How long will urine stay good for a drug test - Doctor answers

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How long is urine good for a drug test. And how do they test it?

How long is urine good for a drug test. And how do they test it?

Drug test: Once a specimen is collected and placed in a container there is no time limit. It can be done with a rapid read cup that can be read in 5 min but these have occasional false positives and negatives. It can be further tested with gas or liquid chromatography and mass spectrometry which are mush better and are nearly never wrong ...Read more

Urine (Definition)

Urine is the product of the kidneys, which is produced to eliminate the waste products of metabolism, manage body fluid balance, &maintain acid-base balance. The blood is first filtered by the kidneys, and the composition of the resulting fluid is then altered depending on the body's needs. It is composed of mostly water, and breakdown products from blood cells impart ...Read more


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I had a urine drug test monday evening it is now wednesday evening. And the lady that sent it off said she hadn't heard anything yet. Is that good?

I had a urine drug test monday evening it is now wednesday evening. And the lady that sent it off said she hadn't heard anything yet. Is that good?

Not necessarily...: No answer just means the results are not in. You've nothing to worry about if you don't partake in recreational narcotics. If you do, then there may be a positive result. ...Read more

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How long can lorazopam be detected in urine drug test?

How long can lorazopam be detected in urine drug test?

Drug test: About a week, but it can vary. If you think your child is using drugs, you can buy tests at the pharmacy, to check. ...Read more

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How long will alcohol stay in your urine for drug test?

How long will alcohol stay in your urine for drug test?

80 hrs EtG: Some urine testing can detect a breakdown product of ethanol (the form of alcohol in beverages) called ethyl glucuronide (etg), which can remain detectable for up to 80 hours according to most sources. ...Read more

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How long does alcohol stay in your urine for a drug test?

How long does alcohol stay in your urine for a drug test?

Upto 80 Hours: Upto 80 hours, though your liver function and water intake may affect it in different ways. If you have an addiction problem, please seek help for same asap rather than worrying about how to get a clean drug test. Life is too short to live it in the haze of addiction. ...Read more

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How long does cocaine stay in your urine and turn drug test positive?

How long does cocaine stay in your urine and turn drug test positive?

1-4 days: Most sources list the time for positive Cocaine in the urine from urine drug screen to be 1 to 4 days, with an average time of 3 days. Confirmatory testing for Cocaine rarely reveals a false positive screening. ...Read more

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I took a SAP 5 urine drug test. Will nicotine show up on the test? How long will it take to receive the results?

I took a SAP 5 urine drug test. Will nicotine show up on the test? How long will it take to receive the results?

No: Nicotine isn't tested for on the five panel test, but are you concerned about nicotine? I take it, you have a DOT safety sensitive job. You might not be allowed to smoke at work, but you didn't violate for nicotine. You violated for another substance, if you have already been referred to a SAP-Substance Abuse Professional. The test shouldn't take long before you will have the results. ...Read more

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I tried cocaine for the first & last time. I did 3 lines of it. I wanted to know how long that would show up in a urine drug test?

I tried cocaine for the first & last time. I did 3 lines of it. I wanted to know how long that would show up in a urine drug test?

Cocaine's half-life: Is relatively short (0.5-1.0 hrs) so it's gone from your system w/i a day; its primary metabolite benzoylecgonine, however, has a longer half-life (5-8 hours) & can generally be detected for 24-80 hours after Cocaine use or exposure. Tests screen for both Cocaine & its metabolite. ...Read more

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I have a drug test coming up and I will be using a donors urine for subsitution. If kept in a bottle at room temperature will it stay good for 10 hour?

Unethical: As a general rule, most of us Doctors are held to a high standard of care and ethics that preclude us from answering questions that would condone a person trying to cheat on their UDS. Best for you to stop the illegal drugs and seek help if you are truly addicted. Best wishes. ...Read more

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How long after smoking weed can you pass a urine drug test?

How long after smoking weed can you pass a urine drug test?

Days to weeks: Thc stays in the fat tissue of the body for a long time, and may cause a positive urine test for days to weeks after the last use. ...Read more

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How long will temazepam stay in your system for a urine drug test?

How long will temazepam stay in your system for a urine drug test?

Varies: Figure 5 days minimum up to 1 week for your urine to be clear, depending on age, weight and metabolism. ...Read more

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How long does naloxone stay in your urine? For it not to show up in a drug test

How long does naloxone stay in your urine? For it not to show up in a drug test

Naloxone in urine: This will depend on the testing method used. I would ask the person ordering the test this question. ...Read more

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How long after smoking will nicotine stay in your body and show up on a urine drug test?

How long after smoking will nicotine stay in your body and show up on a urine drug test?

Not In Drug Screen: Nicotine is not typically screened for in urine drug tests. Usually, you will see such things as narcotics, barbiturates, benzodiazepines, illegal substances but not nicotine. If being tested specifically for nicotine is a special test where it can be detected up to 4 days. ...Read more

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I've taken about 24mg of subutex over the past 2 weeks how long till my urine is clean for a home drug test?

Slow clearence: Although there might not be no definitive answer, the half life of buprenorphine is definitely long. Therefore it may be reasonable to assume that it will be detectable for longer than three days. ...Read more

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Will amoxicillin 500 mg capsule show up in a drug test and if it does how long does it stay in the body and urine system thanks?

Will amoxicillin 500 mg capsule show up in a drug test and if it does how long does it stay in the body and urine system thanks?

No: Drug tests are done for specific drugs, mainly controlled substances or illegal drugs. There would be no reason to test for amoxicillin. ...Read more

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How long does cocaine stay in the urine for? I had some saturday night midnight and then got called in today at work for a random drug test.

How long does cocaine stay in the urine for? I had some saturday night midnight and then got called in today at work for a random drug test.

The detection level: Varies from lab to lab. Cocaine has a fairly short half life. Another factor would be the dose you took. If they want to look for cocaine they could obtain an assay from your hair. ...Read more

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Dr. Alan Wartenberg
585 Doctors shared insights

Drug Testing (Definition)

It is the process of examining body fluids or tissue for evidence of chemicals taken or not taken. It does not diagnose addiction however this a ...Read more