Milliman Care Guidelines Effective June 25, 2007

As you were notified in the February 6, 2007 disclosure notice (which posted November 6, 2006), the Blue Cross and Blue Shield of Texas Medical Care Management Department will change the clinical review criteria used in the preauthorization process from Optimed® clinical protocols to Milliman Care Guidelines®. This is to notify you that this change will be effective on June 25, 2007.