For the purpose of unblocking restricted carotid arteries and restoring adequate blood flow to the brain, coronary artery stenting is a minimally invasive treatment. Correct carotid artery stenting ICD-10 codes are necessary for proper medical billing and compliance. I65.21 and I65.22, which stand for (occlusion and stenosis of left carotid artery), are a couple of the ICD-10-CM code... https://www.irfacilities.com/carotid-artery-stenting.php