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What Causes False Positive Test Results For Valium?

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Posted on Mon, 29 Dec 2014
Question: what is the test that shows xanax and valium not just as a benz in the system this test was taken at probation they said i had valium in my system along with xanax i have script for xanax not for valium
doctor
Answered by Dr. Ravi Soni (27 minutes later)
Brief Answer:
Need clarification.

Detailed Answer:
Hi, thanks for your query.

I have read your concern and understood that you have undergone test to detect benzodiazepine in your system, they found both xanax and valium while you did not take valium. Is that so? I am confused about your question? Which body fluid have they used for testing? [like urine, blood, saliva, hair?]

Screening test for benzodiazepines in urine is usually performed by Enzyme Multiplied Immunoassay Technique (EMIT) while confirmatory test is performed by Liquid Chromatography Mass Spectrometry (LC/MS/MS).

Do you want to ask, How a test can be false positive for another kind of benzodiazepine?

Give answers to the above questions, it will make easier for me to understand your question.

I am waiting for your reply. Wish you good health.
Above answer was peer-reviewed by : Dr. Prasad
doctor
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Follow up: Dr. Ravi Soni (2 hours later)
i wated to know is there a test with urine to tell if you had taken xanax and the results came back xanax and valium also what test did they perform and is it expensive to the best of my knowledge i did not take valium thank you
doctor
Answered by Dr. Ravi Soni (8 hours later)
Brief Answer:
Screening test can be positive for both

Detailed Answer:
Hi, thanks for writing again. I have read your query and understood your concerns.

Urine drug testing usually consists of two steps testing:
1. Screening test by Enzyme Multiplied Immunoassay Technique (EMIT)
2. Confirmatory test by Liquid Chromatography Mass Spectrometry (LC/MS/MS)

Screening test can give false positive even between different benzodiazepines. For confirmation of the type of benzodiazepine (its amount and level in urine), they usually go for confirmatory test.

If you have been undergone only screening test then you should go for confirmatory test also. Both types of tests should be done.

Costs for both types of drugs screen can range from 20$ to 250$ in your states. The online available kits for testing came with price range of 50$ to 300$. So by this price range it is expensive.

Hope I have answered your query. If you do not have further query then close the discussion and rate the answer.

Wish you good health.
Note: For more detailed guidance, please consult an Internal Medicine Specialist, with your latest reports. Click here..

Above answer was peer-reviewed by : Dr. Bhagyalaxmi Nalaparaju
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Answered by
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Dr. Ravi Soni

Psychiatrist

Practicing since :2010

Answered : 538 Questions

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What Causes False Positive Test Results For Valium?

Brief Answer: Need clarification. Detailed Answer: Hi, thanks for your query. I have read your concern and understood that you have undergone test to detect benzodiazepine in your system, they found both xanax and valium while you did not take valium. Is that so? I am confused about your question? Which body fluid have they used for testing? [like urine, blood, saliva, hair?] Screening test for benzodiazepines in urine is usually performed by Enzyme Multiplied Immunoassay Technique (EMIT) while confirmatory test is performed by Liquid Chromatography Mass Spectrometry (LC/MS/MS). Do you want to ask, How a test can be false positive for another kind of benzodiazepine? Give answers to the above questions, it will make easier for me to understand your question. I am waiting for your reply. Wish you good health.