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Only a small amount is used for any given test so a sample could be tested many times.

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Q: Can the same urine sample be tested twice for drugs?
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Related questions

Would an infected urine sample sent for culture be automatically be tested for drugs?

Yes.


Why is boric acid inside a urine sample bottle?

This is to preserve the urine sample until its tested.


Why does a drug tests urine sample get split up in to 2 samples to get tested?

So that the sample can be run twice. It's a standard in forensic science to that verifies the results of testing.


Does heroin and endone show in urine sample?

Both will show in a urine sample if tests are done to look for those drugs.


What samples are taken from athletes to test for drugs?

Urine, blood and hair are commonly tested for drugs.


How can you be tested for alcohol?

Testing for alcohol can be performed with an alcohol breath machine, with a sample of blood drawn, with a sample of urine, with a sample of mouth fluid, or with a sample of sweat.


What drugs are being tested for in urine and what are the acceptable limits?

I don't know the limits but they test urine for marijuana


How long does a urine sample stay good for if being tested for THC?

A urine sample usually lasts up to 7 days if frozen.


What is the quickest way to give a negative drug urine sample if I'm positive for drugs?

there are many myths. somethings work for some people but not others. you should have quit if you knew you were getting tested.


What causes a failed drug screen?

Four things: doing illegal drugs; taking legal drugs that cross-react with illegal drug screens; adulterating your sample through dilution, taking a masking agent that can be tested for or dumping something in the sample; or having a disease that will trigger a urine drug screen.


How do they test athlete for drugs?

Athletic Drug TestingThe most common method of testing is chemical analysis using a urine sample. An athlete at the Olympics is required to give two urine samples (commonly refered to in the media as the A and B samples - which are kept in separate places). The A sample is tested chemically for substances on the banned substance list. If a substance is detected in the A sample the B sample is then tested. If both samples are positive for a banned substance then the athlete is asked to explain the findings at a hearing.


Will nuerontin dilute a urine sample?

Why do you wanna know? You shouldn't be doing drugs!