Latest posts


Quest opens largest toxicology lab in Latin America

March 23, 2018

The largest and most modern Latin American toxicology laboratory was recently opened by Quest Diagnostics and our joint venture partner LABET in Santana de Parnaíba, São Paulo, Brazil. Continue reading


Ask the Experts

Ask the Experts: DOT 5-panel drug test regimen

March 21, 2018

If you do the math, the DOT 5-panel drug test regimen requires confirmation testing for a total of 14 drugs. Is there a new name for the DOT drug test with the 2018 regulations? Continue reading


Drug Testing

Unearthing the roots of substance-abuse disorders

March 20, 2018

Our new white paper helps to demystify the complexities of addiction and examine the evolution of substance-abuse disorders over a lifetime. Get the facts and gain insights about how someone can struggle with addiction. Continue reading


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