| ICD-10 Code | Description |
| I65.01 | Occlusion and stenosis of right vertebral artery |
| I65.02 | Occlusion and stenosis of left vertebral artery |
| I65.03 | Occlusion and stenosis of bilateral vertebral arteries |
| I65.09 | Occlusion and stenosis of unspecified vertebral artery |
| I65.1 | Occlusion and stenosis of basilar artery |
| I65.21 | Occlusion and stenosis of right carotid artery |
| I65.22 | Occlusion and stenosis of left carotid artery |
| I65.23 | Occlusion and stenosis of bilateral carotid arteries |
| I65.29 | Occlusion and stenosis of unspecified carotid artery |
| I65.8 | Occlusion and stenosis of other precerebral arteries |
| I65.9 | Occlusion and stenosis of unspecified precerebral artery |
