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M20.22

Billable

Hallux 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

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