Icd 10 code for dissection of unspecified site of aorta July 8, 2019 16 32 64 128 Icd 10 code for dissection of aorta unspecified portion of aorta Aortic dissection ct Aortic dissection ct scan Dissection of thoracic aorta icd 10 Dissection aorta icd 10 Aortic dissection icd 9