How long is GHB detectable?
GHB has an exceptionally short detection window: often only a few hours. With GHB the timing of the test decides almost...
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Detection Times & Cut-off Values
How long drugs stay detectable, cut-off values and test methods.
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Articles
How long is amphetamine (speed) detectable?
Amphetamine is usually detectable for 1 to 3 days in urine and up to 90 days in hair. Some medicines can distort a rapid...
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How long is ketamine detectable?
Ketamine is usually detectable for 1 to 3 days in urine and up to 90 days in hair. Standard rapid tests often do not rec...
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How long is cocaine detectable in urine, blood and hair?
Cocaine is usually detectable for 1 to 4 days in urine, hours to a day in blood and saliva, and up to 90 days in hair. S...
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What is a cut-off value in a drug test?
The cut-off is the threshold above which a test is positive. See the typical cut-off values per substance and why the th...
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Home drug test vs lab test: how reliable are test strips?
A home strip gives an indication, a lab test a provable value. Read when a strip suffices and when you need a lab confir...
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False positive drug test: which medicines and foods influence the result
An innocent medicine or food can make a rapid drug test false positive through cross-reaction. See which ones and what t...
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Urine, saliva or hair: which drug test fits you?
Urine, saliva or hair: each matrix covers a different time window. Compare the three test types and choose the test that...
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How long do drugs stay detectable?
How long drugs stay detectable depends on the substance, the test material and the person. See the detection window per...
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