Diagnosis Code: I33.9

Short Description: Acute and subacute endocarditis, unspecified

Long Description: Acute and subacute endocarditis, unspecified

The code I33.9 is VALID for claim submission

Code Classification:

• Diseases of the circulatory system (I00–I99)
  • Other forms of heart disease (I30-I5A)
    • Acute and subacute endocarditis (I33)
      • I33.9 Acute and subacute endocarditis, unspecified

Code Version: 2022 ICD-10-CM

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 endocarditis co-occurrent with human immunodeficiency virus infection
• Acute myocarditis
• Acute myoendocarditis
• Acute nonbacterial endocarditis
• Acute periendocarditis
• Embolism due to non-infective heart valve vegetations
• Heart disease co-occurrent with human immunodeficiency virus infection
• Subacute endocarditis
• Subacute myoendocarditis
• Subacute pericarditis
• Subacute periendocarditis

Diagnostic Related Group(s)

The code I33.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)

• Acute And Subacute Endocarditis With Mcc (288)
• Acute And Subacute Endocarditis With Cc (289)
• Acute And Subacute Endocarditis Without Cc/mcc (290)

References to Index of Diseases and Injuries

The code I33.9 has the following ICD-10-CM references to the Index of Diseases and Injuries

• Inclusion Terms:
  • Acute endocarditis NOS
  • Acute myoendocarditis NOS
  • Acute periendocarditis NOS
  • Subacute endocarditis NOS
  • Subacute myoendocarditis NOS
  • Subacute periendocarditis NOS

Crosswalk Information

Similar Codes

This page was last updated on: 10/1/2023

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