DOT Drug Testing in Los Angeles

We are committed to helping employers maintain safe workplaces while helping drivers remain compliant with DOT regulations.

DOT Drug Testing Services for Commercial Drivers in Los Angeles

Ross Health Care Clinic provides professional DOT drug testing in Los Angeles for commercial drivers, trucking companies, transportation businesses, government agencies, and employers that must comply with Federal Motor Carrier Safety Administration (FMCSA) and Department of Transportation (DOT) regulations.

Conveniently located in Commerce, California, we proudly serve businesses and drivers throughout Los Angeles County with accurate, confidential, and timely DOT drug testing services. Whether you need a pre-employment drug test, random testing, post-accident testing, reasonable suspicion testing, return-to-duty testing, or follow-up testing, our experienced staff ensures every test meets federal compliance standards.

We are committed to helping employers maintain safe workplaces while helping drivers remain compliant with DOT regulations.

What Is DOT Drug Testing?

DOT drug testing is a federally regulated screening program required for safety-sensitive employees working in the transportation industry. Testing follows strict procedures established by the U.S. Department of Transportation and includes certified collection methods, laboratory analysis, and Medical Review Officer (MRO) verification.
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DOT drug testing is designed to promote public safety by ensuring commercial drivers and other transportation professionals are free from prohibited drug use while performing safety-sensitive duties.

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DOT Drug Testing Services We Offer

Ross Health Care Clinic provides a complete range of DOT drug testing services, including:

Pre-Employment Drug Testing

Required before a driver performs safety-sensitive duties.

Random DOT Drug Testing

Employers must conduct random drug testing throughout the year according to DOT regulations.

Post-Accident Drug Testing

Testing required after qualifying workplace accidents to comply with FMCSA regulations.

Reasonable Suspicion Testing

Conducted when a trained supervisor has reason to believe an employee may be under the influence of drugs.

Return-to-Duty Testing

Required before a driver can return to safety-sensitive work following a DOT violation.

Follow-Up Testing

Performed according to the Substance Abuse Professional (SAP) treatment plan after a driver returns to work.

Who Needs DOT Drug Testing?

We provide testing for:

CDL Drivers
Truck Drivers
Bus Drivers
Commercial Fleet Operators
Owner Operators
Delivery Drivers
Transportation Companies
Government Contractors
Municipal Agencies
Safety-Sensitive Employees

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Why Choose Ross Health Care Clinic?

Drivers and employers choose Ross Health Care Clinic because we provide:

FMCSA-Compliant Testing
Certified Collection Site
Fast Appointments
Walk-Ins Welcome
Experienced Occupational Health Staff
Prompt Laboratory Processing
Accurate Reporting
Employer Solutions
Bilingual Staff
Convenient Commerce, CA Location

Our goal is to make the testing process efficient while ensuring full DOT compliance.

Serving Employers Throughout Los Angeles

Ross Health Care Clinic proudly serves employers and drivers from:

Los Angeles, Commerce, East Los Angeles, Montebello, Downey, Bell, Huntington Park, Vernon, South Gate, Maywood, Bell Gardens, Pico Rivera, Whittier, Monterey Park, Alhambra, Pasadena

Many transportation companies rely on our clinic for dependable DOT drug testing and occupational health services.

Schedule Your DOT Drug Test in Los Angeles

Whether you are an employer, owner-operator, or commercial driver, Ross Health Care Clinic provides reliable DOT drug testing services that meet all federal requirements.

Contact our team today to schedule your appointment or learn more about our employer testing programs.

Frequently Asked Questions

How long does a DOT drug test take?

Most appointments take approximately 15 to 30 minutes.

Can I walk in for a DOT drug test?

Yes. Walk-ins are welcome based on availability. Appointments are recommended for faster service.

Is DOT drug testing different from a non-DOT drug test?

Yes. DOT drug testing follows federal regulations, including chain-of-custody procedures, certified laboratories, and Medical Review Officer (MRO) review.

What happens if my test result is positive?

Positive results are reviewed by a certified Medical Review Officer, who will contact the donor to determine if there is a legitimate medical explanation before reporting the verified result.

How often do employers need random DOT drug testing?

The frequency is determined by DOT regulations and the employer’s random testing program requirements.

Explore Our DOT Compliance & Occupational Health Services

At Ross Health Care Clinic, we are committed to helping commercial drivers, owner-operators, employers, and transportation companies maintain compliance with federal regulations while promoting a safe and healthy workplace. Our experienced team provides comprehensive DOT compliance, occupational health, and workplace testing services throughout Los Angeles and Southern California.

Whether you need a DOT physical, drug or alcohol testing, Clearinghouse assistance, or a complete employer compliance program, we offer reliable, professional services designed to keep you on the road and your business compliant.

Our Services

DOT Physical Exams – FMCSA-certified medical examinations for commercial drivers.
DOT Drug Testing – Federally compliant drug testing for employers and CDL drivers.
CDL Medical Exams – Medical certification and DOT medical cards for commercial drivers.
DOT Alcohol Testing – Professional breath alcohol testing that meets DOT regulations.
Random DOT Drug Testing Programs – Complete administration of random testing programs for employers and owner-operators.
DOT Clearinghouse Registration – Assistance with FMCSA Clearinghouse registration and compliance.
USCG Drug Testing – Coast Guard-compliant drug testing for mariners and maritime employers.
Hair Drug Testing – Long-term drug screening for employment, legal, and personal testing needs.
Reasonable Suspicion Training – Supervisor training to recognize signs of drug and alcohol impairment and maintain DOT compliance.
Third Party Administrative (TPA) Services – Complete DOT compliance management, recordkeeping, and program administration for employers.

No matter your compliance needs, Ross Health Care Clinic is your trusted partner for professional occupational health services, helping individuals and businesses stay compliant, safe, and productive throughout Los Angeles.

CALL US: 323-780-1650 •

EMAIL: rosshealthcare@gmail.com