Archives of Pathology & Laboratory Medicine
False Results in Urine Drug Screen for Amphetamine, Methamphetamine, and Ecstasy: A Systematic Review
Context.— Amphetamines and methamphetamines are used for their hallucinogenic and euphoric effects. Owing to structural similarity of the drugs and lack of specificity in antibody-based drug screening methods, these tests are associated with false results, which can lead to misinterpretation with catastrophic consequences. Objective.— To summarize all drugs and chemicals that can lead to false-positive and false-negative test results for amphetamine and methamphetamine. Data Sources.— A systematic literature search …