updated 1/26/2011 6:16:09 AM ET 2011-01-26T11:16:09

BETHLEHEM, Pa., Jan. 26, 2011 (GLOBE NEWSWIRE) -- OraSure Technologies, Inc. (Nasdaq:OSUR), the market leader in oral fluid diagnostics, announced today that Quest Diagnostics Incorporated (NYSE:DGX) released new data indicating that oral fluid revealed approximately five times more heroin use in the general U.S. workforce than previously believed.

In the Quest Diagnostics Drug Testing Index special report, with more than 320,000 oral-fluid samples analyzed from the general U.S. workforce from January-June 2010, data revealed that oral fluid testing detected a marker for heroin use at a rate of 0.04% compared to the 0.008% positivity rate in urine testing. The oral fluid specimens were collected and tested using OraSure's Intercept® Drug Testing System.

"Oral fluid testing is helping employers find more heroin users," said Dr. Barry Sample, Director of Science and Technology for Quest Diagnostics Employer Solutions in the Quest Diagnostics Drug Testing Index report.

According to the report, oral fluid testing offers the advantage of an observed collection and is easily administered by the hiring manager. There also are no known adulterants that can be used to tamper with oral-fluid testing.

Developed and manufactured by OraSure Technologies, the Intercept® Drug Testing System is the only FDA-cleared in vitro diagnostic laboratory-based oral fluid testing system used for detecting commonly abused drugs such as marijuana, cocaine, opiates, PCP, amphetamines (including methamphetamine and ecstasy), barbiturates, methadone and benzodiazepines. Intercept® is currently being used in workplace, drug treatment and criminal justice testing markets.

"This new data certainly validates our Intercept Oral Fluid Drug Test as a highly effective system in identifying drug use," added Stephen R. Lee, Chief Science Officer, OraSure Technologies.

The Quest Diagnostics Drug Testing Index is published as a public service for government, media and industry and has been considered a benchmark for national trends since its inception in 1988. It examines positivity rates — the proportion of positive results for each drug to all such drug tests performed — among three major testing populations: federally mandated, safety-sensitive workers; the general workforce; and the combined U.S. workforce.

About OraSure Technologies

OraSure Technologies develops, manufactures and markets oral fluid specimen collection devices using proprietary oral fluid technologies, diagnostic products including immunoassays and other in vitro diagnostic tests, and other medical devices. These products are sold in the United States as well as internationally to various clinical laboratories, hospitals, clinics, community-based organizations and other public health organizations, distributors, government agencies, physicians' offices, and commercial and industrial entities.

For more information on the Company, please go to www.orasure.com .

The OraSure Technologies, Inc. logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=6440

CONTACT: Investor Contact:
         Ronald H. Spair
         Chief Financial Officer
         Media Contact:
         Jennifer Moritz
         Zer0 to 5ive for OraSure Technologies

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