What is the procedure to test for drug abuse with hair?
Hair drug testing is one of the effective methods in drug testing. Hair is the long time proof for drug addiction because certain drug metabolites get build up in the hair shafts. Drug metabolites are considered as one of the nutrient for hair growth and remains even after 90 days from drug addiction. Elimination of drug from hair is a tough task as it is bonded to the hair shaft. Even if you shave the hair trace amount of drug metabolites will reside in the shafts.
Hair drug testing procedure is very simple but the process is cost effective. The basic need for hair drug testing is the hair specimen. Hair specimen may be a pubic hair or scalp hair. Pubic hair contains more amounts of drug metabolites than scalp hair. The length of hair sample required is about 2-5 inches. If the hair sample is long the detection of drug will be more accurate. As the hair grows by up taking the drug as nutrient drug also reside in the growing hair. Thus it provides accuracy for testing.
Hair samples are collected from the drug addicted individual. The samples are then sliced into small pieces. The samples are then prewashed to remove the contaminants such as other medication, oils and shampoos. The washed sample is then buffered in a solution and proceeded with the chemical analyzes. Gas chromatography technique and mass spectrometry are used to analyze the drug. These techniques have confirmed that the viability of hair specimen will lost up to 90 days.
Drug testing with the help of hair sample includes the test like drug test hair analysis, hair sample drug screen, drug testing kit hair, barbiturate drug follicle. Information on hair drug testing provides the whole history of drug addiction and abuse of the particular patient.
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