stiffness of joint, not elsewhere classified ("ankylosis of joint (M24.6-)")

Diagnosis Index entries for M24.60

• Ankylosis (fibrous) (osseous) (joint)

Nearby codes

• M24.574 Contracture, right foot
• M24.575 Contracture, left foot
• M24.576 Contracture, unspecified foot
• M24.59 Contracture, other specified joint
• M24.6 Ankylosis of joint
• M24.60 Ankylosis, unspecified joint (this code)
• M24.61 Ankylosis, shoulder
• M24.611 Ankylosis, right shoulder
• M24.612 Ankylosis, left shoulder
• M24.619 Ankylosis, unspecified shoulder
• M24.62 Ankylosis, elbow