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 19, 2003
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(Date of earliest event reported)


LABORATORY CORPORATION OF AMERICA HOLDINGS
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(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

On September 19, 2003, 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
UBS Global Life Sciences Conference in New York, NY on September 22, 2003 at
10:00 a.m. Easterm Time.  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 October 25, 2003.



Exhibits:
99.1  Press release of the Company dated September 19, 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
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                        (Registrant)

               By:/s/ BRADFORD T. SMITH
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                      Bradford T. Smith
                      Executive Vice President
                      and Secretary


Date: September 19, 2003

EXHIBIT 99.1


Laboratory Corporation of America-Registered Trademark- Holdings
358 South Main Street
Burlington, NC   27215
Telephone:  (336) 584-5171

FOR IMMEDIATE RELEASE
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Contact:  Pamela Sherry - (336)436-4855
Shareholder Direct:  (800)LAB-0401
Company Information:  www.LabCorp.com


LABCORP-REGISTERED TRADEMARK-SCHEDULED TO PRESENT AT THE
UBS GLOBAL LIFE SCIENCES CONFERENCE

Burlington, NC, September 19, 2003 - Laboratory Corporation of America-
Registered Trademark- Holdings (LabCorp-Registered Trademark-) (NYSE: LH)
today announced that Thomas P. Mac Mahon, Chairman and Chief Executive
Officer, is scheduled to speak at the UBS Global Life Sciences Conference
in New York, NY on September 22, 2003 at 10:00 a.m. Eastern Time.  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 October 25, 2003.

About LabCorp:
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Laboratory Corporation of America-Registered Trademark-Holdings is a
pioneer in commercializing new diagnostic technologies and the first in its
industry to embrace genomic testing. With annual revenues of $2.5 billion
in 2002, over 24,000 employees nationwide, and more than 200,000 clients,
LabCorp offers over 4,000 clinical assays ranging from blood analyses to
HIV and genomic testing. 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, NC; National
Genetics Institute, Inc. in Los Angeles, CA; ViroMed Laboratories, Inc.
based in Minneapolis, MN; The Center for Esoteric Testing in Burlington,
NC; and DIANON Systems, Inc. based in Stratford, CT.  LabCorp clients
include physicians, government agencies, managed care organizations,
hospitals, clinical labs, and pharmaceutical companies. To learn more about
our growing organization, visit our web site at: www.LabCorp.com.

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, 2002 and
subsequent SEC filings.




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