Quest Diagnostics delivers a broad range of drug tests to meet medical necessity needs to identify the presence of prescribed, non-prescribed, and illicit drugs.
Our expert toxicologists, MDs, and PhDs share unique insights, research, and latest trends in drug monitoring and impact on the drug epidemic across the nation.
Do you know the signs of opioid use disorder? The Centers for Disease Control and Prevention offers a Continuing Medical Education Module on this topic, as part of its effort to reduce the harms from use of opioids and other drugs. You can get started by going to