A member asked:

Can you tell me how i could make a drug test come out inconclusive?

A doctor has provided 1 answer
Dr. Humberto Quintana answered

Specializes in Psychiatry

Too dilute/not valid: There are several types of results on a drug test other than pass or fail. Two of these are sample too dilute, or unable to obtain valid results. These two results sound similar but are very different in the laboratory's viewpoint. Sample too Dilute - This simply mean too much water or liquid was consumed before the test. The creatine and or specific gravity were too low because the sample was too diluted. This can happen for lots of reason like drinking coffee, exercising in the morning or intentionally diluting the sample to pass a drug test. When this happens, the labs ask the individual to return and provide another sample. By law, an individual can not be fired for continually providing samples that are too dilute. For a pre-employment drug screen, most employees will give a candidate only two chances to provide an adequate sample.

Answered 9/20/2017

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