How must employees fill prescriptions under a network system in a pharmacy benefit plan (PDP)?

In a pharmacy benefit plan (PDP) that operates on a network system, employees must fill their prescriptions at designated network pharmacies. This arrangement is designed to manage costs and ensure that employees receive medications at lower copays or coinsurance rates compared to out-of-network facilities.

Network pharmacies have agreements with the PDP to provide medications at negotiated rates, which helps reduce the overall cost for both the plan and the employees. By utilizing network pharmacies, employees also benefit from streamlined processing for claims and adherence to formulary guidelines, further ensuring they receive the appropriate medications and related services.

The emphasis on using network pharmacies aims to promote efficiency in the management of prescription benefits, making it more financially viable for the plan and its participants.