2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Circulatory System 390-459 > Diseases Of Arteries, Arterioles, And Capillaries 440-448 > Aortic Aneurysm And Dissection 441.* > 2006 ICD-9-CM Diagnosis 441.01 Dissection of aorta thoracic View the most recent version of ICD-9-CM 441.01 441.01 is a specific code that can be used to specify a diagnosis 441.01 contains 8 index entries View the ICD-9-CM Volume 1 441.* hierarchy  Index entries containing 441.01: Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (ruptured) (saccular) (varicose) 442.9 aorta, aortic (nonsyphilitic) 441.9 dissecting 441.00 thoracic 441.01 thorax, thoracic (arch) (nonsyphilitic) 441.2 dissecting 441.01 dissecting 442.9 aorta 441.00 thoracic 441.01 thorax, thoracic (arch) (nonsyphilitic) 441.2 dissecting 441.01 Dissection aorta 441.00 thoracic 441.01 Hematoma (skin surface intact) (traumatic) - see also Contusion aorta, dissecting 441.00 thoracic 441.01 Necrosis, necrotic aorta (hyaline) (see also Aneurysm, aorta) 441.9 cystic medial 441.00 thoracic 441.01 cystic medial (aorta) 441.00 thoracic 441.01