2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Circulatory System 390-459 > Cerebrovascular Disease 430-438 > 2006 ICD-9-CM Diagnosis 434 Occlusion of cerebral arteries View the most recent version of ICD-9-CM 434 434 is a non-specific code that cannot be used to specify a diagnosis