ICD-10-CM category
I39: Endocarditis and heart valve disorders in diseases classified elsewhere
I39 is “Endocarditis and heart valve disorders in diseases classified elsewhere”. It has no subcodes in this category.
Frequently asked questions
What is ICD-10-CM code I39?
I39 is the ICD-10-CM code for Endocarditis and heart valve disorders in diseases classified elsewhere.
Is I39 billable?
Yes — I39 is a valid, billable ICD-10-CM code (it has no further subdivisions).
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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