BURLINGTON, N.C.--(BUSINESS WIRE)--Laboratory Corporation of America® Holdings (NYSE: LH) today announced that its Board of Directors has authorized a new stock repurchase program under which LabCorp may purchase up to an aggregate of $250 million of its Common Stock from time-to-time. LabCorp purchased a total of $500 million of its Common Stock under its previously announced and completed stock repurchase program, $95.2 million of which was completed since the end of the second quarter of 2009.