UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 September 9, 2003 ------------------ (Date of earliest event reported) LABORATORY CORPORATION OF AMERICA HOLDINGS ------------------------------------------ (Exact name of registrant as specified in its charter) DELAWARE 1-11353 13-3757370 -------------- ----------- -------------- (State or other (Commission (IRS Employer jurisdiction of File Number) Identification incorporation) Number) 358 SOUTH MAIN STREET, BURLINGTON, NORTH CAROLINA 27215 ------------------------------------------------------- (Address of principal executive offices) 336-229-1127 ------------ (Registrant's telephone number, including area code) ITEM 9. Regulation FD Disclosure On September 9, 2003, Laboratory Corporation of America -Registered Trademark- Holdings (LabCorp -Registered Trademark-)(NYSE:LH) and EXACT Sciences Corporation (NASDAQ:EXAS) announced that PreGen-Plus-Trademark-, the DNA-based stool test for the early detection of colorectal cancer, is now widely available for use by physicians and patients to screen their patients for colorectal cancer. PreGen-Plus is an effective, easy-to-use and completely non-invasive breakthrough screening option for the more than 80 million Americans who should be screened for colorectal cancer. Exhibits: 99.1 Press release of the Company dated September 9, 2003. SIGNATURES Pursuant to the requirements of the Securities and Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. LABORATORY CORPORATION OF AMERICA HOLDINGS ------------------------------------------ (Registrant) By:/s/ BRADFORD T. SMITH ---------------------------------- Bradford T. Smith Executive Vice President and Secretary Date: September 9, 2003