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UMP Preferred Drug List

Use the UMP Preferred Drug List (PDL) to find:

The UMP Preferred Drug List is updated often. Changes are posted online at least once a month.

Not all drugs are listed on the UMP Preferred Drug List. If your drug isn't listed, call Washington State Rx Services at 1-888-361-1611.

Note: New brand-name drugs may not be covered during the first 180 days they are available. To check if a new drug is covered, call Washington State Rx Services at 1-888-361-1611.

Other prescription drug tools

Use the Prescription Price Check tool to see how much you'll pay for covered prescription drugs.

Log in to your pharmacy account to get information specific to your account, like your claims history.

How does UMP decide which drugs are preferred?

As a state-sponsored health plan, UMP must follow coverage decisions made by the Washington State Pharmacy & Therapeutics Committee (P&T Committee), which consists of Washington health care professionals, including physicians and pharmacists.

The UMP Preferred Drug List includes these coverage recommendations.

Not all drug classes are reviewed by the Washington State P&T Committee. For these drugs, the Washington State Rx Services P&T Committee makes coverage recommendations for UMP's review and final determination of a drug's coverage level (preferred or nonpreferred).

For the plan to approve a drug for you, it must be medically necessary for your health condition. Your provider may prescribe a drug or drug dose that is not medically necessary.

For more information on the P&T Committee, see the Prescription Drug Program's webpages.


Washington State Rx Services
Phone: 1-888-361-1611
TRS: 711
Business hours:  24 hours a day, 7 days a week