Atherosclerosis abdominal aorta icd 10 code July 8, 2019 16 32 64 128 Abdominal aortic atherosclerosis icd 10 Atherosclerosis of aorta icd 10 Atherosclerosis of thoracic aorta icd 10 Aortic atherosclerosis icd 10 Atherosclerosis icd 9