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Could You Pass A Drug Test Today? [Picture]
The technician or nurse should be able to inform you of the test results almost immediately.
Immunoassays, the most common type of urine drug screening, do not measure drugs themselves. Rather, they measure how drug use interferes with the body’s ability to form antigen-antibody complexes.
Results of this test are expressed in ng/mL (nanograms per milliliter). The test is based on a cutoff point so that any number below the cutoff is recorded as a negative screen and any number above the cutoff point is interpreted as a positive screen. The people who are responsible for administering the drug test usually provide results in terms of positive or negative as opposed to numeric values.
Many immunoassay tests do not even display the ng/mL measurements. Rather, the results are shown on a test strip that turns different colors to indicate the presence or absence of various substances
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