Test library
Barbiturate Urine Test
The Barbiturate Screen and Confirmation, Urine, detects barbiturate drugs in urine and confirms any presumptive positive with a more specific method. It is a common option for monitoring and broad drug screening.
Order Barbiturate Screen and Confirmation, Urine
Order online and visit a local collection site, or choose an at-home kit where available. No referral and no insurance required.
Order Barbiturate Screen and Confirmation, Urine- Typical turnaround
- 1-3 business days
- Starting price
- From $158
- Results
- Confidential, online
Quick answer
The Barbiturate Screen and Confirmation, Urine, is a urine test that looks for barbiturate drugs and then confirms any presumptive finding with a second, more specific method. Urine testing can reflect exposure over a longer window than blood. It is commonly used in monitoring programs, clinical settings, and broad drug screening. Results are reviewed by a qualified healthcare provider.
What this test measures
Barbiturates are central nervous system depressants that include several drugs, some used in medical treatment and others encountered in other settings. Urine screening is widely used because collection is straightforward and the detection window for many substances is longer than in blood. The confirmation step adds specificity to the initial result.
The sample is urine, collected at a laboratory or collection site under standard procedures. An initial immunoassay screens for barbiturates as a class, and any presumptive positive is confirmed using a more specific technique such as mass spectrometry. This two-step approach reduces the chance of reporting a false positive as final.
A screening result alone is not a diagnosis. Positive findings can be affected by prescribed medications, and results are interpreted in the context of the request. A qualified healthcare provider or the requesting organization reviews the confirmed report and explains what it does and does not mean.
- Phenobarbital
- Secobarbital
- Pentobarbital
- Butalbital
- Amobarbital
- Total barbiturates screen
- Confirmatory barbiturate panel when indicated
Why people order this test
- Screen for barbiturate exposure in urine
- Confirm a presumptive positive with a more specific method
- Support monitoring within a treatment or accountability program
- Provide documentation requested by a workplace or legal program
- Follow up after an unexpected result from another screen
- Check for barbiturates when a longer detection window is useful
How to prepare
No fasting is required for a urine barbiturate screen. Follow the collection instructions provided by the laboratory, and let the testing provider know about any prescription or over-the-counter medications, since some can affect screening results.
Understanding your results
Results are typically available within one to three business days. A negative result means no barbiturate was detected above the cutoff. A presumptive positive is confirmed with a more specific method, and the confirmed result is the one used for decision-making.
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Frequently Asked Questions
What does the urine barbiturate test detect?
It screens for barbiturate drugs as a class and confirms any presumptive positive for specific compounds such as phenobarbital and butalbital.
How is the sample collected?
A urine sample is provided at a laboratory or collection site according to the site's standard procedures.
Is the screening result final?
No. A presumptive positive is normally confirmed with a more specific analytical method before it is treated as definitive.
Can medications cause a false positive?
Some prescription and over-the-counter medications can cross-react with the initial assay. Sharing a medication list helps reviewers interpret unexpected results.
Do I need to fast?
No fasting is required for a urine drug screen unless the order includes other tests that call for it.
Ready to get tested?
Order online and visit a collection site near you, or choose a mail-in kit. No referral and no insurance required.
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Every page on this site is reviewed for clarity, sourcing, and accuracy. We update our library as testing options, collection networks, and accreditation standards change.