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K35.891

Billable

Other acute appendicitis without perforation, with gangrene

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

What This Code Means

Acute inflammation of the appendix with tissue death but without rupture, in cases not fitting standard categories.

Coding Tips

  • This code indicates gangrene is present but perforation is absent
  • Use only when the presentation doesn't align with K35.31 or other standard acute appendicitis codes

Code Hierarchy

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