Test library
Barbiturate Blood Test
The Barbiturates Screen, Blood, detects barbiturate drugs in a blood sample. It is used when current circulating levels and a shorter detection window matter, such as in clinical or forensic evaluation.
Order Barbiturates Screen, Blood
Order online and visit a local collection site, or choose an at-home kit where available. No referral and no insurance required.
Order Barbiturates Screen, Blood- Typical turnaround
- 1-3 business days
- Starting price
- From $389
- Results
- Confidential, online
Quick answer
The Barbiturates Screen, Blood, is a laboratory test that detects barbiturate drugs in blood. Barbiturates are central nervous system depressants that include prescription and non-prescription compounds. A blood sample reflects what is circulating at the time of collection, so this test is often used when a shorter detection window is appropriate. Results are interpreted by a qualified healthcare provider.
What this test measures
Barbiturates are a class of drugs that slow activity in the brain and nervous system. Some are used in medical treatment, while others are encountered in other settings. Testing may be requested in emergency or clinical care, in monitoring programs, or in forensic contexts where a blood sample is preferred.
Blood testing captures the drug present in circulation at the time of the draw, which makes it useful for evaluating recent exposure or current levels. The screen typically covers common barbiturates such as phenobarbital, secobarbital, pentobarbital, butalbital, and amobarbital. An initial immunoassay may be followed by a more specific confirmation method.
A screening result is presumptive until confirmed, so a positive finding is not final. Results can be affected by prescribed medications, and interpretation depends on the clinical question being asked. A qualified healthcare provider or the requesting program reviews the result in the appropriate context.
- Phenobarbital
- Secobarbital
- Pentobarbital
- Butalbital
- Amobarbital
- Total barbiturates screen
- Confirmatory barbiturate panel when indicated
Why people order this test
- Evaluate recent barbiturate exposure in a clinical setting
- Support monitoring within a treatment or accountability program
- Provide blood-based information for a forensic request
- Check current circulating levels when a shorter window matters
- Follow up on an unexpected result from another screen
- Confirm findings with a more specific method when needed
How to prepare
No fasting is required for this blood test. A sample is collected from a vein, usually at the arm. Follow the collection instructions provided by the laboratory, and share a current medication list with the ordering provider.
Understanding your results
Results are usually available within one to three business days. A negative result means no barbiturate was detected above the laboratory cutoff, while a presumptive positive is typically confirmed with a more specific method. A qualified healthcare provider interprets the final report.
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Frequently Asked Questions
What does the blood barbiturate screen detect?
It detects barbiturate drugs such as phenobarbital, secobarbital, pentobarbital, butalbital, and amobarbital in a blood sample.
Why use blood instead of urine?
Blood reflects the drug circulating at the time of collection. It is often chosen when a shorter detection window or current level is relevant.
Can prescription medications affect the result?
Yes. Some prescribed barbiturates can produce a positive screen, so sharing a medication list helps reviewers interpret the finding.
Is a positive screening result final?
No. Initial screens are presumptive and are normally confirmed with a more specific analytical method before a result is treated as definitive.
Do I need to fast before this test?
No fasting is required unless the order is combined with 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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