Ethyl glucuronide (ETG) hair alcohol testing is a method used to detect the presence of ethyl glucuronide, a metabolite of ethanol (alcohol), in hair follicles. When a person consumes alcohol, it is metabolized in the body, and one of the metabolites produced is ethyl glucuronide. ETG can be incorporated into hair strands through blood circulation and can be detected for an extended period.
Here's how ETG hair testing typically works:
Collection: A small sample of hair is collected from the individual being tested. This sample is usually taken from the back of the head near the scalp.
Processing: The collected hair sample is then processed in a laboratory. The laboratory uses specific techniques to extract and analyze the presence of ethyl glucuronide in the hair shaft.
Detection Window: ETG hair testing is known for its longer detection window compared to other forms of testing. It can detect alcohol consumption over a period of several months. The standard detection window is often around 90 days, but it can vary depending on the length of the hair sample.
Accuracy: ETG hair testing is generally considered to be a reliable method for detecting alcohol consumption.
Applications: ETG hair testing is often used in situations where a longer-term history of alcohol use is needed, such as in legal cases, employment screenings, or monitoring individuals in recovery programs.
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