ETG (ETHANOL, ALCOHOL,ETHYL GLUCURONIDE). What is ETG and what does it test for It is used as a biomarker to test for ethanol use and to monitor alcohol abstinence in situations where drinking is prohibited, such as in the military, in professional monitoring programs (health professionals, attorneys, airline pilots in recovery from addictions), in schools, in liver transplant clinics, or in recovering alcoholic patients.
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