A hair follicle drug test, or as we know it hair drug test, is one of the most accurate screens for illegal drug use as well as abuse of prescription medication. This particular test requires removing a small amount of your hair from the head by using scissors.
You have to analyze the sample for signs of illegal drug use, and it can look for drug abuse for up to 90 days before the test. You can choose the most common solution by checking Clear Drug Tests that will provide you with a comprehensive understanding of how to pass and what to do.
The most common drugs that it can find are:
When compared with urine screening, hair follicle drug test can quickly detect the continuous usage, while urinalysis can identify things you’ve used in the last few days. In case that your workplace insists or requires a hair follicle test to screen for illegal drugs abuse, they can do it randomly during employment or before hiring.
Some researches will also indicate that hair drug testing is an excellent solution for monitoring the drug use for individuals that are at risk or on probation.
What Happens During The Test?
When it comes to hair follicle test, you can conduct it in a hospital setting, or in the lab. Sometimes, technicians will come with their equipment straight to your workplace and use a kit that they need. According to latest advancements, you can also purchase at-home hair follicle test, but it is not as accurate as lab testing.
In case that your workplace has a policy where it is mandatory to take the test, you will have supervision. You will be able to dye your hair, to wash your hair, to use various styling products without affecting the accuracy of hair follicle test.
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The collector will cut between 100 and 120 hairs from the crown of your head, which we can consider as a slightly invasive procedure, but not as blood tests. They can quickly collect the hair from a different spot so that you can avoid getting a bald spot on your head.
In case that you do not have hair on your head, the tester can use your body hair for the test instead. The collector will place the hair inside the foil, with the idea to secure the envelope so that he can test it or mail it for overnight testing.
Understanding Your Results
The laboratory can determine the negative tests within one day after hair removal. This particular test is ELISA and used as a screen test. It will decide if your hair has something inside that will provide your employers idea whether you’re abusing some illicit substance.
A negative result means that you didn’t use anything in the last three months. Testers can conduct additional testing to prove that you are completely clear. When it comes to positive results, technicians will confirm it three days after the experiment.
If the test is positive, it will undergo the second test, that will confirm that it is positive. This particular test will also identify the specific drugs you have in your system. If technicians follow the exact testing procedures, the inconclusive results won’t happen.
Of course, in some cases, improper collection of hair specimen could lead to inconclusive results, which means that you have to repeat the entire test.
You can see this study: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2274831/ to determine the methodology for hair drug test.
The laboratory will deliver results to a company or individual that requested the test in the first place. You don’t have to worry, because most laboratories use private means such as phone call, secure fax or online interface that will provide you with test results.
Since lab results are confidential, you will have to sign a release because they pass them to your workplace.
How Accurate Is The Test?
The testing and collection of hair for this particular test have to follow specific regulations and standards so that test could prove accurate afterward. During the trial, the collected hair has to be washed and tested for various environmental contamination that could interfere with the overall results.
If you want to protect yourself against a false positive, you should conduct two tests so that you can rest assured all the way. The first one will deliver a result within 24 hours, while the second test can confirm and test for specific drugs that you have in your organism.
Of course, have in mind that certain medications can also influence the test. If you use opioid painkillers as a prescription, the drugs will show up in your analysis. Therefore, you should inform the employer before the trial starts that you have an order to use specific painkillers and other legal drugs for the satisfied chronic condition.