ICD-10 Diagnosis Code I33.9

Acute and subacute endocarditis, unspecified

Diagnosis Code I33.9

ICD-10: I33.9
Short Description: Acute and subacute endocarditis, unspecified
Long Description: Acute and subacute endocarditis, unspecified
This is the 2017 version of the ICD-10-CM diagnosis code I33.9


Code Classification
  • Diseases of the circulatory system (I00–I99)
    • Other forms of heart disease (I30-I52)
      • Acute and subacute endocarditis (I33)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code I33.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG v33.0)

  • ACUTE AND SUBACUTE ENDOCARDITIS WITH MCC 288
  • ACUTE AND SUBACUTE ENDOCARDITIS WITH CC 289
  • ACUTE AND SUBACUTE ENDOCARDITIS WITHOUT CC/MCC 290

Convert to ICD-9 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.
  • 421.9 - Ac/subac endocardit NOS

Synonyms
  • Abscess at site of interatrial communication
  • Abscess at site of ventricular septal defect
  • Abscess of cardiac septum
  • Abscess of cardiac septum
  • Acute and subacute endocarditis
  • Acute endocarditis
  • Acute myoendocarditis
  • Acute nonbacterial endocarditis
  • Acute periendocarditis
  • Subacute endocarditis
  • Subacute myoendocarditis
  • Subacute pericarditis
  • Subacute periendocarditis

Index of Diseases and Injuries
References found for the code I33.9 in the Index of Diseases and Injuries:


Information for Patients


Endocarditis

Endocarditis, also called infective endocarditis (IE), is an inflammation of the inner lining of the heart. The most common type, bacterial endocarditis, occurs when germs enter your heart. These germs come through your bloodstream from another part of your body, often your mouth. Bacterial endocarditis can damage your heart valves. If untreated, it can be life-threatening. It is rare in healthy hearts.

Risk factors include having

  • An abnormal or damaged heart valve
  • An artificial heart valve
  • Congenital heart defects

The signs and symptoms of IE can vary from person to person. They also can vary over time in the same person. Symptoms you might notice include fever, shortness of breath, fluid buildup in your arms or legs, tiny red spots on your skin, and weight loss. Your doctor will diagnose IE based on your risk factors, medical history, signs and symptoms, and lab and heart tests.

Early treatment can help you avoid complications. Treatment usually involves high-dose antibiotics. If your heart valve is damaged, you may need surgery.

If you're at risk for IE, brush and floss your teeth regularly, and have regular dental checkups. Germs from a gum infection can enter your bloodstream. If you are at high risk, your doctor might prescribe antibiotics before dental work and certain types of surgery.

NIH: National Heart, Lung, and Blood Institute

  • Culture-negative endocarditis
  • Endocarditis
  • Endocarditis - children


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