The 4th tier plan is one that will continue to offer a discount for 90-day tier 2, tier 3 and tier 6 prescriptions.
This refers to a prescription drug tier that consists of the different tier of prescriptions drugs that are most are generic.
Basically, there are 4 Copayment Tier that that could be assigned to a member depending on the level of need.
Therefore, the 4th tier plan is one that will continue to offer a discount for 90-day tier 2, tier 3 and tier 6 prescriptions.
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