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 10, 2004
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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 March 10, 2004, Laboratory Corporation of America -Registered Trademark-
Holdings (LabCorp -Registered Trademark-)(NYSE:LH) announced that Bradford T.
Smith, executive vice president of corporate affairs, is scheduled to speak at
the SG Cowen Annual Health Care Conference in Boston, MA on March 11, 2004 at
8:00 a.m. and 9:00 a.m. (ET).  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 June 11, 2004.


Exhibits:
99.1  Press release of the Company dated March 10, 2004.


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 10, 2004

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

For Immediate Release
Contact:  Pamela Sherry - (336) 436-4855
Shareholder Direct: (800) LAB-0401
Company Information: www.LabCorp.com

LABCORP-REGISTERED TRADEMARK-SCHEDULED TO
PRESENT AT THE SG COWEN ANNUAL HEALTH CARE
CONFERENCE

Burlington, NC, March 10, 2004 - Laboratory Corporation of America-
Registered Trademark- Holdings (LabCorp-Registered Trademark-) (NYSE:
LH) today announced that Bradford T. Smith, executive vice president of
corporate affairs, is scheduled to speak at the SG Cowen Annual Health Care
Conference in Boston, MA on March 11, 2004 at 8:00 a.m. and 9:00 a.m.
(ET). 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 June 11, 2004.

About LabCorp
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 $2.9 billion in
2003, approximately 23,000 employees nationwide, and more than 220,000
clients, LabCorp offers over 4,400 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 will be included in the
Company's form 10-K for the year ended December 31, 2003, when filed.