ICD-10 Diagnosis Code K35.3

Acute appendicitis with localized peritonitis

Diagnosis Code K35.3

ICD-10: K35.3
Short Description: Acute appendicitis with localized peritonitis
Long Description: Acute appendicitis with localized peritonitis
This is the 2017 version of the ICD-10-CM diagnosis code K35.3

Valid for Submission
The code K35.3 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the digestive system (K00–K93)
    • Diseases of appendix (K35-K38)
      • Acute appendicitis (K35)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code K35.3 is grouped in the following Diagnostic Related Group(s) (MS-DRG V34.0)

  • 338 - APPENDECTOMY WITH COMPLICATED PRINCIPAL DIAGNOSIS WITH MCC
  • 339 - APPENDECTOMY WITH COMPLICATED PRINCIPAL DIAGNOSIS WITH CC
  • 340 - APPENDECTOMY WITH COMPLICATED PRINCIPAL DIAGNOSIS WITHOUT CC/MCC
  • 341 - APPENDECTOMY WITHOUT COMPLICATED PRINCIPAL DIAGNOSIS WITH MCC
  • 342 - APPENDECTOMY WITHOUT COMPLICATED PRINCIPAL DIAGNOSIS WITH CC
  • 343 - APPENDECTOMY WITHOUT COMPLICATED PRINCIPAL DIAGNOSIS WITHOUT CC/MCC

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The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

Synonyms
  • Acute appendicitis with localized peritonitis
  • Acute appendicitis with peritoneal abscess
  • Acute appendicitis with peritonitis
  • Pericecal abscess

Index of Diseases and Injuries
References found for the code K35.3 in the Index of Diseases and Injuries:


Information for Patients


Appendicitis

The appendix is a small, tube-like organ attached to the first part of the large intestine. It is located in the lower right part of the abdomen. It has no known function. A blockage inside of the appendix causes appendicitis. The blockage leads to increased pressure, problems with blood flow, and inflammation. If the blockage is not treated, the appendix can burst and spread infection into the abdomen. This causes a condition called peritonitis.

The main symptom is pain in the abdomen, often on the right side. It is usually sudden and gets worse over time. Other symptoms may include

  • Swelling in the abdomen
  • Loss of appetite
  • Nausea and vomiting
  • Constipation or diarrhea
  • Inability to pass gas
  • Low fever

Not everyone with appendicitis has all these symptoms.

Appendicitis is a medical emergency. Treatment almost always involves removing the appendix. Anyone can get appendicitis, but it is more common among people 10 to 30 years old.

NIH: National Institute of Diabetes and Digestive and Kidney Diseases

  • Appendectomy (Medical Encyclopedia)
  • Appendicitis (Medical Encyclopedia)


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Peritoneal Disorders

Your peritoneum is the tissue that lines your abdominal wall and covers most of the organs in your abdomen. A liquid, peritoneal fluid, lubricates the surface of this tissue.

Disorders of the peritoneum are not common. They include

  • Peritonitis - an inflammation of the peritoneum
  • Cancer
  • Complications from peritoneal dialysis

Your doctor may use imaging tests or lab tests to analyze the peritoneal fluid to diagnose the problem. Treatment of peritoneal disorders depends on the cause.

  • Peritonitis (Medical Encyclopedia)
  • Peritonitis - secondary (Medical Encyclopedia)
  • Peritonitis - spontaneous (Medical Encyclopedia)
  • Retroperitoneal inflammation (Medical Encyclopedia)


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