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): January 24, 2003 Quest Diagnostics Incorporated (Exact name of Registrant as specified in its charter) Delaware 1-12215 16-1387862 (State or other Commission File Number (I.R.S. Employer jurisdiction of Identification Number) incorporation) _____________________________ One Malcolm Avenue Teterboro, New Jersey 07608 (201) 393-5000 (Address of principal executive offices and telephone number, including area code) _____________________________ Item 9. Regulation FD Disclosure. ------------------------- On January 24, 2003, Quest Diagnostics Incorporated issued a press release. Signature Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Dated: January 24, 2003 QUEST DIAGNOSTICS INCORPORATED By: /s/ Robert A. Hagemann ------------------------------------ Name: Robert A. Hagemann Title: Vice President and Chief Financial Officer Exhibit Index Exhibit 99.1 Press release of the Company issued on January 24, 2003.