Skip to content
HCC Buddy home

M20.31

Billable

Hallux varus (acquired), right foot

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

What This Code Means

A deformity where the big toe turns inward toward the other toes on the right foot, typically developing over time.

Coding Tips

  • •Confirm documentation indicates 'acquired' hallux varus to distinguish from congenital forms
  • •Document any associated pain, functional limitation, or need for orthotic devices for complete clinical picture

Code Hierarchy

└M20Acquired deformities of fingers and toes└M20.3Hallux varus (acquired)└M20.31Hallux varus (acquired), right foot
└M20.31Hallux varus (acquired), right foot

Open M20.31 in the Interactive Encoder

See full code details, AI coding tips, HCC mappings, and related codes in our interactive encoder. Start your 14-day Pro trial — no credit card required.

Open in EncoderStart 14-Day Pro Trial