M24.573 Contracture, unspecified ankle

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 M24.5 Contracture of joint

Excludes1 (never code together)

• contracture of muscle without contracture of joint (M62.4-)
• contracture of tendon (sheath) without contracture of joint (M62.4-)
• Dupuytren's contracture (M72.0)

Excludes2 (not included here)

• acquired deformities of limbs (M20-M21)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 718.47 Contracture of joint, ankle and foot (approximate)

Code annotations containing back-references to M24.573

Back-references to M24.5

• Type 1 Excludes: M25.6 Stiffness of joint, not elsewhere classified ("contracture of joint (M24.5-)")
• Type 1 Excludes: M62.4 Contracture of muscle ("contracture of joint (M24.5-)")

Nearby codes

• M24.562 Contracture, left knee
• M24.569 Contracture, unspecified knee
• M24.57 Contracture, ankle and foot
• M24.571 Contracture, right ankle
• M24.572 Contracture, left ankle
• M24.573 Contracture, unspecified ankle (this code)
• 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