I33Acute and subacute endocarditis
ICD-10-CM category (non-billable header) code — part of Other forms of heart disease (I30-I5A)
Coding Notes
Excludes1 (never code both together)
- acute rheumatic endocarditis (I01.1)
- endocarditis NOS (I38)
Subcategories (2)
- I33.0 Acute and subacute infective endocarditis
- I33.9 Acute and subacute endocarditis, unspecified