I28.9Billable

Disease of pulmonary vessels, unspecified

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

Related codes in category I28

I28Other diseases of pulmonary vesselsI28.0Arteriovenous fistula of pulmonary vesselsYesI28.1Aneurysm of pulmonary arteryYesI28.8Other diseases of pulmonary vesselsYes

Frequently asked questions

What is ICD-10 code I28.9?

I28.9 is an ICD-10-CM diagnosis code for Disease of pulmonary vessels, unspecified.

Is I28.9 a billable code?

Yes. I28.9 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is I28.9 in?

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

When did I28.9 become effective?

I28.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to I28.9?

I28.9 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.