Hair drug testing is the most well-situated and successful method to determine chronological use of drugs in a person. When drugs are addicted by a person, it gets converted in to its byproducts which are called as metabolites up on metabolic process. These drug metabolites are integrated into the organization of the hair, mainly absorbed by hair follicle. By examining hair filament with a gas chromatography / mass spectrometry (GCMS) instrument, the characteristics of the drug metabolites can be predicted.
Hair drug test can be carried out with the help of 5 panel drug test kit. The drug s which is tested by the drug multi panel screen test is amphetamine, cocaine, marijuana, opiates and PCP. Drug testing panel is dependent on the each drug cut of levels. Secondary testing is also conducted to check for the confirmation.
5 panel drug tests require 100 strands of hair for a single test. The length of hair is important in testing as it provides more information with it. The hair strands are made in to pieces of length 0.25 inches. Hair sample are collected from either scalp or from body. Pubic hair gives out more information about the drug and its metabolites.
Hair sample collection is administered by the third person and chain custody is maintained through out the test. It is essential to maintain the test secrets and chain custody plays a vital role in it.
Hair drug test are conducted for the employers at work place, in army, for cops, in drivers, in parents of teenagers, in rehab program for measuring the effectiveness of therapy. Hair drug testing has benefitted many companies to hire drug free workers. It is widely accepted process in the companies. Hair follicle drug test information is more than enough to know about drug chronology in a person.