Interference with testing for lysergic acid diethylamide
Clinical Chemistry April 1, 1997 Detlef Ritter, Cherise M Cortese, Linda C Edwards et al. 24 citations
Abstract We found a high rate (4.2%) of positive results for lysergic acid diethylamide (LSD) by Emit in 1898 urine samples that were submitted primarily from psychiatric patients for drugs-of-abuse (DOA) testing. Specimens that tested positive for LSD by Emit subsequently tested negative for LSD with two RIAs. Furthermore, LSD was not detected in randomly selected Emit-positive urine samples...