Does external exposure to certain drugs, like marijuana or crack smoke, affect the test results of hair?
No, to exclude the possibility of external contamination, provides HairConfirm Test ™ for the parent and metabolite (byproduct) of the drug. Drug metabolites may be present only as a result of direct consumption or absorption in the body. For the analysis of marijuana recognizes the laboratory, only the metabolite (THC-COOH). This metabolite is only produced by the body and is not an environmental contaminant.
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