icd_nine	parameter
433.01	Occlusion and stenosis of basilar artery with cerebral infarction  
433.11	Occlusion and stenosis of carotid artery with cerebral infarction  
433.21	Occlusion and stenosis of vertebral artery with cerebral infarction  
433.31	Occlusion and stenosis of multiple and bilateral precerebral arteries with cerebral infarction  
433.81	Occlusion and stenosis of other specified precerebral artery with cerebral infarction
433.91	Occlusion and stenosis of unspecified precerebral artery with cerebral infarction
434	Occlusion of cerebral arteries
434.0	Cerebral thrombosis
434.00	Cerebral thrombosis without mention of cerebral infarction
434.01	Cerebral thrombosis with cerebral infarction
434.1	Cerebral embolism
434.10	Cerebral embolism without mention of cerebral infarction
434.11	Cerebral embolism with cerebral infarction
434.9	Cerebral artery occlusion unspecified
434.90	Cerebral artery occlusion, unspecified without mention of cerebral infarction
434.91	Cerebral artery occlusion, unspecified with cerebral infarction
437.1	Other generalized ischemic cerebrovascular disease