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Preferred Drug List (PDL)

The PDL is developed based on safety, effectiveness, and clinical outcomes from classes of medications where there are multiple drug alternatives available and supplemental rebates from drug companies, allowing Colorado the ability to provide medications at the lowest possible costs. 


Current PDLs

July 1, 2014

June 1, 2014

April 1, 2014

January 1, 2014

October 1, 2013

July 1, 2013

April 1, 2013

January 1, 2013

October 1, 2012



Manufacturer Information


The Supplemental Rebate Agreement template is in MS Word format and may be modified to facilitate the submission of supplemental rebate offers.


CMS Approval Letter for PDL


2008 Annual Report