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 6, 2009           
(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 jurisdiction
of Incorporation) 		  (Commission
File Number)		   (I.R.S. Employer
Identification No.)
         
358 SOUTH MAIN STREET,
BURLINGTON, NORTH CAROLINA 		  27215   336-229-1127
  		 
 		  
 
(Address of principal executive offices)   (Zip Code)
   (Registrant's telephone number including area code)

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 6, 2009, Laboratory Corporation of America® Holdings (LabCorp®) (NYSE: LH) announced that the Board of Directors has elected David P. King, Chief Executive Officer, to serve as Chairman of the Board. Mr. King has served as President and Chief Executive Officer and a director of the Company since January 1, 2007. Prior to that date, Mr. King served as Executive Vice President and Chief Operating Officer from December 2005 to January 2007, as Executive Vice President of Strategic Planning and Corporate Development from January 2004 to December 2005 and was hired in September 2001 as Senior Vice President, General Counsel and Chief Compliance Officer.

Mr. King will succeed Thomas P. Mac Mahon who has served as Chairman of the Board and a director since April 28, 1996. Prior to such date and since April 28, 1995, he served as the Vice Chairman and a director. Mr. Mac Mahon will continue to serve on the Board of Directors.

Exhibits

99.1 Press Release dated May 6, 2009

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: May 6, 2009  By:   /s/F. Samuel Eberts III    
    F. Samuel Eberts III, Chief Legal Officer
and Secretary