Blog

We are excited to announce the addition of xylazine and psilocin to our hair and nail testing menus; the addition of extended cannabinoid options for our ChildGuard® testing menu; and the addition of gabapentin and dextromethorphan to our urine testing menu. These substances can be ordered beginning May 19, 2025.
Click here to learn more about our new testing options.
For more information on hair testing click here, for more information on nail testing click here, for more information on ChildGuard® testing click here, and for more information on urine testing click here.
- USDTL’s Integration and Partnership With CourtFact
- New Year, New Capabilities: Offering Forensic & Clinical Testing Options
- Weather Delay
- 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
- January 2026 (3)
- October 2025 (1)
- July 2025 (3)
- May 2025 (2)
- April 2025 (2)
- March 2025 (2)

