Drug testing programs have traditionally relied on urine as the primary specimen for workplace, clinical, and forensic testing. However, oral fluid testing has gained significant momentum in recent years due to advances in laboratory technology, regulator

What are THC Isomers?For many years, cannabinoid testing focused primarily on Δ9-tetrahydrocannabinol (Δ9-THC), the principal psychoactive component of cannabis. However, the modern cannabinoid marketplace has expanded significantly with the introduction

Why is a 0.1ng/mL cutoff important?Fentanyl is a highly potent opioid with clinically relevant levels at extremely low (sub-ng/mL) concentrations¹. In oral fluid, these levels are significantly lower than in urine, making high analytical sensitivity essen