BURLINGTON, N.C.--(BUSINESS WIRE)--Laboratory Corporation of America® Holdings (NYSE: LH) today announced the successful completion of the cash tender offer by its wholly owned subsidiary, Mastiff Acquisition Corp., for the outstanding shares of common stock of Monogram Biosciences, Inc. (NASDAQ: MGRM). The tender offer expired at 12:00 midnight, New York City time, at the end of the day on Monday, August 3, 2009.