Contact Us

For Business and Partnership Inquiries:
Marisa Warren
Director of Business Development
mwarren@a1drugtestservices.com

Clinic Locations & Hours:

St. Louis:
637 Dunn Road, Suite 135
Hazelwood, MO 63042
(314) 972-9600

Collections by appointment or Walk-in
Monday- Friday 8:30am-4:00pm

Chicago:
2310 York St, Suite 4A
Blue Island, IL 60426
Monday- Friday 8:30am-4:00pm
(708) 388-2245

Collections by appointment or Walk-in
Monday- Friday 8:30am-4:00pm