I33Non-billable (header)
Acute and subacute endocarditis
Related Codes· Other forms of heart disease (I30-I5A)
I30Acute pericarditisI31Other diseases of pericardiumI32Pericarditis in diseases classified elsewhereI34Nonrheumatic mitral valve disordersI35Nonrheumatic aortic valve disordersI36Nonrheumatic tricuspid valve disordersI37Nonrheumatic pulmonary valve disordersI38Endocarditis, valve unspecifiedI39Endocarditis and heart valve disorders in diseases classifie…I40Acute myocarditisI41Myocarditis in diseases classified elsewhereI42Cardiomyopathy
Sub-codes of I33(2)
I33 is a non-billable header. Select a sub-code to bill.
✗ Excludes 1(Not coded here)
- •acute rheumatic endocarditis (I01.1)
- •endocarditis NOS (I38)
Code Hierarchy
┌9Diseases of the circulatory system (I00-I99)├I30-I5AOther forms of heart disease (I30-I5A)├I33Acute and subacute endocarditis
└I33Acute and subacute endocarditis
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