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ICD-10-CM/Diseases of the circulatory system

I26-I28

Pulmonary heart disease and diseases of pulmonary circulation (I26-I28)

I26-I28 contains 3 categories and 41 ICD-10-CM codes for FY2027.

I26Pulmonary embolism12 billable
I27Other pulmonary heart diseases17 billable
I28Other diseases of pulmonary vessels4 billable

Every ICD-10-CM code, and whether you can actually bill it

Built directly from the official ICD-10-CM FY2027 release published by the CDC / National Center for Health Statistics and CMS.

FY2027 codes are valid for encounters from October 1, 2026 through September 30, 2027.

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Billable vs Non-Billable ICD-10 Codes Explained
Excludes1 vs Excludes2 in ICD-10-CM: The Difference
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