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  • December 24th, 2010

    Marijuana Drug Testing Facts

    Get to know with these very interesting marijuana drug testing facts.

    Marijuana: highest consume drug in the World. Marijuana drug screening is control by the probation officers, parents, employers and several other drugs testing authority. There are so many types in the marijuana drug testing facts which includes hair follicle and saliva drug testing as well. The entire screening processes are able to give right percentage of drug metabolites in body organs. Though you can not check exact drug level inside the body and need to interpret result from drug metabolites only.

    1. Biological specimen testing- Marijuana is mainly detected by urine testing, blood or saliva. It is collected from an individual and send to FDA approved laboratories. All this drug tests have different detection window period. For example, with hair follicle testing you can check marijuana presence up to 3 months. Where as in case of saliva drug testing you get chance to detect THC metabolite presence only till 24 hours after marijuana abuse. To get more accurate result, blood test is most feasible one. However, it is quite costly. As said earlier, if you are looking for long history of smoking, then there is no great option other than hair follicle testing. One most asked question related to this is with hair follicle drug test how long you can trace the marijuana presence. Answer of the above question is you can back as long as 3 months. Depending on hair length, you can check drug history. Marijuana traces gets accumulated inside the fat cells. It includes hair shafts as well. As long as person’s hair has growth, marijuana traces remain encased on scalp.

    One major risk in marijuana testing is getting false positive result. Reason behind this is, Marijuana fall in class 5 drugs. It has almost more than 80 different drug metabolites. These drug metabolites show similar chemical resemblance with the THC traces. Have chances of getting false positive result increases. If you take example of prescribed medicines against pain, they have some chemicals which come positive against marijuana.

    With any form of drug testing, you can not interpret actual timing of drug abuse. There are some very wide guesses for low long the drug metabolites remain in the system. Before going for screening, know drug detection window period and cut off level for marijuana.

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