The Phosphatidylethanol (PEth) check is employed to detect ethanol consumption, offering a window of detection that extends additional again in time than conventional alcohol exams. Nevertheless, sure components unrelated to alcohol ingestion can, in uncommon situations, result in inaccurate constructive outcomes on this check. These situations are termed “false positives,” the place the check signifies alcohol consumption when none has occurred.
Correct interpretation of PEth check outcomes is important because of the potential authorized, employment-related, or private penalties related to a constructive discovering. The advantages of using PEth testing lie in its prolonged detection window in comparison with different alcohol biomarkers and its excessive specificity for ethanol consumption. An intensive understanding of potential confounding components is important for healthcare professionals, authorized professionals, and people present process testing to make sure truthful and correct assessments.