| I66 | Occlusion and stenosis of cerebral arteries, not resulting in cerebral infarction |
| | Occlusion and stenosis of middle cerebral artery |
| | Occlusion and stenosis of right middle cerebral artery |
| | Occlusion and stenosis of left middle cerebral artery |
| | Occlusion and stenosis of bilateral middle cerebral arteries |
| | Occlusion and stenosis of unspecified middle cerebral artery |
| | Occlusion and stenosis of anterior cerebral artery |
| | Occlusion and stenosis of right anterior cerebral artery |
| | Occlusion and stenosis of left anterior cerebral artery |
| | Occlusion and stenosis of bilateral anterior cerebral arteries |
| | Occlusion and stenosis of unspecified anterior cerebral artery |
| | Occlusion and stenosis of posterior cerebral artery |
| | Occlusion and stenosis of right posterior cerebral artery |
| | Occlusion and stenosis of left posterior cerebral artery |
| | Occlusion and stenosis of bilateral posterior cerebral arteries |
| | Occlusion and stenosis of unspecified posterior cerebral artery |
| | Occlusion and stenosis of cerebellar arteries |
| | Occlusion and stenosis of other cerebral arteries |
| | Occlusion and stenosis of unspecified cerebral artery |
