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
March 25, 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
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(Address of principal executive offices)

336-229-1127
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(Registrant's telephone number, including area code)




ITEM 9. Regulation FD Disclosure.

   Laboratory Corporation of America -Registered Trademark-
Holdings (LabCorp -Registered Trademark-)(NYSE:LH) announced
that Thomas P. Mac Mahon, chairman and chief executive officer,
is scheduled to speak at the Banc of America Securities Health
Care Conference in Las Vegas, NV on March 26, 2003 at 9:45 a.m.
Pacific Time.  At the conference, the Company will reiterate its
guidance for 2003, as filed in an 8K on February 18, 2003.  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 be
available through April 11, 2003.





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 its Form 10-K for the year ended
December 31, 2002, when filed.




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: March 25, 2003