2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Circulatory System 390-459 > Cerebrovascular Disease 430-438 > Occlusion And Stenosis Of Precerebral Arteries 433.* > 2008 ICD-9-CM Diagnosis 433.1 Occlusion and stenosis of carotid artery  On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date. The 2009 version of ICD-9-CM 433.1 can be accessed here. 433.1 is a non-specific code that cannot be used to specify a diagnosis 433.1 contains 11 index entries View the ICD-9-CM Volume 1 433.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. Index entries containing 433.1: Arteriosclerosis, arteriosclerotic (artery) (deformans) (diffuse) (disease) (endarteritis) (general) (obliterans) (obliterative) (occlusive) (senile) (with calcification) 440.9 carotid (artery) (common) (internal) (see also Occlusion, artery, carotid) 433.1 Atheroma, atheromatous (see also Arteriosclerosis) 440.9 carotid (artery) (common) (internal) (see also Occlusion, artery, carotid) 433.1 Embolism 444.9 artery 444.9 carotid (common) (internal) (see also Occlusion, artery, carotid) 433.1 carotid (artery) (common) (internal) (see also Occlusion, artery, carotid) 433.1 Narrowing artery NEC 447.1 carotid 433.1 with other precerebral artery 433.3 bilateral 433.3 Obstruction, obstructed, obstructive artery (see also Embolism, artery) 444.9 carotid (complete) (partial) (see also Occlusion, artery, carotid) 433.1 Occlusion artery NEC (see also Embolism, artery) 444.9 carotid 433.1 with other precerebral artery 433.3 bilateral 433.3 Syndrome - see also Disease internal carotid artery (see also Occlusion, artery, carotid) 433.1 Thrombosis, thrombotic (marantic) (multiple) (progressive) (vein) (vessel) 453.9 artery, arteries (postinfectional) 444.9 carotid (common) (internal) (see also Occlusion, artery, carotid) 433.1 with other precerebral artery 433.3 carotid (artery) (common) (internal) (see also Occlusion, artery, carotid) 433.1 with other precerebral artery 433.3 internal carotid artery (see also Occlusion, artery, carotid) 433.1 with other precerebral artery 433.3