I25.8

Non-billable

Other forms of chronic ischemic heart disease

I25.8 is the ICD-10-CM code for Other forms of chronic ischemic heart disease. It is a non-billable category code — use a more specific child code such as I25.81 for billing.

Status
Header (non-billable)
Chapter
I00-I99
Parent
I25
Subcodes
6
Edition
FY2026

I00-I99 Diseases of the circulatory system

What this means — in plain language

MedlinePlus · NIH

What is atherosclerosis? Atherosclerosis is a condition in which plaque builds up inside your arteries. Plaque is a sticky substance made up of cholesterol , fat, blood cells, calcium, and other substances found in the blood. Over time, plaque hardens and causes your arteries to narrow. That limits the flow of oxygen-rich blood to your body. Some people may confuse atherosclerosis and arteriosclerosis, but they are…

Read more about Atherosclerosis at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code I25.8?
I25.8 is the ICD-10-CM code for "Other forms of chronic ischemic heart disease". It falls under I00-I99 Diseases of the circulatory system.
Is I25.8 a billable code?
No — I25.8 is a non-billable header code. Use a more specific child code (such as I25.81) for billing.
What are the subcodes of I25.8?
I25.8 has 6 more specific child codes, including I25.81, I25.82, I25.83.

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

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