2026 ICD-10-CM Diagnosis Code I28Other diseases of pulmonary vessels

ICD-10-CM Codes›I00–I99›I26-I28›I28

ICD-10-CM I28
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

I28 is a non-billable ICD-10-CM category code for other diseases of pulmonary vessels, so it cannot be submitted on claims. Use a more specific code from this category instead, such as I28.0, I28.1, I28.8, and I28.9.

Code Identity

ICD-10-CM Code
I28
Billable Status
No — Non-Billable Category
Code Describes
Other diseases of pulmonary vessels
Chapter
I26-I28
Pulmonary heart disease and diseases of pulmonary circulation

Code Classification

ChapterI00–I99Diseases of the circulatory system
SectionI26-I28Pulmonary heart disease and diseases of pulmonary circulation
CategoryI28Other diseases of pulmonary vessels
This CodeI28Other diseases of pulmonary vessels

Specific Coding for Other diseases of pulmonary vesselsOverview

Non-specific codes like I28 require more characters. Use one of these billable codes instead:

  • Use I28.0 for Arteriovenous fistula of pulmonary vessels

  • Use I28.1 for Aneurysm of pulmonary artery

  • Use I28.8 for Other diseases of pulmonary vessels

  • Use I28.9 for Disease of pulmonary vessels, unspecified

Patient EducationClinical

Vascular Diseases

Your vascular system is your body's network of blood vessels. It includes your:

The full article covers:

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Read the full article at MedlinePlus

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Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About I28Overview

Is I28 (Other diseases of pulmonary vessels) a billable code?

No. This is a category header that groups the codes for other diseases of pulmonary vessels, and headers cannot be submitted on claims. Claims for other diseases of pulmonary vessels need a more specific code from this category, such as I28.0, I28.1, and I28.8.