M20.22
BillableHallux rigidus, left 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 on the left foot, limiting its ability to bend.
Coding Tips
- •Always verify laterality is documented as 'left' before assigning this code
- •This code should not be used if the foot side is unspecified or bilateral; use appropriate bilateral coding if both feet are affected
Code Hierarchy
└M20Acquired deformities of fingers and toes└M20.2Hallux rigidus└M20.22Hallux rigidus, left foot
└M20.22Hallux rigidus, left foot