I79

Non-billable

Disorders of arteries, arterioles and capillaries in diseases classified elsewhere

I79 is the ICD-10-CM code for Disorders of arteries, arterioles and capillaries in diseases classified elsewhere. It is a non-billable category code — use a more specific child code such as I79.0 for billing.

Status
Header (non-billable)
Chapter
I00-I99
Subcodes
3
Edition
FY2026

I00-I99 Diseases of the circulatory system

What this means — in plain language

MedlinePlus · NIH

What are vascular diseases? Your vascular system is your body's network of blood vessels. It includes your: Arteries, which carry oxygen-rich blood from your heart to your tissues and organs Veins, which carry the blood and waste products back to your heart Capillaries, which are tiny blood vessels that connect your small arteries to your small veins. The walls of the capillaries are thin and leaky, to allow for an…

Read more about Vascular Diseases 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 I79?
I79 is the ICD-10-CM code for "Disorders of arteries, arterioles and capillaries in diseases classified elsewhere". It falls under I00-I99 Diseases of the circulatory system.
Is I79 a billable code?
No — I79 is a non-billable header code. Use a more specific child code (such as I79.0) for billing.
What are the subcodes of I79?
I79 has 3 more specific child codes, including I79.0, I79.1, I79.8.

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

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