We are conveniently located in DC,Virginia & Baltimore

DC & VA Working hours: Monday to Friday from 8am - 5pm
& Saturday 8am - 1pm

Call-DC 202-234-1234 Virginia: 703-566-2189

BALTIMORE Working hours: Monday to Friday from 8am to 4pm

Call Baltimore: 443-682-7878

About Us

Metro Lab is a full-service laboratory testing facility located in the heart of Washington, D.C. on two major corridors Georgia Avenue and 4th Street, NE off Rhode Island Avenue. Metro Lab specializes in toxicology and substance abuse testing, emergency medical toxicology, therapeutic drug monitoring, and industrial biological testing services. At Metro Lab, we serve a diverse customer base located throughout the metropolitan Washington D.C. area, including Northern Virginia, Maryland, and the District of Columbia, as well as the entire United States. Our customers include physicians and their patients, hospitals and managed care plans, private employers, military, law enforcement agencies, and pharmaceutical and biotechnology companies. Whether assisting organizations or individuals, we provide comprehensive testing services, highly accurate results, and fast and convenient service. Further, Metro Lab is accredited by the CLIA and Forensic Urine Drug Testing program and is certified as a Certified Business Enterprise (CBE).

Metro Lab features a broad array of services and solutions. Our extensive capabilities include drug and alcohol testing, laboratory testing, DNA testing, as well as physical exams. Our drug tests include breath, blood, urine, hair, as well as saliva analysis, and are ideal for companies requiring either D.O.T. testing or non-D.O.T. testing. We also provide comprehensive laboratory testing, from cholesterol checks to Diabetes checks to Complete Metabolic Panel (CMP). For clients with an interest in determining biological relationships, we offer full DNA testing. Put simply, our turnkey laboratory testing services enable us to meet any testing requirement.

Notably, Metro Lab’s mission is to serve as a single source for diagnostic laboratory testing and medical treatment. We remain committed to the improvement of public health through unparalleled diagnostic insights and innovative technology. At Metro Lab, we continually strive to provide high-quality laboratory tests and services that help physicians provide improved patient care. In addition, Metro Lab is committed to assisting in the development and delivery of new laboratory tests that provide enhanced accuracy and additional clinical information.

Best of all, our technical team consists of highly knowledgeable and experienced professionals who are well-known for providing accurate results and superior service that our clients have come to depend on day after day.

Why Choose Us?

  • CLIA certification
  • We work with NIDA (S.A.M.H.S.A.) certified laboratories
  • Breathalyzer alcohol testing - available on-site specimen collection
  • Post accident collection and testing
  • Medical review officer services
  • D.O.T. and non-D.O.T. drug testing
  • Random selection service in all 50 states
  • D.O.T. Certified medical examiner for CDL, Taxi, Home Health, Security, and many more


3422 Georgia Ave. NW
Washington DC 20010
Phone: 202.234.1234


2207 4th Street Northeast
Washington DC 20002
Phone: +1 202-629-4107

© Metro Lab All Rights reserved