MADISON, N.J., Nov. 16, 2010 /PRNewswire-FirstCall/ — Quest
Diagnostics Incorporated (NYSE:
DGX), the world’s leading provider of diagnostic testing,
information and services, announced that it is scheduled to speak
at the Lazard Capital Markets 7th Annual Healthcare Conference in
New York City.  The presentation is scheduled for Wednesday,
November 17, 2010 at 8:30 a.m. Eastern Time.

During the conference, the company will reaffirm its 2010
guidance. The company expects revenues to be approximately 1.5%
below the prior year, operating income between 17.5% and 18%
of revenues, and diluted earnings per share from continuing
operations of $3.95 to $4.00.

The presentation will be webcast live during the conference and
will be available to registered investors on the following site: http://www.wsw.com/webcast/lz8/dgx/
and to the public on www.QuestDiagnostics.com/investor.
 In addition, the archived webcast will be available one hour
after the conclusion of the live event and will remain available
until December 17, 2010.  

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 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 diagnostic
tests and advanced healthcare information technology solutions that
help improve patient care. Additional company information is
available at http://www.questdiagnostics.com/.

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