As of December, 2024, this site will be retired, but don’t worry – you can find everything you need at questdiagnostics.com/drug-screening.
Please update your bookmarks and visit us at our new home for all future updates.
Thank you for your continued support!
For more information about workplace drug testing, visit Quest Diagnostics
In workplace screening for drugs of abuse, a hair test is the most effective way to look back in time for a long-term pattern of repetitive drug use. Third-party administrators and drug screening resellers evaluating a hair testing lab partner should consider both science and service. When evaluated on these two criteria, Quest Diagnostics presents a combination that’s hard to beat.
