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OmniLab Diagnostics provides fast, reliable Drug Testing and DOT compliance services for individuals, employers, and transportation companies. Based in Riverside, California (CA), we offer both in-lab testing and mobile/on-site specimen collections. - By Appointment Only – All services are scheduled in advance for your convenience and privacy. - Extended Hours Available – We provide flexible before- and after-hours testing to accommodate your schedule. Our certified team conducts urine, hair, saliva, and alcohol screenings with strict chain-of-custody procedures to ensure accurate results. We also provide DNA testing, employment background checks, and more. Serving Riverside County, CA, and surrounding areas, OmniLab Diagnostics is your trusted community partner for workplace safety, compliance, and affordable testing solutions.
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Fastest Labs of Riverside is your fastest pathway to drug testing in the industry! We also do paternity tests and various DNA tests as well.
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