Ascending thoracic aortic aneurysm icd 10 cm July 8, 2019 16 32 64 128 Icd 10 cm code for ascending thoracic aortic aneurysm Ascending aorta aneurysm icd 10 code Ascending aortic aneurysm icd 10 code Ascending aorta aneurysm icd 10 Ascending aorta icd 10