Quest Diagnostics to Speak at the 20th Annual Piper Jaffray Healthcare Conference
PRNewswire-FirstCall
MADISON, N.J.

Quest Diagnostics Incorporated , the world's leading provider of diagnostic testing, information and services, announced that it is scheduled to speak at the Piper Jaffray Healthcare Conference in New York City today, December 2, 2008. The Quest Diagnostics presentation is scheduled to begin at 4:00 p.m. Eastern Time.

During the conference, the company will reaffirm its 2008 guidance for revenue growth of greater than 8%, operating income to approach 17% of revenues, and adjusted earnings per diluted share from continuing operations of between $3.17 and $3.22. This guidance excludes the impact of a third quarter equity investment write-down and hurricanes.

The presentation will be webcast live during the conference and will be available to registered investors on the following site: http://www.corporate-ir.net/ireye/conflobby.zhtml?ticker=DGX&item_id=1981734 (due to the length of the URL, please copy and paste into your browser) and to the public on www.QuestDiagnostics.com/investor. In addition, the archived webcast will be available approximately one hour after the conclusion of the live event and will remain available until January 1, 2009.

Quest Diagnostics is the world's leading provider of diagnostic testing, information and services that patients and doctors need to make better healthcare decisions. The company offers the broadest access to diagnostic testing services through its national network of laboratories and patient service centers, and provides interpretive consultation through its extensive medical and scientific staff. Quest Diagnostics is a pioneer in developing innovative new diagnostic tests and advanced healthcare information technology solutions that help improve patient care. Additional company information is available at: www.QuestDiagnostics.com.

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SOURCE: Quest Diagnostics Incorporated

CONTACT: Laure Park (Investors), +1-973-520-2900, or Nancy Fitzsimmons
(Media), +1-973-520-2800, both for Quest Diagnostics

Web Site: http://www.questdiagnostics.com/