Tag: barbiturates

By the Numbers

By the Numbers: Positivity by drug

October 6, 2016 By

Detection rates of amphetamine, heroin and marijuana have increased annually for the past five years according to the Drug Testing Index.

News

Introducing Express Results™ Online

February 23, 2015 By

Quest Diagnostics now offers Express Results Online, an instant urine drug testing solution designed to deliver fast, dependable results.