MADISON, N.J., March 14, 2011 /PRNewswire/ -- 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 Barclays Capital 2011 Global Healthcare Conference in Miami. The presentation is scheduled for Tuesday, March 15, 2011 at 9:00 a.m. Eastern Time.

During the conference, the company will reaffirm its 2011 guidance. Excluding the impact of the acquisition of Athena Diagnostics, which is expected to close early in the second quarter, the company expects revenues to grow approximately 1%, operating income to approximate 18% of revenues, and diluted earnings per share from continuing operations before special items to be between $4.25 and $4.45.

The presentation will be webcast live during the conference and will be available to registered investors on the following site: http://cc.talkpoint.com/barc002/031511a_rb/?entity=104_SVDV64M and to the public on www.QuestDiagnostics.com/investor. In addition, the archived webcast will be available within 24 hours after the conclusion of the live event and will remain available until April 14, 2011.

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 www.QuestDiagnostics.com.

The statements in this press release which are not historical facts may be forward-looking statements. Readers are cautioned not to place undue reliance on forward-looking statements, which speak only as of the date that they are made and which reflect management's current estimates, projections, expectations or beliefs and which involve risks and uncertainties that could cause actual results and outcomes to be materially different. Risks and uncertainties that may affect the future results of the company include, but are not limited to, adverse results from pending or future government investigations, lawsuits or private actions, the competitive environment, changes in government regulations, changing relationships with customers, payers, suppliers and strategic partners and other factors discussed in "Business," "Risk Factors," "Cautionary Factors that May Affect Future Results," "Legal Proceedings," "Management's Discussion and Analysis of Financial Condition and Results of Operations," and "Quantitative and Qualitative Disclosures About Market Risk" in the company's 2010 Annual Report on Form 10-K and other items throughout the Form 10-K and the company's Current Reports on Form 8-K.

SOURCE Quest Diagnostics Incorporated