ICD-10 Code: I71.20 – Thoracic aortic aneurysm, without rupture, unspecified
ICD-10 code I71.20 corresponds to Thoracic aortic aneurysm, without rupture, unspecified. This code is classified under the chapter I71 Aortic aneurysm and dissection, which is part of the I70-I79: Diseases of arteries, arterioles and capillaries category.
The parent chapter is Diseases of the circulatory system.