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N36.0

Billable

Urethral fistula

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

What This Code Means

An abnormal opening or tunnel in the urethra that allows urine to leak into surrounding tissues or to the skin surface.

Coding Tips

  • •Document the location and type of fistula (urethrocutaneous, urethrovaginal, etc.) when available for clinical clarity
  • •Distinguish from urethral diverticulum (N36.1), which is a pouch rather than a fistula tract

Excludes 1 — Do NOT code together

  • urethroscrotal fistula (N50.89)
  • urethrovaginal fistula (N82.1)
  • urethrovesicovaginal fistula (N82.1)

Code Hierarchy

└N36Other disorders of urethra└N36.0Urethral fistula
└N36.0Urethral fistula

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