I28 ICD-10-CM Code: Other diseases of pulmonary vessels
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
I28Other diseases of pulmonary vessels
ICD-10-CM diagnosis code · United States clinical modification
Where I28 sits
- 1
Chapter 9
Diseases of the circulatory system (I00-I99)
- 2
Section
Pulmonary heart disease and diseases of pulmonary circulation (I26-I28)
- 3
Category I28
Other diseases of pulmonary vessels
- 4
Code I28
Other diseases of pulmonary vessels
Codes under I28
I28 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
No inclusion terms are listed for I28.
Code first
No “code first” instruction is listed for I28.
Use additional code
No “use additional code” instruction is listed for I28.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for I28.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for I28.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code I28 mean?
I28 is the FY 2027 U.S. ICD-10-CM code for “Other diseases of pulmonary vessels.”
Is I28 a billable or specific ICD-10-CM code?
No. I28 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is I28 located in ICD-10-CM?
I28 is listed in Chapter 9, Diseases of the circulatory system (I00-I99), within Pulmonary heart disease and diseases of pulmonary circulation (I26-I28) (I26–I28), under category I28, Other diseases of pulmonary vessels.
What coding notes are listed for I28?
No inclusion terms are listed for I28 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.