Immunoassays are routinely used to provide rapid urine drug screening results in the clinical
setting. These screening tests are prone to false-positive results and ideally require …

Objectives Clinical laboratory testing provides essential data for making medical diagnoses.
Generating accurate and timely test results clearly communicated to the treating clinician …

Bile has emerged as an alternative matrix for toxicological investigation of drugs in
suspected forensic cases of overdose in adults and intoxications in children. Toxicological …

Background High-throughput fentanyl immunoassays have recently emerged for clinical
use, but early reports have demonstrated relatively high false-positive rates. The purpose of …

Introduction Immunoassay urine drug screen (UDS) is frequently used in clinical practice for
initial screening process, being generally available, fast, and inexpensive. Exposure to …

With a wider availability of synthetic and semi-synthetic cannabinoids in the consumer
space, there is a growing impact on public health and safety. Forensic toxicology …

Background Substance use during pregnancy is common, as is biological testing that is
intended to help identify prenatal exposures. However, there is no standardized requirement …

Since 1999, the opioid epidemic in North America has resulted in over 1 million deaths, and
it continues to escalate despite numerous efforts in various arenas to combat the upward …

Background Screening for fentanyl has been adopted by many clinical laboratories to detect
illicit drug use and monitor medication adherence. However, compared to other urine drug …

The need for toxicological screening of amphetamine users is growing in parallel with its
increasing abuse. At the same time, it turns out that these substances most often give false …