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How Long Are Substances Detectable?
Last Updated: 09/17/2021
Have you ever wondered how long substances are detectable in a urine drug test? Below is an overview of some substances that are detected and their detection time in urine drug testing.

Opioids
Substance Detected As Detection Time in Urine
Buprenorphine Buprenorphine & Norbuprenorphine 2 to 4 days
Codeine Codeine & Morphine 2 to 3 days
Dihydrocodeine Dihyrocodeine & Hydrocodone 2 to 3 days
Fentanyl Fentanyl 1 to 3 days
Heroin 6-MAM & Morphine 8 hours
Hydrocodone Hydrocodone & Hydromorphone 1 to 3 days
Hydromorphone Hydromorphone 1 to 3 days
Levorphanol Levorphanol Unknown
Meperidine Meperidine & Normeperidine 1 to 2 days
Methadone Methadone Up to 14 days
Methadone metabolite (EDDP) 2-ethylidene-1,5-dimethyl-3,3-diphenylpyrroldine Up to 14 days
Morphine Morphine 2 to 3 days
Oxycodone Oxycodone & Oxymorphone 2 to 3 days
Oxymorphone Oxymorphone 2 to 3 days
Propoxyphene Propoxyphene & Norpropoxyphene Up to 7 days
Tapentadol Tapentadol 2 to 3 days
Tramadol Tramadol & O-Desmethyltramadol 2 to 4 days
Benzodiazepines
Substance Detected As Detection Time in Urine
Alprazolam alpha-Hydroxyalprazolam 2 to 4 days
Chlordiazepoxide Nordiazepam Oxazepam 2 to 4 days
Clonazepam 7-Aminoclonazepam 2 to 4 days
Diazepam Nordiazepam & Oxazepam 2 to 7 days
Flunitrazepam 7-Aminoflunitrazepam Unknown
Flurazepam 2-Hydroxyethyl flurazepam Up to 20 days
Lorazepam Lorazepam 5 to 7 days
Midazolam alpha-hydroxymidazolam Unknown
Oxazepam Oxazepam 2 to 7 days
Temezpam Oxazepam & Temezepam 1 to 4 days
Triazolam alpha-Hydroxytriazolam 1 to 2 days
Musculoskeletal Relaxants
Substance Detected As Detection Time in Urine
Carisoprodol Carisoprodol 1 day
Meprobamate Meprobamate 2 to 3 days
Stimulants
Substance Detected As Detection Time in Urine
Amphetamines Amphetamine 3 to 5 days
Cocaine metabolite (BE) Benzoylecgonine 1 to 2 days
Methamphetamine AMPH & MAMPH 3 to 5 days
Methylenedioxyamphetamine MDA 3 to 5 days
Methylenedioxymethamphetamine MDA & MDMA 3 to 5 days
Methylenedioxyethylamphetamine MDA & MDEA 3 to 5 days
Other Substances
Substance Detected As Detection Time in Urine
Cannabinoids (THC) THC-COOH Up to 45 days
Phencyclidine (PCP) PCP Unknown
Nicotine Cotinine 1 to 3 days
Alcohol EtOH 2 to 10 hours


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