ICD-9-CM 446.7 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 446.7 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
A chronic inflammatory process that affects the aorta and its primary branches, such as the brachiocephalic artery (brachiocephalic trunk) and carotid arteries. It results in progressive arterial stenosis, occlusion, and aneurysm formation. The pulse in the arm is hard to detect. Patients with aortitis syndrome often exhibit retinopathy
A large vessel vasculitis affecting the aorta and its branches. It usually affects young females. It causes vascular obstruction, resulting in asymmetric pulses