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. Author manuscript; available in PMC: 2018 May 30.
Published in final edited form as: Clin Toxicol (Phila). 2017 Jul 6;56(1):37–42. doi: 10.1080/15563650.2017.1339889

Table 3.

Comparison of self-report versus urine presence of specific drugs (n = 30).

Drug Self-report Parent compound or metabolites confirmed in urine
Heroin 30 28
Fentanyl 16 29
Norfentanyl N/A 28
Acetylfentanyl 0 9
U-47700 0 2
Cocaine 12 20
Methamphetamine 1 5
Methadone 2 5
Buprenorphine 1 5
Tramadol 0 7
Oxycodone 0 6
Hydrocodone 0 5
Alprazolam 3 6
Clonazepam 6 11
Lorazepam 0 2
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