M31.4

Approximate Synonyms

• Takayasu’s disease

• Takayasus disease

Clinical Information

• 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.

Details

• M31.4 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 M31.4 became effective on October 1, 2022.

• This is the American ICD-10-CM version of M31.4 – other international versions of ICD-10 M31.4 may differ.