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3. Chapter - K00-K95
4. Section - K35-K38
5. Category - K35
6. K35.33

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

• Applicable to Acute appendicitis with perforation, localized peritonitis, and gangrene, with abscess
• The 2025 edition of ICD10-CM K35.33 became effective on October 1, 2024.
• This is the American ICD10-CM version of K35.33 - other international versions of ICD10 K35.33 may differ.
• K35.33 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• (Acute) appendicitis with (peritoneal) abscess NOS
• Ruptured appendix with localized peritonitis and abscess

The following codes above K35.33 contain annotation back-references that may be applicable to K35.33:

• Chapter: K00-K95 - Diseases of the digestive system
• Section: K35-K38 - Diseases of appendix
• Category: K35 - Acute appendicitis

Browse other similar CM codes:

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.