I66.9

Approximate Synonyms

• Cerebral artery occlusion

• Cerebral embolism

• Cerebral thrombosis

• Occlusion and stenosis of multiple and bilateral cerebral arteries

• Occlusion of cerebral artery

• Occlusion or stenosis of multiple cerebral arteries

• Stenosis of multiple cerebral arteries

• Thrombosis of cerebral artery

Details

• I66.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• The 2023 edition of ICD-10-CM I66.9 became effective on October 1, 2022.

• This is the American ICD-10-CM version of I66.9 – other international versions of ICD-10 I66.9 may differ.