I70.9

Non-billable

Other and unspecified atherosclerosis

I70.9 is the ICD-10-CM code for Other and unspecified atherosclerosis. It is a non-billable category code — use a more specific child code such as I70.90 for billing.

Status
Header (non-billable)
Chapter
I00-I99
Parent
I70
Subcodes
3
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.

Excludes2 — not included here

  • disorders of pyrophosphate metabolism (E83.82-)

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Conditions mapped to this code

MedlinePlus · NIH

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

Frequently asked questions

What is ICD-10 code I70.9?
I70.9 is the ICD-10-CM code for "Other and unspecified atherosclerosis". It falls under I00-I99 Diseases of the circulatory system.
Is I70.9 a billable code?
No — I70.9 is a non-billable header code. Use a more specific child code (such as I70.90) for billing.
What are the subcodes of I70.9?
I70.9 has 3 more specific child codes, including I70.90, I70.91, I70.92.

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

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