I70.0 — Atherosclerosis of aorta

I70.0

ICD-10 Chapter 9: Circulatory System — illustrative image — Chapter 9: Diseases of the circulatory system (I00–I99) — illustrative image

What this code means

Atherosclerosis of the aorta: fatty plaque build-up in the body's main artery.

Also called: aortic atherosclerosis, atherosclerosis of aorta.

When this code is used

Used for atherosclerosis of the aorta.

Where it sits in ICD-10-CM

Code I70.0 belongs to Chapter 9: Diseases of the circulatory system, which covers codes I00–I99 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.

Related anatomy

Aorta

Frequently asked questions

What is ICD-10-CM code I70.0?

I70.0 is the ICD-10-CM diagnosis code for “Atherosclerosis of aorta”. Atherosclerosis of the aorta: fatty plaque build-up in the body's main artery.

When is code I70.0 used?

Used for atherosclerosis of the aorta. It belongs to Chapter 9 of ICD-10-CM (Diseases of the circulatory system).

This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.