2024 ICD-10-CM Diagnosis Code K35.201

Acute appendicitis with generalized peritonitis, with perforation, without abscess

  • K35.201 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Ac appendicitis with gen peritonitis, with perf, w/o abscs
  • ICD-10-CM K35.201 is a new 2024 ICD-10-CM code that became effective on October 1, 2023.
  • This is the American ICD-10-CM version of K35.201 – other international versions of ICD-10 K35.201 may differ.

Applicable To

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

The following code(s) above K35.201 contain annotation back-references

 that may be applicable to K35.201:

  • K00-K95  Diseases of the digestive system

ICD-10-CM K35.201 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 371 Major gastrointestinal disorders and peritoneal infections with mcc
  • 372 Major gastrointestinal disorders and peritoneal infections with cc
  • 373 Major gastrointestinal disorders and peritoneal infections without cc/mcc

Code History

  • 2024 (effective 10/1/2023): New code

Diagnosis Index entries containing back-references to K35.201: