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Aneurysm and dissection of unspecified artery

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In short

An aneurysm is a bulge or ballooning in the wall of an artery, which is a blood vessel that carries oxygen-rich blood from the heart to other parts of the body. These bulges can develop and become large before causing any symptoms, and if they burst, they can cause dangerous bleeding, death, or a stroke if located in the brain. Aneurysms most commonly occur in the aorta, but they can also happen in the brain, heart, and other parts of the body. They are often found by chance during imaging tests done for other reasons, and the two main treatments are medicines and surgery.

Source: MedlinePlus, National Library of Medicine.

AI-generated summary of the sources cited on this page, checked automatically against them. Not reviewed by a clinician; not medical advice.

Codes

ICD-10: I72
ICD-11: BD51.Z Aneurysm and dissection of unspecified artery

Description

An aneurysm is a bulge or "ballooning" in the wall of an artery. Arteries are blood vessels that carry oxygen-rich blood from the heart to other parts of the body. If an aneurysm grows large, it can burst and cause dangerous bleeding or even death.
Most aneurysms occur in the aorta, the main artery that runs from the heart through the chest and abdomen. Aneurysms also can happen in arteries in the brain, heart and other parts of the body. If an aneurysm in the brain bursts, it causes a stroke.
Aneurysms can develop and become large before causing any symptoms. Often doctors can stop aneurysms from bursting if they find and treat them early. They use imaging tests to find aneurysms. Often aneurysms are found by chance during tests done for other reasons. Medicines and surgery are the two main treatments for aneurysms.
NIH: National Heart, Lung, and Blood Institute

Source: MedlinePlus, National Library of Medicine.

Next to it in ICD-10

Neighbouring codes in the classification, not a medical link.

External resources

Questions

What is the ICD-10 code for Aneurysm and dissection of unspecified artery?

I72 (WHO, International Classification of Diseases, 10th Revision).

What is the ICD-11 code for Aneurysm and dissection of unspecified artery?

BD51.Z: Aneurysm and dissection of unspecified artery (WHO, ICD-11 for Mortality and Morbidity Statistics).

Sources and attribution

Names other than the official source titles: Anpheros translations and plain-language names, made with AI assistance and checked automatically; the source names are in English.
Source: MedlinePlus, National Library of Medicine.
ICD-10 codes and titles © World Health Organization. Source: WHO, International Classification of Diseases, 10th Revision (2019).

Anpheros Search catalog 2026.10.5, published 17 October 2026. About the data →

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