Update your Express Labs account to keep your company information, users, addresses, and driver license information current.
When you update your account, Express Labs automatically notifies Quest Diagnostics and our Medical Review Officer (MRO). Quest Diagnostics updates your account, prints and ships new Custody & Control Forms (CCFs) and the MRO updates their records.
All Active Users receive Express Labs email notifications.
Update your Main Contact (DER), Email, Phone, Company Name & DOT Number
Express Labs FMCSA Random Drug & Alcohol Consortium
Account Updates | Updated 2026