How long can you detect drugs in urine?

How long do drug tests detect marijuana?

UrineBlood
Marijuana - Single Use1-7+ days12-24 hrs
Marijuana - Regular Use7-100 days2-7 days
Amphetamines1-3 days24 hours
Cocaine1-3 days1-3 days

Also asked, how long does it take for a drug test to come back for a job?

Labs generally report blood test results as quickly as they report urine test results. For most labs, that means results are available 24 hours after the specimen is tested, or 48 hours or more when the specimen must be delivered to a lab. Positive results add three or more days to the turnaround time.

How long can you save urine for a drug test?

If you can't hand your urine sample in within an hour, you should keep it in the fridge at around 4C (39F) for no longer than 24 hours. Put the container of urine in a sealed plastic bag first. The bacteria in the urine sample can multiply if it isn't kept in a fridge. If this happens, it could affect the test results.

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