BURLINGTON, N.C.--(BUSINESS WIRE)--Laboratory Corporation of America Holdings (LabCorp) (NYSE: LH) announced today that it plans to offer, subject to market and other conditions, senior notes in an aggregate principal amount of up to $925 million (the “Notes”). The Notes are expected to be issued in two tranches with maturities of 5 ½ and 10 years. The Notes will be senior unsecured obligations and will rank equally with LabCorp’s existing and future senior unsecured debt.