I33
Non-Billable
ChapterI00–I99
Rankcategory
Description
Acute and subacute endocarditis
About ICD-10-CM code I33
The ICD-10-CM tabular list places Acute and subacute endocarditis at code I33, inside I00-I99 Diseases of the Circulatory System, within Other forms of heart disease (I30-I5A). You should not submit this code on claims since it lacks billing specificity, use a child code.
Use a more specific code (2 billable)
Metadata & Insights
- •Non-billable category (requires more specific sub-code).
- •Chapter 9: Diseases of the Circulatory System (I00-I99).
CH9 Parent Instructions
Excludes2(Not included here. Code separately if applicable.)
Clinical Hierarchy
BillableHas subcodes
Applicable Ancestor Context
The following parent sections contain instructions or notes that apply to I33:
MS-DRG Classification
No direct MS-DRG triggers identified.
Cross Reference
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