I77 - Other disorders of arteries and arterioles
I77.8 - Other specified disorders of arteries and arterioles
I77.81 - Aortic ectasia
I77.810 - Thoracic aortic ectasia
I77.811 - Abdominal aortic ectasia
I77.812 - Thoracoabdominal aortic ectasia
I77.819 - Aortic ectasia, unspecified site
I77.89 - Other specified disorders of arteries and arterioles