Ruptured aneurysm of descending thoracic aorta icd 10 July 8, 2019 16 32 64 128 Aneurysm of descending thoracic aorta unspecified whether ruptured icd 10 Ruptured thoracic aortic aneurysm icd 10 Ruptured aortic aneurysm icd 10 Thoracic aortic aneurysm icd 9 Thoracic aortic aneurysm icd 10