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

April 28, 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 April 28, 2003, Laboratory Corporation of America -Registered Trademark-
Holdings (LabCorp -Registered Trademark-)(NYSE:LH) issued a press release
announcing among other things, its results for the quarter ended March 31,
2003.  A copy of the press release is attached hereto as Exhibit 99.1 and is
incorporated by reference herein.

This information is furnished under Item 9 of Form 8-K, as well as Item 12 of
Form 8-K, "Results of Operations and Financial Condition," in accordance with
interim filing guidance provided by SEC Release No. 33-8216.


Exhibits:
99.1  Press release of the Company dated April 28, 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: April 28, 2003