What is the difference between the “quick test” urine drug screen and the urine drug screen sent to a lab?

Published July 29, 2010

Question by Nancy E: What is the difference between the “quick test” urine drug screen and the urine drug screen sent to a lab?
If you have a negative urine “quick test” is it possible to have a positive “extensive” test? Is there a method to cleanse your system where trace of the drug THC is removed for both of the above test?

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