I27

Non-billable

Other pulmonary heart diseases

I27 is the ICD-10-CM code for Other pulmonary heart diseases. It is a non-billable category code — use a more specific child code such as I27.0 for billing.

Status
Header (non-billable)
Chapter
I00-I99
Subcodes
5
Edition
FY2026

I00-I99 Diseases of the circulatory system

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code I27?
I27 is the ICD-10-CM code for "Other pulmonary heart diseases". It falls under I00-I99 Diseases of the circulatory system.
Is I27 a billable code?
No — I27 is a non-billable header code. Use a more specific child code (such as I27.0) for billing.
What are the subcodes of I27?
I27 has 5 more specific child codes, including I27.0, I27.1, I27.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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