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N80.541

Billable

Superficial endometriosis of the appendix

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

What This Code Means

Endometrial tissue grows in the appendix at a superficial level, affecting only the outer layers of the appendiceal wall.

Coding Tips

  • •Appendiceal endometriosis is relatively rare; superficial involvement is limited to mucosa and submucosa
  • •Distinguish from deep endometriosis (N80.542) which penetrates into deeper structures

Code Hierarchy

└N80Endometriosis└N80.5Endometriosis of intestine└N80.54Endometriosis of the appendix└N80.541Superficial endometriosis of the appendix
└N80.541Superficial endometriosis of the appendix

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