M25.37 Other instability, ankle and foot

Non-billable header with 6 child codes.

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 M25.3 Other instability of joint

Excludes1 (never code together)

• instability of joint secondary to old ligament injury (M24.2-)
• instability of joint secondary to removal of joint prosthesis (M96.8-)

Excludes2 (not included here)

• spinal instabilities (M53.2-)

Codes under M25.37

• M25.371 Other instability, right ankle
• M25.372 Other instability, left ankle
• M25.373 Other instability, unspecified ankle
• M25.374 Other instability, right foot
• M25.375 Other instability, left foot
• M25.376 Other instability, unspecified foot

Diagnosis Index entries for M25.37

• Instability › joint (post-traumatic) › ankle
• Instability › joint (post-traumatic) › foot

Nearby codes

• M25.359 Other instability, unspecified hip
• M25.36 Other instability, knee
• M25.361 Other instability, right knee
• M25.362 Other instability, left knee
• M25.369 Other instability, unspecified knee
• M25.37 Other instability, ankle and foot (this code)
• M25.371 Other instability, right ankle
• M25.372 Other instability, left ankle
• M25.373 Other instability, unspecified ankle
• M25.374 Other instability, right foot
• M25.375 Other instability, left foot