BURLINGTON, N.C.--(BUSINESS WIRE)--Laboratory Corporation of America® Holdings (LabCorp®) (NYSE: LH) today announced that David P. King, Chairman and Chief Executive Officer, is scheduled to speak at the William Blair & Company 29th Annual Growth Stock Conference in Chicago, IL. LabCorp’s presentation is planned for Wednesday, June 10, 2009 at 4:40 p.m. (Central Time).