I71.40 — Abdominal aortic aneurysm, without rupture, unspecified

I71.40

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

What this code means

An abdominal aortic aneurysm is a widening of the aorta in the abdomen; this code is for one that has not ruptured.

Also called: abdominal aortic aneurysm, aaa.

When this code is used

Used for abdominal aortic aneurysm without rupture.

Where it sits in ICD-10-CM

Code I71.40 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 symptoms

Abdominal pain

Related anatomy

Aorta

Watch: related videos

▶ WatchEndovascular repair for abdominal aortic aneurysm ▶ WatchAbdominal aortic aneurysm ▶ WatchAbdominal aortic aneurysm repair

Frequently asked questions

What is ICD-10-CM code I71.40?

I71.40 is the ICD-10-CM diagnosis code for “Abdominal aortic aneurysm, without rupture, unspecified”. An abdominal aortic aneurysm is a widening of the aorta in the abdomen; this code is for one that has not ruptured.

When is code I71.40 used?

Used for abdominal aortic aneurysm without rupture. 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.