2027 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 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

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
Short Description
Other diseases of pulmonary vessels
Same as the full description in the CMS dataset.
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

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to I28: its own notes plus those printed at Chapter 9. A note printed at a category, block or chapter applies to every code under it.

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Chapter 9 (I00-I99) Diseases of the circulatory system applies to 1,433 codes
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • transient cerebral ischemic attacks and related syndromes (G45.-)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name I28, its category, or a range that includes it.

Excludes2 1

These codes carry an Excludes2 note naming I28: its condition is not part of those codes, and both may be reported when the patient has both.

  • I77 Other disorders of arteries and arterioles
    pulmonary artery (I28.-)

Patient EducationClinical

Vascular Diseases

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

The full article covers:

  • What are vascular diseases?
  • What causes vascular diseases?
  • Who is at risk for vascular diseases?
  • What are the symptoms of vascular diseases?
  • How are vascular diseases diagnosed?
  • How are vascular diseases treated?
  • Can vascular diseases be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About I28Overview

What is the ICD-10 code for other diseases of pulmonary vessels?

I28 is the ICD-10-CM category for other diseases of pulmonary vessels, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

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.