Tag: how to pass a drug test

Excuses for positive drug tests
The most common excuses for why people fail drug tests include claims about second-hand smoke or accidental consumption. Arm yourself with knowledge to deter cheating. Continue reading

By   /  August 1, 2018

Ask the Experts: Drug testing cutoffs
Employers should carefully select a drug test specimen type and cutoff level based on the desired window of detection and regulatory requirements. Continue reading

By   /  July 18, 2017

Add certainty with specimen validity testing
Quest Diagnostics offers specimen validity testing with varying levels of quality assurance to help ensure the integrity of a urine drug test. Continue reading

By   /  December 18, 2015

How donors cheat drug tests
The use of oxidizing adulterants is one of the most common ways donors try to cheat a urine drug test. Our chart shows different kinds of adulterants. Continue reading

By   /  December 16, 2015