24 Hour Onsite Results

Mobile on-site DOT Drug and alcohol testing

Rapid drug and alcohol test for use after an accident for DOT testing.

Mandated DOT and Non-DOT Testing

24 Hour On-Site drug testing performs the mandated DOT FMCSA, FAA, FRA, FTA, PHMSA, USCG, and Non-DOT accident drug testing that is required for CDL drivers and other transportation individuals that are involved in specific incidents. This ensures public safety by identifying drivers under the influence of impairing substances.

Post-Accident Testing

Our post-accident drug testing services can help you determine whether drugs or alcohol played a role in a workplace accident. We offer fast and accurate testing to get you the answers you need.

DOT Testing

We offer Department of Transportation (DOT) drug testing services to help you comply with federal regulations and keep your drivers and passengers safe. Our testing program is designed to meet all DOT requirements.

When is DOT & Non-DOT post accident drug testing required?

Photo of an ambulance at the scene of a car accident.

Fatality Accident

Bodily Injury Accident

DOT Post-Accident drug and alcohol testing is always required in the event of a fatality. In the unfortunate result of a fatality from the accident, a post-accident drug and alcohol test will be required.

Photo of emergency center at a hospital.

Bodily Injury Accident

In the event of a bodily injury accident that requires immediate medical treatment away from the scene, alcohol testing is required if a moving violation citation is issued within 8 hours. A drug test is required if a violation is issued within 32 hours.

Photo of vehicle being towed away after an accident.

Tow-Away Accident

Bodily Injury Accident

Tow-Away Accident

In the event of an accident that requires towing to any motor vehicle, and a citation is issued to a CMV driver within 8 hours, an alcohol test is required. If a citation is issued within 32 hours of the occurrence, a drug test is required. If there are no citations issued, then a DOT test is not required.

Frequently Asked Questions

Our Post-Accident mobile lab technicians are available 24 hours a day, 7 days a week. Call us at 312-832-6662 to talk to a knowledgeable technician and get post accident drug testing right away.

Please reach us at info@24houronsiteresults.com if you cannot find an answer to your question below.

I've been in an accident. How do I get a test?

Our certified DOT lab technician will come to you to collect the required samples for DOT and Non-DOT testing. We serve the Chicago area and will arrive at your designated location fully equipped with all the necessary testing materials.

When is DOT and Non-DOT Post Accident drug testing required?

The Federal Motor Carrier Safety Administration (FMCSA) requires DOT post-accident drug testing in specific situations. The following information provides a clear overview of when testing is mandatory.

Fatality Accidents - DOT Post-Accident drug and alcohol testing is always required in the event of a fatality.
Bodily Injury Accidents - In the event of a bodily injury accident that requires immediate medical treatment away from the scene, alcohol testing is required if a moving violation citation is issued within 8 hours. A drug test is required if a violation is issued within 32 hours.
Tow-Away Accident - In the event of an accident that requires towing to any motor vehicle, and a citation is issued to a CMV driver within 8 hours, an alcohol test is required. If a citation is issued within 32 hours of the occurrence, a drug test is required. If there are no citations issued, then a DOT test is not required.

When will the results be available?

Results are typically available within minutes, allowing for swift decision-making.

What about my privacy?

24-Hour On-Site Results maintains strict confidentiality. We will always comply with all DOT regulations.

What areas do you serve?

24-Hour On-Site Results offers mobile post accident testing to Chicago Land and the surrounding areas. Our lab technicians travel along interstate I-57, I-290, I-294, I-94, I-80 and the surrounding roadways.

Do you have a physical lab that I can go to for testing?

Our lab is located in Matteson, Illinois. The address is 21750 Main Street, Unit 11, Matteson, IL 60443. Our routine office hours are 10:00am-4:00pm, Monday-Friday. Additional fees may apply for services outside our routine hours.