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OmniLab Diagnostics: Comprehensive DOT Drug & Alcohol Testing Solutions

OmniLab Diagnostics provides reliable, compliant, and nationwide drug testing solutions designed for both DOT-regulated and general workplaces. Our certified collectors, MRO-reviewed results, and FMCSA-aligned processes ensure accuracy, speed, and regulatory compliance for every test. Whether you need pre-employment testing, random selections, post-accident testing, or return-to-duty services, we’re here to support your program.

  • Nationwide testing coverage
  • FMCSA/DOT compliance
  • MRO-reviewed lab results

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Industries We Serve

✔  Trucking & Transportation – Full DOT compliance for FMCSA-regulated companies.

✔ Aviation & Aerospace– FFA-mandated drug testing programs aligned with FAA requirements.

 Military & Government Contractors – Compliance testing for defense and federal contract employees.

✔ Maritime & USCG – Testing programs for marine transportation employees.

✔ Pipeline & Hazardous Materials – PHMSA-regulated testing solutions.

✔ Public & Private Employers – Custom Non-DOT drug testing solutions for all industries.

✔ School & Municipal Personnel – Safe workplace testing for government and education sectors.

✔ Construction & Trade Employers – Pre-employment and random testing programs.

OmniLab Diagnostics ensures compliance, accuracy, and workplace safety with industry-leading DOT drug and alcohol testing solutions. Trust us to keep your business on track with federal regulations.

Pre-Employment Drug Screening

DOT & Non-DOT Options – Compliant testing for regulated and general employers.

✔ Urine, Hair & Oral Fluid – Wide selection of lab-based testing options.

✔ Fast Turnaround – Quick scheduling with MRO-reviewed lab results.

✔ DOT-Compliant Testing – Meets all 49 CFR Part 40 requirements for safety-sensitive positions.
✔ SAMHSA-Certified Laboratories – Testing is conducted in federally approved labs for compliance and reliability.
✔ Customizable Screening Panels – Tailored drug testing options to fit your company’s specific needs.
 Streamlined Hiring Process – Ensure a drug-free workplace while expediting onboarding.

✔ Nationwide Collection Network – Convenient locations across the U.S.

DOT Random Drug & Alcohol Testing

Random Pool Management – FMCSA-compliant random selections and notifications.

✔ Consortium/TPA Services – Secure pool administration for single drivers and companies.

✔ Real-Time Tracking – Compliance monitoring and reporting.

MRO Oversight – All lab results reviewed for accuracy.

✔ Fair & Impartial Selection Process – Uses a scientific method to randomly select employees.
 Year-Round Testing Program – Conducted at various intervals to maintain compliance and workplace safety.
 SAMHSA-Certified Lab Analysis – This guarantees accurate, legally defensible results.
✔ Complete Program Management – We oversee selection, notifications, and compliance tracking for seamless operations.

Immediate Post-Accident Drug Testing

✔ DOT-Compliant Testing – Required for employees involved in DOT-regulated accidents.
✔ Timely & Efficient Screening – Testing is performed immediately after an incident to ensure accuracy.
 SAMHSA-Certified Lab Processing – Ensures legally defensible and precise results.
✔ Reduces Liability & Ensures Safety – Helps determine if substance use contributed to the accident.

24/7 Availability – Support for DOT and Non-DOT post-accident needs.

Proper Documentation – Chain-of-custody and reporting handled correctly.

Nationwide Support – Collections available anywhere testing is required.

Suspicion-Based Drug & Alcohol Testing

Supervisor-Initiated Testing – Conducted when clear signs of substance use are observed.
DOT-Compliant Process – Fully compliant with federal regulations for reasonable suspicion testing.
Expert Training for Supervisors – Equips managers with the skills to recognize impairment.
Immediate & Confidential Testing – Ensures swift action to maintain workplace safety.
Accurate & Legally Defensible Results – Testing conducted in SAMHSA-certified labs.

✔ Secure Collection Process – Ensures proper procedure and documentation.

Return-to-Duty & Follow-Up Testing Services

OmniLab Diagnostics provides comprehensive Return-to-Duty (RTD) and Follow-Up Testing Services to support employees resuming safety-sensitive duties after a drug or alcohol violation. Our services ensure compliance with Department of Transportation (DOT) regulations, promoting a safe and compliant workplace.​

Mandatory Return-to-Duty Testing – Required before an employee resumes safety-sensitive duties after a drug or alcohol violation. Fully monitored with MRO oversight.
Minimum of Six Follow-Up Tests – DOT regulations mandate at least six unannounced tests within the first 12 months.
SAP Process Support – Clear guidance for individuals returning to safety-sensitive duty.
Direct Observation Requirement – All return-to-duty and follow-up tests must be conducted under direct observation.
Extended Monitoring Period – Testing may continue for up to 60 months, based on SAP recommendations.

Reliable DOT & Non-DOT Drug Testing for Workplace Safety

OmniLab Diagnostics provides fast, accurate, and fully compliant drug testing solutions for regulated and non-regulated employers. Whether you need pre-employment testing, random pool management, or support for post-accident and return-to-duty processes, our team is here to help.
Schedule your testing today and experience professional, dependable service from start to finish.

Main Office Location: 4193 Flat Rock Drive Ste 200-248 Riverside, CA 92505 (By Appointment Only)

Serving areas in Riverside County, Orange County, Los Angeles County, San Diego County, San Bernardino County, and throughout California. Nationwide services available.

Office: (951) 452-2130
Fax: (951) 636-6633
Email: info@omnilabdiagnostics.com

Monday – Friday 8:00 am – 5:00 pm
Saturday 8:00 am – 1:00 pm
Sunday – Closed
Before and after-hours services available upon request. Call for availability

 © 2026 Omni Lab Diagnostics. All rights reserved.

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