Methamphetamines Drug Test. An increasingly common drug, Methamphetamine is an addictive stimulant, related to amphetamine but stronger.
Meth drug testing is a technical analysis of biological specimen done to detect the presence of methamphetamine metabolites in the person’s body.
Meth Cutoff Levels:
Hair meth cut off level – The drug cut-off level for methamphetamine using the hair follicle test is 300 ng/ml.
Saliva meth cutoff level – The drug testing cut-off level for meth using saliva test is 50 ng/ml.
Urine meth cutoff level – The cut-off level for the urine initial test is 500 ng/ml while confirmatory test, which is done through gas chromatography and mass spectrometry, is 250 ng/ml.