434 Occlusion of cerebral arteries 
434.0 Cerebral thrombosis 
434.00 Cerebral thrombosis without mention of cerebral infarction convert 434.00 to ICD-10-CM
434.01 Cerebral thrombosis with cerebral infarction convert 434.01 to ICD-10-CM 434.1 Cerebral embolism 434.10 Cerebral embolism without mention of cerebral infarction convert 434.10 to ICD-10-CM 434.11 Cerebral embolism with cerebral infarction convert 434.11 to ICD-10-CM 434.9 Cerebral artery occlusion unspecified 
434.90 Cerebral artery occlusion, unspecified without mention of cerebral infarction convert 434.90 to ICD-10-CM 434.91 Cerebral artery occlusion, unspecified with cerebral infarction convert 434.91 to ICD-10-CM