ICD-9 Diagnosis Code 540.0

Ac append w peritonitis

Diagnosis Code 540.0

ICD-9: 540.0
Short Description: Ac append w peritonitis
Long Description: Acute appendicitis with generalized peritonitis
This is the 2014 version of the ICD-9-CM diagnosis code 540.0

Code Classification
  • Diseases of the digestive system (520–579)
    • Appendicitis (540-543)
      • 540 Acute appendicitis

Information for Medical Professionals

Convert to ICD-10 Additional informationCallout TooltipGeneral Equivalence Map
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.
  • K35.2 - Acute appendicitis with generalized peritonitis

Index of Diseases and Injuries
References found for the code 540.0 in the Index of Diseases and Injuries:

    • Appendicitis 541
      • with
        • perforation, peritonitis (generalized), or rupture 540.0
          • with peritoneal abscess 540.1
      • acute (catarrhal) (fulminating) (gangrenous) (inflammatory) (obstructive) (retrocecal) (suppurative) 540.9
        • with
          • perforation, peritonitis, or rupture 540.0
            • with peritoneal abscess 540.1
    • Perforation, perforative (nontraumatic)
      • appendix 540.0
        • with peritoneal abscess 540.1
      • cecum 540.0
        • with peritoneal abscess 540.1
    • Peritonitis (acute) (adhesive) (fibrinous) (hemorrhagic) (idiopathic) (localized) (perforative) (primary) (with adhesions) (with effusion) 567.9
      • with or following
        • appendicitis 540.0
          • with peritoneal abscess 540.1
    • Rupture, ruptured 553.9
      • appendix (with peritonitis) 540.0
        • with peritoneal abscess 540.1
        • traumatic - see Injury, internal, gastrointestinal tract
      • cecum (with peritonitis) 540.0
        • with peritoneal abscess 540.1
        • traumatic 863.89
          • with open wound into cavity 863.99

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
  • Appendicitis - NIH (National Institute of Diabetes and Digestive and Kidney Diseases)
  • Appendicitis


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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.

  • Abdominal tap
  • Peritoneal fluid analysis
  • Peritoneal fluid culture
  • Peritonitis
  • Peritonitis - secondary
  • Peritonitis - spontaneous
  • Retroperitoneal inflammation


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