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M20.10

Billable

Hallux valgus (acquired), unspecified foot

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

What This Code Means

A bunion, which is an enlargement and misalignment of the big toe joint that develops over time. The big toe angles toward the other toes, causing pain and difficulty with footwear.

Coding Tips

  • •Use this code when the affected foot is not specified; if documentation indicates right or left foot, use M20.11 or M20.12 instead
  • •Hallux valgus is acquired in this code category, distinguishing it from congenital forms

Code Hierarchy

└M20Acquired deformities of fingers and toes└M20.1Hallux valgus (acquired)└M20.10Hallux valgus (acquired), unspecified foot
└M20.10Hallux valgus (acquired), unspecified foot

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