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

                                 May 16, 2007
                             -------------------
                     (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
     ---------------------------------------              -------
     (Address of principal executive offices)            (Zip Code)

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

                                    N/A
                  ---------------------------------------
        (Former name or former address, if changed since last report.)


Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of
the following provisions:

[ ]  Written communications pursuant to Rule 425 under the Securities Act
     (17 CFR 230.425)

[ ]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act
     (17 CFR 240.14a-12)

[ ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[ ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))

ITEM 7.01. Regulation FD Disclosure
On May 16, 2007 - Laboratory Corporation of America(R) Holdings (LabCorp(R))
announced today that it has entered into an agreement with U.K. based Intema
Ltd. to license its technology for combining first- and second-trimester
Down syndrome screening test results to assess the risk of Down syndrome.

The press release dated May 16, 2007 is attached herewith as Exhibit 99.1.



Exhibits
99.1 Press Release dated May 16, 2007



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: May 17, 2007