I27 ICD-10-CM Code: Other pulmonary heart diseases
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
I27Other pulmonary heart diseases
ICD-10-CM diagnosis code · United States clinical modification
Where I27 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 I27
Other pulmonary heart diseases
- 4
Code I27
Other pulmonary heart diseases
Codes under I27
I27 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 I27.
Code first
No “code first” instruction is listed for I27.
Use additional code
No “use additional code” instruction is listed for I27.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for I27.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for I27.
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 I27 mean?
I27 is the FY 2027 U.S. ICD-10-CM code for “Other pulmonary heart diseases.”
Is I27 a billable or specific ICD-10-CM code?
No. I27 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 I27 located in ICD-10-CM?
I27 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 I27, Other pulmonary heart diseases.
What coding notes are listed for I27?
No inclusion terms are listed for I27 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.