The amount of hair to be submitted to the lab should be roughly the size of a huge cotton ball when it comes to body hair. The test's accuracy has improved as standards have increased throughout the process, from sample collection to testing. Specific tests for detecting narcotics in hair have been improved, reducing false positives caused by hemp and poppy seeds. However, some prescription medication, such as narcotic painkillers, will result in a positive test result, so be sure to tell your boss you're taking them. Show your doctor's prescription if possible. If the worst happens and you fail the hair follicle test, don't worry; most employers will allow you to retake the test.
The amount of hair to be submitted to the lab should be roughly the size of a huge cotton ball when it comes to body hair. The test's accuracy has improved as standards have increased throughout the process, from sample collection to testing. Specific tests for detecting narcotics in hair have been improved, reducing false positives caused by hemp and poppy seeds. However, some prescription medication, such as narcotic painkillers, will result in a positive test result, so be sure to tell your boss you're taking them. Show your doctor's prescription if possible. If the worst happens and you fail the hair follicle test, don't worry; most employers will allow you to retake the test.
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