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. Author manuscript; available in PMC: 2017 Jul 1.
Published in final edited form as: Child Adolesc Psychiatr Clin N Am. 2016 Mar 30;25(3):549–565. doi: 10.1016/j.chc.2016.02.005

TABLE 1.

Windows of detection in urine for various substances.

Detection Windows by Drug Test Type
Substance Urine Hair Oral Fluid Sweat
Alcohol 10-12 hours N/A Up to 24 hours N/A
EtG -- Up to 48 hours

Amphetamines 2 to 4 days Up to 90 days 1-48 hours 7-14 days

Methamphetamine 2 to 5 days Up to 90 days 1-48 hours 7-14 days

Barbiturates Up to 7 days Up to 90 days N/A N/A

Benzodiazepines Up to 7 days Up to 90 days N/A N/A

Cannabis (Marijuana) 1-30 days Up to 90 days Up to 24 hours 7-14 days

Cocaine 1 to B days Up to 90 days 1-36 hours 7-14 days

Codeine (Opiate) 2 to 4 days Up to 90 days 1-36 hours 7-14 days

Morphine (Opiate) 2 to 5 days Up to 90 days 1-36 hours 7-14 days

Heroin (Opiate) 2 to 3 days Up to 90 days 1-36 hours 7-14 days

PCP (Phencyclidine) 5 to 6 days Up to 90 days N/A 7-14 days

LSD, Mushrooms, Synthetic Cannabinoids, Ecstasy (MDMA) will not be detected by typical drug testing