Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

What is the difference between EtG and FAEE?

April 26, 2017difference etg faee

0

Posted

What is the difference between EtG and FAEE?

1 Answer

0

Posted

The EtG marker is formed almost exclusively in the liver and is deposited into hair mainly from sweat. The FAEE marker is formed in blood and all tissues and gets into hair mainly by diffusion from the external sebum layer. Unlike the detection of drug metabolites in a hair test, environmental contamination (for example, being exposed to a drinking environment at a pub) can result in the detection of traces of ethanol. However, such traces as these do not correlate to the consumption of alcohol.