Blog
The Detection of Fentanyl in Hair Specimens
Joseph Jones, Ph.D., NRCC-TC, Chief Operating Officer at USDTL discusses the toxicology of fentanyl in hair specimens followed by a brief Q&A.
As innovators in substance abuse toxicology, USDTL has been testing for fentanyl in hair specimens for over a decade, well before it was a mainstream drug of abuse. In this webinar, we share with you what we have learned about the dangers of fentanyl specifically, and the trends we have seen to help you understand why testing in hair specimens is beneficial.
What You’ll Learn
- Why fentanyl is so dangerous compared to other opioids
- Relevant data and case report overview
- Fentanyl trends in hair specimens at USDTL
- And more…
- The Detection of Delta-9-tetrahydrocannabinol, Delta-8-tetrahydrocannabinol, Delta-10-tetrahydrocannabinol, and Cannabidiol in Hair Specimens
- Umbilical Cord Tissue Testing for Ketamine
- Drugs of Abuse: A DEA Resource Guide (2024)
- Beyond THC and CBD: Understanding New Cannabinoids
- New Xylazine, Psilocin, Gabapentin, Dextromethorphan, and Extended Cannabinoids Testing at USDTL
- Psilocin: The Magic Behind the Mushroom
- Fetal Fentanyl Syndrome: Why Detecting Newborn Fentanyl Exposure Matters Now More Than Ever
- DMT: An Overview
- October 2025 (1)
- July 2025 (3)
- May 2025 (2)
- April 2025 (2)
- March 2025 (2)
- February 2025 (1)


