The right tests, the right turnaround time, and reliable results are critical for behavioral health specialists and their clients. By providing a broad range of drug tests, fast turnaround time, and easy-to-interpret results, we can help you efficiently make more informed decisions.
State-of-the-art technologies and 650 toxicology and medical experts—a powerful combination
From advanced testing technologies to our distinguished medical and toxicology experts, Quest Diagnostics is at the forefront of drug monitoring so you can get the insights that can make a real difference in a client’s life.
Use of so-called “full-spectrum” formulations of cannabidiol (CBD) products can cause users to test positive for THC, the component of marijuana that causes euphoria, according to an open-label study published in JAMA Psychiatry.