Effective January 1, 2007, LabCorp will become UnitedHealthcare’s sole national laboratory services provider. Effective January 1, 2007, Quest Diagnostics will no longer be a contracted laboratory services provider for Oxford Health Plans or UnitedHealthcare except in very limited markets.

UnitedHealthcare has contracted with Laboratory Corporation of America (LabCorp) for reference laboratory services. LabCorp will participate with other regional and local laboratory providers in the comprehensive and expanding UnitedHealthcare laboratory network across the United States. LabCorp will also assume responsibility for managing the Oxford Health Plans laboratory network in the greater New York metropolitan region, effective January 1, 2007.

Also effective January 1, 2007, Quest Diagnostics will no longer participate in UnitedHealthcare’s network except in limited markets.

For more information, go to: www.unitedhealthcare.com     For UnitedHealthcare physicians, brokers and customers, please visit your designated portals for additional information regarding this change.