Magnus Diagnostics Laboratories

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Dependable Drugs of Abuse Testing
Where Accuracy & Precision Meet

Test Tubes

Urine Testing


Drug Screening

The Team You Can Trust for Drug Testing

Find out the truth and fight the epidemic of addiction with drug testing by Magnus Diagnostics Labs. Supported by a staff with more than 75 years of research and laboratory experience, our CLIA certified and licensed testing laboratory is applying our expertise to help solve the problem of drug addiction and abuse in America today.

Testing Services

The best way to start fighting an addiction is for the problem to be revealed. We can help by providing accurate and precise urine drug testing results. Services can be arranged to accommodate your busy schedule, and our fleet of couriers will come directly to your facility to pick up specimens with fast turnaround time.

Focused on Care

Our clients in the Bethesda, Maryland and Metropolitan area appreciate that we are local and responsive. We answer all questions and concerns quickly and accurately, focusing on customized and personalized service for all of  your lab testing needs. We follow all HIPPA requirements. We are an approved CMS, Medicare and Medicaid provider.

Find out more about our drug screening services for your facility or agency.
Call (301) 654-5550  


Thank you for your interest. We look forward to hearing from you soon.

(301) 654-5550
(301) 654-5554 Fax

Hours of Operation
Monday - Friday, 9:00 a.m. - 5:00 p.m.

4641 Montgomery Avenue, Suite 400
Bethesda, Maryland 20814

Service Area
Bethesda, MD, the Baltimore Area, & Metropolitan Washington, DC

Our Location