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A 29-year-old male asked:

What is the definition or description of: toxicology screen?

2 doctor answers4 doctors weighed in
Dr. Joseph Allen
Family Medicine 22 years experience
Drug test.: Typically, a urine test looking for psychoactive drugs such as alcohol, cocaine, methamphetamine, pcp, benzodiazepines, opioids, cannabinoids (marijuana).
Dr. Daniel Ziegler
Emergency Medicine 30 years experience
I agree except that alcohol is not included in standard urine drug screens anymore. Since laws pertaining to alcohol use are based on quantification (the amount in your system) which cannot be determined from urine, blood tests (very accurate), and breathalyzers (notoriously inaccurate) are used.
Aug 12, 2013
Dr. Yash Khanna
Family Medicine 57 years experience
Test to determine dr: It is a test or tests to determine the type and approximate amount of illegal and legal drugs a person has taken it can be done on sample of blood, urine or gastri contents obtained through gastric lavage.

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