ICD-10-CM FY2027 diagnosis code

K35.210: Acute appendicitis with generalized peritonitis, without perforation, with abscess

Billable codeValid for dates of service October 1, 2026 to September 30, 2027

K35.210 is a billable ICD-10-CM diagnosis code for acute appendicitis with generalized peritonitis, without perforation, with abscess. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.

K35.210 questions

Is K35.210 a billable code?

Yes. K35.210 is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.

What does K35.210 mean?

K35.210 is the ICD-10-CM code for Acute appendicitis with generalized peritonitis, without perforation, with abscess. It is in chapter 11, Diseases of the digestive system (K00-K95).

Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.