Prescription Drugs All medical plan participants have prescription drug coverage based on their selected plan. A way to save money is by requesting generics and/or mail order options when available. Services PPO HDHP Helper Prescription Drugs sub Retail (30-day supply) Tier 1 $10 co-pay 20% after deductible Tier 2 $50 co-pay 20% after deductible Tier 3 $100 co-pay 20% after deductible Home Delivery with Express Scripts Pharmacy Video: Managing RX Costs prevMedical Dentalnext