Urine drug screenFrom our partner site on prostate, ProstateCommons.com.
Drug screen - urine Normal Values: No drugs in the urine. What abnormal results mean: If the test result is positive, it is helpful to confirm the results with gas-chromatography mass spectrometry (GC-MS). In some case, a test will register a false positive. This can result from interfering factors such as some foods, prescription medications and other drugs. The GC-MS will help to eliminate some of the other possibilities.
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