ICD-10-CM K35.201: Acute appendicitis with generalized peritonitis, with perforation, without abscess

ICD-10-CM Diagnosis Code (2025)

Official Description for K35.201

Acute appendicitis with generalized peritonitis, with perforation, without abscess

Coding Notes & Guidelines for K35.201

Inclusion Terms

Appendicitis (acute) with generalized (diffuse) peritonitis following rupture or perforation of appendix NOS

Parent Code (Less Specific):

About ICD-10-CM Code K35.201 (Acute appendicitis with generalized peritonitis)

ICD-10-CM code K35.201 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM K35.201 became effective on October 1, 2024.

This page provides detailed information about K35.201 - Acute appendicitis with generalized peritonitis, with perforation, without abscess. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Acute appendicitis with generalized peritonitis related to perforation, abscess.