Diversified Drug Testing
DOT and non-DOT drug and alcohol testing programs, including C/TPA administration, random consortium management, pre-employment testing, post-accident testing, reasonable suspicion testing, and 24/7 emergency response.
24/7 Emergency Testing
Post-accident or reasonable suspicion? We're here now.
Diversified Drug Testing has built its reputation on responsive service and deep regulatory expertise. As a division of Diversified Safety & Compliance, we combine decades of testing experience with expanded compliance capabilities to serve DOT-regulated employers, educational institutions, and safety-conscious workplaces across the country.
Our consortium membership program is the foundation of everything we do. Members gain access to DOT-compliant random testing, discounted rates on DOT physicals, mobile and clinic-based drug testing, breath alcohol testing, and fit-for-duty evaluations. With over 3,000 collection locations nationwide, drivers and employees can complete testing conveniently wherever they are—essential for OTR operations and distributed workforces.
From small owner-operators to large fleet operations, Diversified Drug Testing eliminates the complexity of compliance. We provide DOT-qualified Medical Review Officers, certified Breath Alcohol Technicians, flexible collection options, and complete documentation—all without the overhead of an in-house testing department. When you need us at 2 AM for a post-accident test or reasonable suspicion event, we answer.
Complete Testing Program Management
From consortium enrollment to MRO review, we handle every aspect of your DOT testing program.
Affordable Consortium Membership
DOT-compliant random testing meeting FMCSA minimums—save 10+ hours per quarter in administration
24/7 Emergency Response
2-hour mobile collector dispatch plus 3,000+ clinic locations nationwide
100% MRO-Verified Results
DOT-qualified physicians review every non-negative result
Supervisor Support
Real-time coaching and proper documentation for reasonable suspicion events
Expert DER Guidance
Live compliance specialists available 24/7 for testing decisions and documentation
3,000+ Collection Locations
Nationwide network ensures convenient, same-day scheduling—ideal for OTR drivers
Trusted Testing Partner
Comprehensive coverage when you need it most
Post-accident & reasonable suspicion
All tests reviewed by certified MRO
For most standard tests
Our Testing Services
Complete DOT drug and alcohol testing programs for fleets of all sizes
Consortium Membership
Join the Diversified Drug Testing consortium and gain access to DOT-compliant random testing plus exclusive member discounts on DOT physicals, mobile and clinic drug testing, breath alcohol testing, and fit-for-duty evaluations.
Pre-Employment Drug Testing
DOT regulations prohibit dispatching a driver without a verified negative pre-employment drug test. Access 3,000+ collection locations or schedule mobile testing at your location with MRO-verified results typically within 24-72 hours.
Post-Accident Testing
Missing post-accident testing deadlines compromises insurance claims and triggers federal violations. 24/7 collector dispatch ensures you meet the 8-hour alcohol and 32-hour drug testing requirements.
Reasonable Suspicion Testing
Properly documented reasonable suspicion testing protects both safety and legal defensibility. Same-day testing with real-time supervisor guidance and complete documentation support.
Return-to-Duty & Follow-Up Testing
Complete SAP case management and follow-up testing coordination. From SAP referral through return-to-duty testing and ongoing follow-up monitoring—we manage the entire process to get drivers back to work safely.
24/7 Emergency Response & DER Support
Small fleets cannot maintain 24/7 compliance staff. Diversified Drug Testing provides expert DER guidance around the clock—preventing costly mistakes during post-accident and reasonable suspicion events.
MRO Review & SAP Coordination
MRO review protects against false positives from legitimate prescriptions. DOT-qualified Medical Review Officers verify every result while SAP coordination manages the return-to-duty process for confirmed violations.
Mobile Collection Service
On-site drug and alcohol collection at your terminal, job site, or remote location. Eliminate driver travel time, ensure 100% completion rates, and handle emergency situations without leaving your facility.
Breath Alcohol Testing
DOT-compliant evidential breath alcohol testing (EBT) for post-accident, reasonable suspicion, random, and return-to-duty scenarios. Certified Breath Alcohol Technicians using NHTSA-approved devices.
Collegiate Athletic Drug Testing
NCAA-compliant drug testing for collegiate athletics. Year-round banned substance testing, championship event protocols, MRO-verified results, and athlete education on supplements and banned substances.
School District Drug Testing
Legally compliant student drug testing for K-12 schools. Supreme Court-aligned protocols for extracurricular activities, proper parental consent procedures, confidential result handling, and education-focused intervention.
DOT Testing Requirements
Stay compliant with federal drug and alcohol testing regulations. We handle the complexity, you focus on safety.
Post-Accident Testing Deadlines
Post-accident testing must be completed within DOT timelines to maintain compliance and support insurance documentation.
- Alcohol testing: Within 8 hours (or document why not)
- Drug testing: Within 32 hours (or document why not)
- Proper documentation supports insurance claims and audits
- 3,000+ collection locations plus 24/7 mobile dispatch
Random Testing Minimum Rates
FMCSA mandates annual random testing minimums for DOT-regulated carriers.
- Drug testing: 50% of average driver positions annually
- Alcohol testing: 10% of average driver positions annually
- Selections must be truly random and unpredictable
- Consortium membership simplifies compliance
Pre-Employment Testing Mandate
Federal law requires verified negative pre-employment test before drivers perform safety-sensitive functions.
- MRO-verified negative result required before dispatch
- Clearinghouse full query must be completed
- 3,000+ collection locations for applicant convenience
- Clinic and mobile collection options available
Redline Express Eliminates Random Testing Gaps
Ready to Start Your Testing Program?
Join hundreds of fleets who trust Diversified for reliable, compliant DOT drug and alcohol testing.
- C/TPA Program Administration
- 24/7 Post-Accident Response
- 3,000+ Testing Sites Nationwide