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Washington State Preferred Drug List

Participating Agencies Web Sites

Learn more about how the participating agencies use the WA PDL, dispensing guidelines specific to each agency, and contact information to the participating programs:

Medicaid - DSHS (HRSA)

Uniform Medical Plan (UMP)

Workers' Compensation (L&I)

The only drug classes subject to TIP are those listed below that have been reviewed by the P&T Committee and selected for the PDL by the three participating agencies. The P&T Committees Schedule of Drug Reviews is available online.

Download the Washington preferred Drug List now.

Therapeutic Interchange Program Announcements

TIP announcements or updates to a class of drugs covered under the Washington PDL are listed below.

For archived or previous announcements on a drug class listed, please contact Regina Chacon at (206) 521-2027.

Supplemental Rebates

(DSHS - HRSA only)

Sealed bids should be mailed to:

Robin Arnold-Williams, Secretary
Department of Social and Health Services
P.O. Box 45010
14th & Jefferson Street
Olympia, WA 98504-5010

Faxes or electronic submissions will not be accepted. No bids will be entertained until the drug class is evaluated per the P&T Committee schedule. If you have questions about specific drugs that are included in these drug class reviews, please contact Siri Childs, Pharm D. with DSHS-HRSA at 360-725-1564.