Occlusion and stenosis of cerebral arteries, not resulting in cerebral infarction - I66

 Category Includes

• embolism of cerebral artery
• narrowing of cerebral artery
• obstruction (complete) (partial) of cerebral artery
• thrombosis of cerebral artery

 Type 1 Excludes

• Occlusion and stenosis of cerebral artery causing cerebral infarction (I63.3-I63.5)

 Codes

• 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