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M21.621

Billable

Bunionette of right foot

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

What This Code Means

A bony bump that develops at the base of the little toe on the right foot, similar to a bunion but occurring on the fifth toe instead of the big toe.

Coding Tips

  • •Bunionette is a deformity of the fifth toe; distinguish from bunion (first toe) which uses M21.61x codes
  • •Document any associated pain, functional impairment, or need for intervention

Code Hierarchy

└M21Other acquired deformities of limbs└M21.6Other acquired deformities of foot└M21.62Bunionette└M21.621Bunionette of right foot
└M21.621Bunionette of right foot

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