441 Aortic aneurysm and dissection 
441.0 Dissection of aorta 
441.00 Dissection of aorta aneurysm unspecified site convert 441.00 to ICD-10-CM 441.01 Dissection of aorta thoracic convert 441.01 to ICD-10-CM 441.02 Dissection of aorta abdominal convert 441.02 to ICD-10-CM
441.03 Dissection of aorta thoracoabdominal convert 441.03 to ICD-10-CM 441.1 Thoracic aneurysm ruptured convert 441.1 to ICD-10-CM 441.2 Thoracic aneurysm without rupture convert 441.2 to ICD-10-CM 441.3 Abdominal aneurysm ruptured convert 441.3 to ICD-10-CM 441.4 Abdominal aneurysm without rupture convert 441.4 to ICD-10-CM 441.5 Aortic aneurysm of unspecified site ruptured convert 441.5 to ICD-10-CM 441.6 Thoracoabdominal aneurysm ruptured convert 441.6 to ICD-10-CM 441.7 Thoracoabdominal aneurysm without rupture convert 441.7 to ICD-10-CM 441.9 Aortic aneurysm of unspecified site without rupture convert 441.9 to ICD-10-CM