ICD-10 Code: I66.9 – Occlusion and stenosis of unspecified cerebral artery

ICD-10 code I66.9 corresponds to Occlusion and stenosis of unspecified cerebral artery. This code is classified under the chapter I66 Occlusion and stenosis of cerebral arteries, not resulting in cerebral infarction, which is part of the I60-I69: Cerebrovascular diseases category.

The parent chapter is Diseases of the circulatory system.