Post Accident Testing Instructions

DOT Requires Post-Accident Drug and Alcohol Testing for Drivers involved in Qualifying Accidents under FMCSA Regulations 49 CFR Part 382.303.

Testing Required:

• Fatality: If the Accident Results in a Fatality, Testing is Required for the Driver, even if No Citation was issued
• Injury with Citation: If the Accident caused a Bodily Injury Requiring Immediate Medical Treatment away from the scene and the Driver received a Citation for a Moving Violation Testing is Required
• Disabling Vehicle With Citation: If Any Vehicle is Towed from the Scene due to Disabling Damage and the Driver received a Citation for a Moving Violation Testing is Required

Testing Not Required:

• If there was no Fatality and the Driver did not receive a Citation under the above Conditions Testing is not Required under DOT Rules
• If the Accident involves a Private Vehicle or a Non-Commercial Motor Vehicle DOT Rules do not Apply

Timeframes

• Alcohol Test: Must be conducted within 2 Hours of the Accident.  If not Possible the Reason must be Documented and Attempts must continue up to 8 Hours
• Drug Test: Must be conducted within 32 Hours of the Accident.  If not Possible the Reason must be Documented

Order Post-Accident Drug Tests

Order DOT Drug Tests online or use the Quest Paper Forms we provide.  Once enrolled, only DOT Drug Tests ordered through Express Labs or completed using Express Labs Quest Paper Forms are accepted.

1. Log in to your Express Labs account and click Order Drug Tests
2. Select Post-Accident for the Reason for Testing
3. Select a Collection Site then click Complete Order
4. Check your email for the QPassport (within 30 minutes)
5. Bring the QPassport (printed or on phone) with Photo ID to the Collection Site
6. Call the Collection Site to confirm they are open and accepting walk-ins

• Most sites will not begin a DOT collection within 3 hours of closing
• Drug Testing Instructions

Order Breath Alcohol Tests

Order DOT Breath Alcohol Tests online or use any Collection Site and email the results to Express Labs.

1. Log in to your Express Labs account and click Order Alcohol Tests
2. Select Post-Accident for the Reason for Testing
3. Select a Collection Site then click Complete Order
4. Check your email for the QPassport (within 30 minutes)
5. Bring the QPassport (printed or on phone) with Photo ID to the Collection Site
6. Call the Collection Site to confirm they are open and accepting walk-ins

• Alcohol Testing Instructions

Express Labs FMCSA Random Drug & Alcohol Consortium
Post Accident | Updated 2026