I332026
Non-billable
Acute and subacute endocarditis
I33 is a non-billable ICD-10-CM category (header) code for Acute and subacute endocarditis; a more specific code below it is required for claims in the FY2026 code set.
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Related MS-DRGs
10,800 Medicare hospitalizations across 5 DRGs for codes in I33
Top DRGs associated with codes in this category:
Official Guidelines
Chapter 9: Diseases of the Circulatory System
Official coding guidelines for I00-I99