ICD-10-CM

ICD-10 code for Insufficiency, insufficient valve, valvular (heart): I38

The ICD-10-CM index points "Insufficiency, insufficient valve, valvular (heart)" to I38, Endocarditis, valve unspecified. I38 is a billable code.

Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page

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A header groups codes and is not billed. A billable code is one you can report.

Excludes1 means these codes are not reported together.

What is the ICD-10 code for Insufficiency, insufficient valve, valvular (heart)?

The ICD-10-CM index points "Insufficiency, insufficient valve, valvular (heart)" to I38, Endocarditis, valve unspecified. I38 is a billable code.

Is I38 billable?

Yes. I38 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.

What documentation notes apply to I38?

The CDC tabular list gives 4 Excludes1 notes (not coded together) for I38 and the categories above it. They are listed on this page.

What chapter is I38 in?

Chapter 9. Diseases of the circulatory system.

When do ICD-10-CM codes change?

Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.