I28Header code — not billable

Other diseases of pulmonary vessels

Chapter
9. Diseases of the circulatory system
Category
I28
Effective date
October 1, 2026

Related codes in category I28

I28.0Arteriovenous fistula of pulmonary vesselsYesI28.1Aneurysm of pulmonary arteryYesI28.8Other diseases of pulmonary vesselsYesI28.9Disease of pulmonary vessels, unspecifiedYes

Frequently asked questions

What is ICD-10 code I28?

I28 is an ICD-10-CM diagnosis code for Other diseases of pulmonary vessels.

Is I28 a billable code?

No. I28 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is I28 in?

I28 falls under Chapter 9: Diseases of the circulatory system.

When did I28 become effective?

I28 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to I28?

I28 belongs to category I28, which includes 4 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.