Our Experts
Donna Coy
Laboratory Director Ph.D., NRCC-TC
Dr. Donna Coy is the Laboratory Director for USDTL with over 10 years of experience in the forensic toxicology field. Dr. Coy is a certified Toxicological Chemist through the National Registry of Certified Chemists and currently serves as the President of the Midwest Association for Toxicology and Therapeutic Drug Monitoring (MATT). Dr. Coy has co-authored several peer-reviewed scientific articles and qualified as an expert witness in over 200 family and civil court proceedings.
Contact USDTL
1.800.235.2367
Client Services
By Phone: 1.800.235.2367
Business Hours (CST)
Monday....................7am-7pm
Tuesday....................7am-7pm
Wednesday.............7am-7pm
Thursday..................7am-7pm
Friday........................7am-7pm
Saturday...................8am-5pm
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Our print materials will keep you up to date on the latest news in drug and alcohol testing.
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For your convenience, USDTL provides test collection supplies at no additional charge.
