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M21.612

Billable

Bunion of left 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 big toe on the left foot, causing the big toe to angle toward the other toes and creating a prominent bump on the side of the foot.

Coding Tips

  • •Bunion is a common foot deformity; document if it's causing pain or functional limitation
  • •Distinguish from bunionette (fifth toe deformity) which uses M21.62x codes

Code Hierarchy

└M21Other acquired deformities of limbs└M21.6Other acquired deformities of foot└M21.61Bunion└M21.612Bunion of left foot
└M21.612Bunion of left foot

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