Ready to Get Started?
Let our team help you achieve full compliance.
99.9% Uptime
24/7 Support
FMCSA Certified
A Diversified Safety & Compliance Division
Diversified Drug Testing
Your Trusted Partner
Comprehensive DOT and non-DOT drug and alcohol testing. Consortium membership with exclusive discounts. 3,000+ collection locations. 24/7 emergency response. 100% MRO-verified results.
3,000+ Collection Locations
24/7 Emergency Response
100% MRO Reviewed
Diversified Drug Testing
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.
Platform Capabilities
Advanced technology solutions that keep your compliance operations running smoothly.
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
Our Services
Comprehensive solutions for your compliance needs
Diversified Drug Testing
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.
Learn more
Diversified Drug Testing
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.
Learn more
Diversified Drug Testing
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.
Learn more
Diversified Drug Testing
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.
Learn more
Diversified Drug Testing
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.
Learn more
Diversified Drug Testing
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.
Learn more
Diversified Drug Testing
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.
Learn more
Diversified Drug Testing
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.
Learn more
Diversified Drug Testing
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.
Learn more
Diversified Drug Testing
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.
Learn more
Diversified Drug Testing
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.
Learn more
Compliance Standards
Federal Compliance Requirements
Navigate complex regulations with confidence. We ensure your fleet meets every federal requirement.
Post-Accident Testing Deadlines
49 CFR §382.303
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
49 CFR §382.305
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
49 CFR §382.301
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
Success Story