News Release Details

Will Report Fourth Quarter and Full Year 2002 Results February 18th

BURLINGTON, N.C., Jan. 28 /PRNewswire-FirstCall/ -- Laboratory Corporation of America(R) Holdings (NYSE: LH) (LabCorp(R)) today announced that Thomas P. Mac Mahon, chairman and chief executive officer, is scheduled to speak at the US Bancorp Piper Jaffray Health Care Conference in New York on January 29, 2003 at 4:00 p.m. Eastern Time. At the conference, the Company will reiterate its guidance for 2002 and 2003, as filed in an 8K on October 30, 2002. A live audio Webcast of the presentation will be available via the company Web site at www.labcorp.com. A replay of the audio Webcast will begin shortly following the actual presentation and will be available through February 14, 2003.

The Company also announced that its results for the fourth quarter and full year 2002 are scheduled to be released after markets close on February 18, 2003. A live broadcast of LabCorp's quarterly conference call on February 19, 2003 will be available online at www.labcorp.com or at www.streetevents.com beginning at 9:00 a.m. Eastern Time, with an online rebroadcast continuing through March 19, 2003. The live call at 9:00 a.m. will also be available in a listen-only mode by dialing 212-896-6113. A telephone replay of the call will be available through February 26, 2003 and can be heard by dialing 800-633-8284 (402-977-9140 for international callers). The access code for the replay is 211-16-073.

The first national clinical laboratory to fully embrace genomic testing, Laboratory Corporation of America(R) Holdings (LabCorp(R)) has been a pioneer in commercializing new diagnostic technologies. As a national laboratory with annual revenues of $2.2 billion in 2001 and over 24,000 employees, the company offers more than 4,000 clinical tests ranging from routine blood analyses to sophisticated molecular diagnostics. Serving more than 200,000 clients nationwide, LabCorp combines its expertise in innovative clinical testing technology with its Centers of Excellence. The Center for Molecular Biology and Pathology, in Research Triangle Park, North Carolina, offers state-of-the- art molecular gene-based testing in infectious disease, oncology and genetics. Its National Genetics Institute in Los Angeles is an industry leader in developing novel, highly sensitive polymerase chain reaction (PCR) methods for testing hepatitis C and other blood borne infectious agents. LabCorp's Minneapolis-based ViroMed offers molecular microbial testing using real time PCR platforms, while its Center for Esoteric Testing in Burlington, North Carolina, performs the largest volume of specialty testing in the network. LabCorp's clients include physicians, state and federal government, managed care organizations, hospitals, clinics, pharmaceutical and Fortune 1000 companies, and other clinical laboratories.

Each of the above forward-looking statements is subject to change based on various important factors, including without limitation, competitive actions in the marketplace and adverse actions of governmental and other third-party payors. Actual results could differ materially from those suggested by these forward-looking statements. Further information on potential factors that could affect LabCorp's financial results is included in the Company's Form 10- K for the year ended December 31, 2001 and subsequent SEC filings, and will be available in the Company's Form 10-K for the year ended December 31, 2002, when filed. SOURCE Laboratory Corporation of America Holdings

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/CONTACT: Pamela Sherry of Laboratory Corporation of America Holdings, +1-336-436-4855, or Shareholder Direct, +1-800-LAB-0401/

/Audio: http://www.streetevents.com /