Tag: drug test results

Ask the experts: Effects of hair treatments on drug test results
Some employers who use hair testing as part of their workplace drug testing program wonder if hair products can have an impact on their test results. Continue reading

By   /  June 27, 2016

Ask the experts: The life of a drug testing specimen
Our labs handle more than eight million drug testing specimens yearly while maintaining an excellent track record of reliability and accuracy. Continue reading

By   /  May 13, 2014

We’re There When You Need Us™
Accurate. Reliable. Efficient. Convenient. These words were used most often used to describe Quest Diagnostics drug testing services. Continue reading

By   /  February 29, 2012

National customer support center
Your feedback told us that you wanted one group to contact for all of your daily needs, questions and information. Continue reading

By   /  March 17, 2010