Occlusion and stenosis of other cerebral arteries
ICD-10 I66.8 is a billable code used to indicate a diagnosis of occlusion and stenosis of other cerebral arteries.
I66.8 refers to occlusion and stenosis of other cerebral arteries, which can lead to significant neurological deficits due to impaired blood flow to the brain. The condition may present with symptoms such as transient ischemic attacks (TIAs), strokes, or chronic headaches, depending on the severity and location of the arterial blockage. The anatomy involved includes the various cerebral arteries, such as the anterior, middle, and posterior cerebral arteries, which are critical for supplying oxygenated blood to the brain. Disease progression can vary; some patients may experience sudden onset of symptoms, while others may have gradual deterioration over time. Diagnostic considerations include imaging studies such as MRI or CT angiography to visualize the occlusion or stenosis and assess collateral circulation. Risk factors include hypertension, diabetes, hyperlipidemia, and smoking, which contribute to atherosclerosis and subsequent arterial narrowing or blockage.
Standard ICD-10-CM documentation requirements apply
Various clinical presentations within this specialty area
Follow specialty-specific billing guidelines
Standard ICD-10-CM documentation requirements apply
Various clinical presentations within this specialty area
Follow specialty-specific billing guidelines
I66.8 covers occlusion and stenosis of cerebral arteries not classified elsewhere, including conditions like atherosclerosis, embolism, and thrombosis affecting arteries such as the vertebral or basilar arteries.
I66.8 should be used when the occlusion or stenosis does not fit the definitions of more specific codes, such as those for anterior or posterior cerebral artery occlusions, and when the specific artery involved is not documented.
Documentation should include clinical findings, imaging results that confirm the occlusion or stenosis, and any relevant history of cerebrovascular disease or risk factors.
