Reliable Testing. Professional Compliance. Mobile Convenience.
Drug Testing. Compliance. Workforce Health. Solutions You Can Trust.
OmniLab Diagnostics provides professional DOT and Non-DOT drug testing, alcohol testing, mobile collections, background screening support, and employer compliance solutions throughout Riverside County, the Inland Empire, surrounding Southern California areas, and nationwide through partner networks.

Who We Serve
Supporting Employers, Schools, and Individuals
From national fleets to a single driver, OmniLab Diagnostics delivers the same fast, professional, compliance-ready service.
- Trucking & Transportation Companies
- CDL Drivers & Owner-Operators
- Schools & Training Programs
- Warehouses & Logistics Companies
- Staffing Agencies
- Construction & Industrial Employers
- Legal & Court-Related Testing
- Individuals Needing Private Testing
Core Services
Testing and Compliance, Done Right
A complete suite of drug testing, alcohol testing, and compliance services built around speed, accuracy, and confidentiality.
DOT Drug & Alcohol Testing
Compliance-focused testing for FMCSA-regulated employers, CDL drivers, owner-operators, and transportation companies.
Learn moreNon-DOT Drug Testing
Flexible testing options for employers, schools, individuals, and workplace safety programs.
Learn moreAlcohol Testing
Professional alcohol testing services for workplace, DOT, legal, and personal needs.
Learn moreMobile & On-Site Testing
We bring testing directly to your workplace, school, facility, or approved location.
Learn moreBackground & Employment Screening
Support for employer onboarding, workplace safety, and hiring compliance.
Learn moreSAP / Return-to-Duty Support
Administrative support for drivers and employers managing follow-up testing requirements.
Learn moreConsortium / Random Program Support
Random testing program support for DOT-regulated employers and owner-operators.
Learn moreWhy Choose OmniLab
Compliance Without Confusion
OmniLab Diagnostics was built to help businesses stay compliant without confusion. We understand that employers need speed, accuracy, privacy, and a partner who can explain the process clearly. Our mission is to make testing simple, professional, and dependable.
- Fast scheduling
- Mobile and in-office options
- Employer-focused service
- Compliance-driven processes
- Confidential handling
- Professional communication
- Support for small businesses, schools, and transportation companies
Built for Employers Who Need Testing Done Right
Whether you manage one driver, a growing team, a school program, or a workforce across multiple locations, OmniLab Diagnostics helps simplify testing, scheduling, compliance, and documentation.
Affordable Testing Solutions for Schools and Training Programs
We partner with schools, training programs, and workforce development organizations to provide professional student drug testing, physical coordination support, and convenient scheduling.
Mobile & On-Site
We Come to You
Save time and reduce disruption with mobile and on-site testing options for employers, schools, and organizations.
Testimonials
Trusted by Employers, Schools, and Drivers
Professionals across Southern California rely on OmniLab Diagnostics for fast, dependable, compliance-ready testing.
“OmniLab took the guesswork out of our DOT program. Scheduling is fast, results are clear, and their team actually explains the compliance side.”
“The mobile testing option saved us hours. They came on-site, handled everything professionally, and kept our drivers on the road.”
“As a CDL school, we needed dependable student testing and easy scheduling. OmniLab has been a reliable, responsive partner.”
Ready to Schedule or Request Pricing?
OmniLab Diagnostics is by appointment only in Riverside, CA. Book service, request a quote, or call us with a compliance question.
