| I63.00 | Cerebral infarction due to thrombosis of unspecified precerebral artery | BILLABLE CODE |
| I63.01 | Cerebral infarction due to thrombosis of vertebral artery | NON-BILLABLE CODE |
| I63.011 | Cerebral infarction due to thrombosis of right vertebral artery | BILLABLE CODE |
| I63.012 | Cerebral infarction due to thrombosis of left vertebral artery | BILLABLE CODE |
| I63.013 | Cerebral infarction due to thrombosis of bilateral vertebral arteries | BILLABLE CODE |
| I63.019 | Cerebral infarction due to thrombosis of unspecified vertebral artery | BILLABLE CODE |
| I63.02 | Cerebral infarction due to thrombosis of basilar artery | BILLABLE CODE |
| I63.03 | Cerebral infarction due to thrombosis of carotid artery | NON-BILLABLE CODE |
| I63.031 | Cerebral infarction due to thrombosis of right carotid artery | BILLABLE CODE |
| I63.032 | Cerebral infarction due to thrombosis of left carotid artery | BILLABLE CODE |
| I63.033 | Cerebral infarction due to thrombosis of bilateral carotid arteries | BILLABLE CODE |
| I63.039 | Cerebral infarction due to thrombosis of unspecified carotid artery | BILLABLE CODE |
| I63.09 | Cerebral infarction due to thrombosis of other precerebral artery | BILLABLE CODE |
