Quest Diagnostics (DGX) 8-K Quest Diagnostics Reports First Quarter 2007 Results

SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF
THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of Earliest Event Reported): April 19, 2007

Commission file number 001-12215

Quest Diagnostics Incorporated
1290 Wall Street West
Lyndhurst, NJ 07071
(201) 393-5000

Delaware
(State of Incorporation)

16-1387862
(I.R.S. Employer Identification Number)

Item 2.02. Results of Operations and Financial Condition

The following information is furnished pursuant to Item 2.02, “Results of Operations and Financial Condition.” On April 19, 2007, Quest Diagnostics Incorporated issued a press release announcing, among other things, its results for the quarter ended March 31, 2007. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated by reference herein.

Item 9.01. Financial Statements and Exhibits

c.	Exhibit
	99.1	Press release of Quest Diagnostics Incorporated dated April 19, 2007, announcing, among other things, its results for the quarter ended March 31, 2007.

Signature

     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.

April 19, 2007
QUEST DIAGNOSTICS INCORPORATED
By:	/s/ Robert A. Hagemann
	Robert A. Hagemann
	Senior Vice President and Chief
	Financial Officer