M20.20

M20.20

Billable

Hallux rigidus, unspecified foot

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A condition where the big toe joint becomes stiff and rigid, limiting its ability to bend, affecting an unspecified foot.

Coding Tips

•Use this code only when the affected foot is not specified; if documentation indicates right or left foot, use M20.21 or M20.22 instead
•This condition is often associated with osteoarthritis and may require documentation of severity or functional limitation

Code Hierarchy

└M20Acquired deformities of fingers and toes └M20.2Hallux rigidus └M20.20Hallux rigidus, unspecified foot

└M20.20Hallux rigidus, unspecified foot