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K35.30

Billable

Acute appendicitis with localized peritonitis, without perforation or 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 infection limited to a specific area of the abdominal lining, without rupture or tissue death.

Coding Tips

  • •This is the least severe K35.3x variant; confirm no perforation, gangrene, or abscess is documented
  • •Use this code when peritonitis is clearly localized rather than generalized

Code Hierarchy

└K35Acute appendicitis└K35.3Acute appendicitis with localized peritonitis└K35.30Acute appendicitis with localized peritonitis, without perforation or gangrene
└K35.30Acute appendicitis with localized peritonitis, without perforation or gangrene

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