The AIS module variables consist of patient demographics, patient history, procedure and post-op, with a separate follow-up form.

Inclusion & Clinical Description:
Acute Ischemic Stokes procedures occurring within 24 hours of stroke symptom onset. Acute Ischemic Stroke (AIS) intervention involves endovascular thrombolysis or mechanical embolectomy performed for acute cervical or intracranial occlusion of the carotid artery (above C1) and its branches, or the vertebrobasilar system and its branches. Typically, the intracranial internal carotid artery or middle cerebral artery are treated, and may include more than one occlusion. Additionally, an AIS procedure may be performed in conjunction with an angioplasty or stenting of the cervical carotid (C1 and below); the angioplasty or stenting should be separately entered on the carotid artery stent procedure module.

Follow-up Requirement:
Follow-up may be captured at 14 days, 30 days, 90 days, and one year post procedure date, with the goal of achieving an 80% follow-up rate at 90 days.

ICD 9 Codes:
39.74 Endovascular removal of obstruction from head and neck vessel(s)
Diagnosis Code: 433-438.

ICD 10 Codes:
03CG3ZZ Extirpation of Matter from Intracranial Artery, Percutaneous Approach
03CG4ZZ Extirpation of Matter from Intracranial Artery, Percutaneous Endoscopic Approach
03CH3ZZ Extirpation of Matter from Right Common Carotid Artery, Percutaneous Approach
03CH4ZZ Extirpation of Matter from Right Common Carotid Artery, Percutaneous Endoscopic Approach
03CJ3ZZ Extirpation of Matter from Left Common Carotid Artery, Percutaneous Approach
03CJ4ZZ Extirpation of Matter from Left Common Carotid Artery, Percutaneous Endoscopic Approach
03CL3ZZ Extirpation of Matter from Left Internal Carotid Artery, Percutaneous Approach
03CL4ZZ Extirpation of Matter from Left Internal Carotid Artery, Percutaneous Endoscopic Approach

CPT Codes:
37184, 37185

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