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

           June 5, 2008           
(Date of earliest event reported)

LABORATORY CORPORATION OF
AMERICA HOLDINGS

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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 June 5, 2008, Laboratory Corporation of America® Holdings (LabCorp®) (NYSE: LH), one of the world’s leading clinical trials and genetic testing laboratories, and Vanda Pharmaceuticals Inc. (Nasdaq: VNDA), a biopharmaceutical company focused on the development and commercialization of clinical-stage product candidates for central nervous system disorders, announced an exclusive alliance to develop and commercialize a series of diagnostic tests for genetic markers identified by Vanda in the course of its clinical development of Fanapta™ (iloperidone), a novel atypical antipsychotic drug candidate under FDA review for the treatment of schizophrenia. Financial terms of the agreement were not disclosed.

Exhibits

99.1 Press Release dated June 5, 2008

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SIGNATURES

Pursuant to the requirements of the Securities 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)
Date: June 5, 2008	By:	/s/Bradford T. Smith
		Bradford T. Smith, Executive Vice President and Secretary