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K35.210

Billable

Acute appendicitis with generalized peritonitis, without perforation, with abscess

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 spreading throughout the abdominal lining and a contained pocket of infection, without the appendix rupturing.

Coding Tips

  • This code indicates abscess formation without perforation; ensure imaging or operative findings document the abscess
  • Verify that perforation is absent; if perforation is present with abscess, use K35.211

Code Hierarchy

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