CVS Caremark® Prescription Drug Coverage Information Oct 6, 2025 9:30 am179 views Did you change health plans to a plan that utilizes CVS Caremark® for prescription drug coverage? Please review this information to make the most of your benefits. Aetna OAP System Update and Claim Reprocessing Sep 16, 2025 4:00 pm113 views The University of Illinois System was made aware of an Aetna OAP claim processing error that may have impacted your billing.