The study demonstrates that, in May 1987, testing urine for drugs of abuse can be accurate.
All laboratories challenged in this study currently perform such testing under contract and …

With sound analytical methodology, good laboratory practice, and intact specimen chain-
ofcustody, test result interpretation is the final element dictating the action to be taken …

Traditional clinical toxicology involves the analysis of patient urine samples by
immunoassays designed to detect opiates/opioids, amphetamine/methamphetamine …

It is essential to understand that any rapid urine drugs-of-abuse screening test should be
confirmed by an equally sensitive and more specific test. In this regard, the confirmation …

Urine drug testing is used in many applications, including preemployment screening, human
performance testing, neonatal care, probation monitoring, and emergency room care. Rapid …

Background Urine drug testing (UDT) is an essential tool to monitor opioid misuse among
patients on chronic opioid therapy. Inaccurate interpretation of UDT can have deleterious …

Bupropion is a commonly prescribed, monocyclic antidepressant often used as an aid for
smoking cessation. Several case reports have described false positive amphetamine urine …

Urine drug screening can enhance workplace safety, monitor medication compliance, and
detect drug abuse. Ordering and interpreting these tests requires an understanding of …

Analytical techniques are available to reliably detect and, if necessary, quantify drugs of
abuse and their metabolites in urine. A variety of different immunoassays are likely to remain …

In recent decades, urine drug testing in the workplace has become common in many
countries in the world. There have been several studies concerning the use of the urine …