RT Book, Section A1 Buening, Natalie R. A2 Attridge, Rebecca L. A2 Miller, Monica L. A2 Moote, Rebecca A2 Ryan, Laurajo SR Print(0) ID 57296396 T1 Lab/Drug Interactions and Drugs of Abuse T2 Internal Medicine: A Guide to Clinical Therapeutics YR 2013 FD 2013 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-174580-2 LK accesspharmacy.mhmedical.com/content.aspx?aid=57296396 RD 2024/04/23 AB Table Graphic Jump LocationTable E-1 Drugs of Abuse: Urine Detection Time*View Table||Download (.pdf)Table E-1 Drugs of Abuse: Urine Detection Time*(Mayo Clin Proc 2008;83:66; Chyka PA. Substance abuse and toxicological tests. Interpreting Laboratory Data 3rd ed. Bethesda, MD: American Society of Health System Pharmacists, 2004)DrugTimeAmphetamines48h–2wkLong-term use = 2wkBarbiturates24h–4wkLong-acting (phenobarbital) = 4wkBenzodiazepines72h–4wkLong-acting (diazepam) = 4wkCocaine12–96hCannabinoids72h– >4wkSingle use = 72h; moderate use = 1wk; daily use = 2wk; long-term use ≥ 4wkOpioids48h–1wkAssay specific for morphine with varying cross-reactivity for semisynthetic/synthetic opioidsSustained release formulations = 1wkPhencyclidine1wk– >4wkLong term use = >4wk*Detection times affected by PK, metabolites, dose, route, time of last ingestion, body mass, urine pH.