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How do I read my hair follicle test results?
Understanding your results This test determines if the hair sample is negative for drug use. A negative result indicates that you haven’t engaged in illicit drug use over the past 90 days. Additional testing is required to confirm a positive result. A positive drug test is confirmed after 72 hours.
What shows up in a hair drug screen?
Hair drug tests typically test for cocaine, marijuana, opiates, methamphetamine, ecstasy, and PCP.
How can a baby fail a hair follicle drug test?
Child Exposure Testing
- Passive inhalation of drug smoke;
- Contact with drug smoke:
- Contact with sweat or sebum (skin oil) of a drug user;
- Contact with the actual drug; or.
- Accidental or intentional ingestion of illegal drugs.
What causes a false positive on a hair follicle test?
Prescription medications and certain foods, such as poppy seeds, may contain compounds that might lead to false positive results. Hair samples undergo a two-step process to ensure accurate test results. The first step involves an enzyme-linked immunosorbent assay (ELISA) test, which is a rapid screening method.
How long does hair follicle test take to get results?
Testing Process Results for specimens that screen negative for all drugs are generally available within 48 to 72 hours after specimens are received at the laboratory. Results for confirmation testing of presumptive positive screens are usually available within an additional 72 hours.
How accurate is hair follicle drug testing?
Hair follicle drug tests can determine whether a person has been using certain substances within the past 3 months. However, these tests cannot pinpoint the exact date of drug use because hair growth rates can vary widely among different people. Although hair samples undergo a two-step testing process, they are not 100 percent accurate.
How long does weed stay in your hair?
The most commonly cited number for the amount of time marijuana can be detected in your hair is 90 days. That time frame is calculated on the basis of how long it takes for hair at the root to grow past the scalp, and it takes into account the part of the hair that drug testers sample.
What can cause a false positive for meth?
The numerous cold medications that contain ephedrine and pseudoephedrine can also cause a false positive for amphetamine or methamphetamine on a urine drug screen.
What will make drug test positive for methamphetamines?
Rielee, if you mean methamphetamine, any amphetamine has the potential to give a false positive for methamphetamine, from cocaine to medications for ADHD, like Vyvanse, Ritalin and also rx diet pills like phentermine and didrex.