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

           November 19, 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 November 19, 2008, Laboratory Corporation of America® Holdings (LabCorp®) (NYSE: LH) announced that it has introduced its MGMT gene methylation assay using Methylation-Specific PCR technology licensed from OncoMethylome Sciences (Euronext Brussels: ONCOB; Euronext Amsterdam: ONCOA). Methylation of the MGMT gene promoter has been shown to be a common event in brain cancers and predictive of response to some therapies.

Exhibits

99.1 Press Release dated November 19, 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: November 19, 2008	By:	/s/Bradford T. Smith
		Bradford T. Smith, Executive Vice President and Secretary