8-K

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

March 13, 2012

(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 communication 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 March 13, 2012, Laboratory Corporation of America® Holdings (LabCorp®) (NYSE: LH) announced that for the period of March 12, 2012 to September 11, 2012, its Zero Coupon Convertible Subordinated Notes due 2021 (Zero Coupon Notes) will, subject to the terms of the Zero Coupon Notes, accrue contingent cash interest at a rate of no less than 0.125% of the average market price of a Zero Coupon Note for the five trading days ended March 7, 2012, in addition to the continued accrual of the original issue discount. Contingent cash interest, which the Company has determined to be approximately $1.50 per Note, will be payable to holders of the Zero Coupon Notes as of the record date, which is August 26, 2012. The payment of contingent cash interest is expected to be made on September 11, 2012.

Exhibits

99.1 Press Release dated March 13, 2012

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

By:	/s/ F. SAMUEL EBERTS III
	F. Samuel Eberts III
	Chief Legal Officer and Secretary

March 14, 2012

EX-99.1

Exhibit 99.1

FOR IMMEDIATE RELEASE

Investor/Media Contact:

Stephen Anderson - 336-436-5274

Company Information: www.labcorp.com

358 South Main Street

Burlington, NC 27215                            

Telephone: (336) 584-5171            

LABCORP'S ZERO COUPON CONVERTIBLE SUBORDINATED NOTES DUE 2021 TO ACCRUE CONTINGENT INTEREST

Burlington, NC, March 13, 2012 - Laboratory Corporation of America^® Holdings (LabCorp^®) (NYSE: LH) announced today that for the period of March 12, 2012 to September 11, 2012, its Zero Coupon Convertible Subordinated Notes due 2021 (Zero Coupon Notes) will, subject to the terms of the Zero Coupon Notes, accrue contingent cash interest at a rate of no less than 0.125% of the average market price of a Zero Coupon Note for the five trading days ended March 7, 2012, in addition to the continued accrual of the original issue discount. Contingent cash interest, which the Company has determined to be approximately $1.50 per Note, will be payable to holders of the Zero Coupon Notes as of the record date, which is August 26, 2012. The payment of contingent cash interest is expected to be made on September 11, 2012.

About LabCorp^®        

Laboratory Corporation of America^® Holdings, an S&P 500 company, is a pioneer in commercializing new diagnostic technologies and the first in its industry to embrace genomic testing. With annual revenues of $5.5 billion in 2011, over 31,000 employees worldwide, and more than 220,000 clients, LabCorp offers more than 4,000 tests ranging from routine blood analyses to reproductive genetics to companion diagnostics. LabCorp furthers its scientific expertise and innovative clinical testing technology through its specialized labs and the LabCorp Specialty Testing Group: The Center for Molecular Biology and Pathology, National Genetics Institute, ViroMed Laboratories, Inc., The Center for Esoteric Testing, Litholink Corporation, Integrated Genetics, Integrated Oncology, DIANON Systems, Inc., Monogram Biosciences, Inc., Colorado Coagulation, and Endocrine Sciences. LabCorp conducts clinical trials testing through its Esoterix Clinical Trials Services. LabCorp clients include physicians, government agencies, managed care organizations, hospitals, clinical labs, and pharmaceutical companies. To learn more about our organization, visit our Web site at: www.labcorp.com.

This press release contains forward-looking statements. Each of the forward-looking statements is subject to change based on various important factors, including without limitation, competitive actions in the marketplace and adverse actions of governmental and other third-party payors. Actual results could differ materially from those suggested by these forward-looking statements. Further information on potential factors that could affect LabCorp's financial results is included in the Company's Form 10-K for the year ended December 31, 2011, and subsequent SEC filings.