Random Testing

Random Drug Testing Pool for CDL Drivers

DOT random drug testing is a core part of FMCSA compliance for CDL drivers. We'll get you into a valid random pool fast.

Last updated: May 2026

What is a random drug testing pool?

A random testing pool is a group of CDL drivers from which a third-party administrator pulls names at random for drug and alcohol testing. The selection process must be truly random and based on FMCSA's minimum annual rates.

Who needs to be in a random pool?

Any driver who operates a commercial motor vehicle requiring a CDL must be in a random pool. That includes company drivers and owner-operators. Drivers are typically placed in their employer's pool, while owner-operators with their own authority join a consortium.

Owner-operators and consortium pools

Because a pool of one cannot generate a valid random selection, owner-operators must join a consortium. Our owner-operator program places you in a compliant pool the same day.

How random selections work

  • The C/TPA generates random selections throughout the year
  • Selected drivers receive a notification with collection site info
  • You report to the clinic and complete the DOT urine collection
  • Results are sent to the designated Medical Review Officer (MRO)
  • The MRO releases the result to the employer or C/TPA

What happens if you are selected

Report to the collection site as soon as you can after being notified. Bring a government-issued photo ID. The collection is a standard 5-panel DOT urine test (and breath alcohol if applicable). Most drivers are in and out within 30 minutes.

What happens if you miss or refuse a test

A missed or refused test is treated as a positive result. The violation goes on your FMCSA Clearinghouse record and you cannot operate a commercial motor vehicle until you complete the return-to-duty process with a Substance Abuse Professional (SAP).

Get enrolled

Submit the form below and we'll place you in a compliant random pool right away.

Join a Compliant Random Pool

Quick form. We will follow up shortly.

By submitting you agree to be contacted about DOT drug testing services.

Frequently Asked Questions

Ready to get your DOT drug testing program set up?

Enroll today or talk to us about your fleet. We help owner-operators and small trucking companies get set up quickly.