-- I63.00 Cerebral infarction due to thrombosis of unspecified precerebral artery

-- I63.01 Cerebral infarction due to thrombosis of vertebral artery

--- I63.011 Cerebral infarction due to thrombosis of right vertebral artery

--- I63.012 Cerebral infarction due to thrombosis of left vertebral artery

--- I63.013 Cerebral infarction due to thrombosis of bilateral vertebral arteries

--- I63.019 Cerebral infarction due to thrombosis of unspecified vertebral artery

-- I63.02 Cerebral infarction due to thrombosis of basilar artery

-- I63.03 Cerebral infarction due to thrombosis of carotid artery

--- I63.031 Cerebral infarction due to thrombosis of right carotid artery

--- I63.032 Cerebral infarction due to thrombosis of left carotid artery

--- I63.033 Cerebral infarction due to thrombosis of bilateral carotid arteries

--- I63.039 Cerebral infarction due to thrombosis of unspecified carotid artery

-- I63.09 Cerebral infarction due to thrombosis of other precerebral artery