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The benzodiazepines test assesses the presence of benzodiazepine metabolites in the urine. Benzodiazepines (such as diazepam, clonazepam, triazolam) are nervous system depressants that are used to sedate patients, relax muscles, and prevent seizures. These drugs can also be used illegally. Benzodiazepine metabolites are removed from the body in the urine and this test can be done to assess benzodiazepine use.
You will need to provide a urine sample for this test. The test results are reported as positive (benzodiazepines present) or negative (benzodiazepines not present).
Am I required to fast for this test?
No, you do not need to fast for this test. However, if you are concurrently having another test done that requires fasting, you need to fast for that test as indicated.
What are negative results?
A negative benzodiazepines test means that no benzodiazepine metabolites were detected in the urine. The cut-off value for detection of benzodiazepine metabolites ranges from 50 to 100 ng/mL. If levels lower than these are present, they may not be detected and the test may be false negative.
What do positive results mean?
A positive test indicates benzodiazepines use within the last 1 to 20 days. Certain medications can give false-positive results, such as tolmetin, naproxen, fenoprofen, etodolac, sertraline, and oxaprozin.
Why is the test done?
This test may be done as a part of insurance- or court-mandated drug testing or if you are suspected of driving under the influence of drugs. The test may also be done as a part of an employee illegal drug screen.
What type of doctor should I see if results are abnormal?
See your primary health care provider who may refer you to a specialist, such as a substance abuse counselor.