I71: Aortic aneurysm and dissection


In outpatient care, the ICD code on medical documents is always appended with a diagnostic confidence indicator (A, G, V or Z): A (excluded diagnosis), G (confirmed diagnosis), V (tentative diagnosis) and Z (condition after a confirmed diagnosis).


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Abdominal aortic aneurysm

An abdominal aortic aneurysm occurs when part of the aorta in the abdomen stretches and bulges outward. It is usually harmless but, if it ruptures, it is a life-threatening emergency.