Specific code icon 2014 ICD-10-CM Diagnosis Code K35.3

Acute appendicitis with localized peritonitis

  • K35.3 is a billable ICD-10-CM code that can be used to specify a diagnosis.
  • On October 1, 2014 ICD-10-CM will replace ICD-9-CM in the United States, therefore, K35.3 and all other ICD-10-CM codes should only be used for training or planning purposes until then.
Applicable To
  • Acute appendicitis with or without perforation or rupture NOS
  • Acute appendicitis with or without perforation or rupture with localized peritonitis
  • Acute appendicitis with peritoneal abscess
Description Synonyms
  • Acute appendicitis w localized peritonitis
  • Acute appendicitis w peritoneal abscess
  • Localized peritonitis due to acute appendicitis
ICD-10-CM K35.3 is grouped within Diagnostic Related Group(s) (MS-DRG v30.0):
  • 338 Appendectomy with complicated principal diag with mcc
  • 339 Appendectomy with complicated principal diag with cc
  • 340 Appendectomy with complicated principal diag without cc/mcc
  • 341 Appendectomy without complicated principal diag with mcc
  • 342 Appendectomy without complicated principal diag with cc
  • 343 Appendectomy without complicated principal diag without cc/mcc
  • 371 Major gastrointestinal disorders & peritoneal infections with mcc
  • 372 Major gastrointestinal disorders & peritoneal infections with cc
  • 373 Major gastrointestinal disorders & peritoneal infections without cc/mcc
Convert ICD-10-CM K35.3 to ICD-9-CM
The following ICD-10-CM Index entries contain back-references to ICD-10-CM K35.3: