I66 Occlusion and stenosis of cerebral arteries, not resulting in cerebral infarction
Non-billable header ICD10CM Release FY2026
Short description: Occls and stenosis of cereb art, not rslt in cerebral infrc
Version history
| Release | Valid from | Valid to | Description | Billable |
|---|---|---|---|---|
| FY2026 | 2025-10-01 | current | Occlusion and stenosis of cerebral arteries, not resulting in cerebral infarction | no |
Related codes in I66
- I66.0 Occlusion and stenosis of middle cerebral artery
- I66.01 Occlusion and stenosis of right middle cerebral artery
- I66.02 Occlusion and stenosis of left middle cerebral artery
- I66.03 Occlusion and stenosis of bilateral middle cerebral arteries
- I66.09 Occlusion and stenosis of unspecified middle cerebral artery
- I66.1 Occlusion and stenosis of anterior cerebral artery
- I66.11 Occlusion and stenosis of right anterior cerebral artery
- I66.12 Occlusion and stenosis of left anterior cerebral artery
- I66.13 Occlusion and stenosis of bilateral anterior cerebral arteries
- I66.19 Occlusion and stenosis of unspecified anterior cerebral artery
- I66.2 Occlusion and stenosis of posterior cerebral artery
- I66.21 Occlusion and stenosis of right posterior cerebral artery
- I66.22 Occlusion and stenosis of left posterior cerebral artery
- I66.23 Occlusion and stenosis of bilateral posterior cerebral arteries
- I66.29 Occlusion and stenosis of unspecified posterior cerebral artery
- I66.3 Occlusion and stenosis of cerebellar arteries
- I66.8 Occlusion and stenosis of other cerebral arteries
- I66.9 Occlusion and stenosis of unspecified cerebral artery