2025
ICD-10-CM
Diagnosis
Code

K35.33 Acute appendicitis with perforation, localized peritonitis, and gangrene, with abscess

  • Billable
  • 2019–2025

K35.33 is a billable/specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Acute appendicitis with perforation, localized peritonitis, and gangrene, with abscess.

Inclusion term

  • Acute) appendicitis with (peritoneal) abscess NOS

  • Ruptured appendix with localized peritonitis and abscess

Versions

  1. 2025

    No changes

  2. 2024

    No changes

  3. 2023

    Code changed

    • Description

        • Acute appendicitis with perforation and localized peritonitis, with abscess
        • Acute appendicitis with perforation, localized peritonitis, and gangrene, with abscess
    • Short description

        • Acute appendicitis with perf and loc peritonitis, with abscs
        • Ac appendicitis with perf, loc peritonitis, and gangr, wbscs
  4. 2022

    No changes

  5. 2021

    No changes

  6. 2020

    No changes

  7. 2019

    New code