How to Use a Urine Dipstick Test: 12 Steps (with
2020-12-14 · Types of Urine Drug Screens. A urine drug screen is usually carried out by a physician or trained tester. It comes in two types, both of which require samples. 1. Immunoassay (IA) The more common of the two urine testing methods because of its quickness and cost-effectiveness, IA is also prone to giving false-positive results. For this reason, it may show the presence of a drug that a …
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