2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Circulatory System 390-459 > Cerebrovascular Disease 430-438 > Transient Cerebral Ischemia 435.* > 2006 ICD-9-CM Diagnosis 435.3 Vertebrobasilar artery syndrome View the most recent version of ICD-9-CM 435.3 Localized or diffuse reduction in blood flow through the vertebrobasilar arterial system, which supplies the BRAIN STEM; CEREBELLUM; OCCIPITAL LOBE; medial TEMPORAL LOBE; and THALAMUS. Characteristic clinical features include SYNCOPE; lightheadedness; visual disturbances; and VERTIGO. BRAIN STEM INFARCTIONS or other BRAIN INFARCTION may be associated. 435.3 is a specific code that can be used to specify a diagnosis 435.3 contains 3 index entries View the ICD-9-CM Volume 1 435.* hierarchy  Index entries containing 435.3: Insufficiency, insufficient arterial 447.1 vertebrobasilar 435.3 vertebrobasilar artery 435.3 Spasm, spastic, spasticity (see also condition) 781.0 artery NEC 443.9 vertebrobasilar 435.3