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N64.0

Billable

Fissure and fistula of nipple

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

What This Code Means

A crack, break, or abnormal opening in the nipple tissue that may discharge fluid or become infected.

Coding Tips

  • •Distinguish between fissure (crack) and fistula (abnormal channel); documentation should clarify which condition is present
  • •May be associated with breastfeeding or other causes

Code Hierarchy

└N64Other disorders of breast└N64.0Fissure and fistula of nipple
└N64.0Fissure and fistula of nipple

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