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Drug Testing in North America

Client Services

Our award winning customer service team is a certified Center of Excellence, and has received one of the most prestigious awards in the customer service and support industry. We are honored to be recognized by BenchmarkPortal, the global leader in call center certification, for our world-class performance in the customer service area, and the results achieved clearly indicate our passion for excellent client care.

We value our clients and this award gets to the heart of why we are in business: to help our clients succeed in their business. Read our release here.

Psychemedics Corporate Office

Corporate Headquarters
289 Great Road, Suite 200
Acton, MA 01720
United States
(800) 628-8073

Client Service Hours
7:30 AM — 7:30 PM CST
Monday — Friday
P: (800) 522-7424

International Psychemedics Locations


For companies based in Europe and looking to test in Europe, please contact +44 (0)7823334206

Asia, Australia, Canada & Mexico

For companies based in Asia, Australia, Canada, and Mexico, please contact (877) 517-2033.

Central & South America (excluding Brazil)

For companies based in South or Central America and looking to test in South or Central America, please contact:


For companies based in Brazil, please contact:


For companies based in Turkey and looking to test in Turkey, please contact:

Psychemedics Turkey Office
Asist lc ve Dis Ticaret A.S.
Bayraktar Bulvari, Kule Sok. No:25/3
Serifali 34775 Umraniye
Istanbul, Turkey