Test library
Benzodiazepine Blood Screen
The blood benzodiazepine screen checks a blood sample for drugs in the benzodiazepine class. It is used when a blood-based result is preferred or when a clinical picture needs correlation with a laboratory screen.
Order Benzodiazepine 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 Benzodiazepine Screen, Blood- Typical turnaround
- 1-3 business days
- Starting price
- From $49
- Results
- Confidential, online
Quick answer
The blood benzodiazepine screen tests a serum sample for drugs in the benzodiazepine class. Blood testing reflects recent exposure rather than use over a longer period, so the timing of collection matters. It is one sample type among several used for drug screening, and results are reviewed by a qualified professional.
What this test measures
A blood benzodiazepine screen looks for drugs in the benzodiazepine class in a serum sample. Blood levels tend to reflect recent exposure rather than use over a longer period, which makes the timing of collection important. It is one option among several sample types used for drug screening.
The laboratory typically runs an immunoassay first, then confirms any presumptive positive with a more specific technique. Because blood concentrations of many benzodiazepines are low and fall quickly, this test is most useful when collection happens close to the relevant time frame. The report lists which compounds were detected.
Results are interpreted with the person's medication history and the reason for testing. Prescribed benzodiazepines will appear on the report, and some other medications can cross-react with screening assays. A qualified healthcare provider or the requesting program reviews the findings in context.
- Alprazolam and metabolites
- Lorazepam and metabolites
- Diazepam and metabolites
- Nordiazepam
- Oxazepam
- Temazepam
- Clonazepam and metabolites
- Benzodiazepine screen panel
Why people order this test
- Screen for benzodiazepine exposure from a blood sample
- Correlate recent use with a clinical picture
- Confirm a presumptive screening result
- Support clinical or legal testing needs
- Follow up on unexpected sedation or drug interactions
How to prepare
Fasting is generally not required for a blood benzodiazepine screen. Follow the laboratory's collection instructions, and inform the provider about any medications, since prescriptions can be detected.
Understanding your results
Results are usually reported within one to three business days. The screen indicates whether a benzodiazepine was detected above the cutoff, and confirmatory testing identifies specific drugs. A qualified healthcare provider interprets the report.
Benzodiazepine Blood Screen by state
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Connecticut
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Delaware
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Florida
Benzodiazepine Blood Screen across Florida.
Georgia
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Hawaii
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Idaho
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Frequently Asked Questions
Why test blood instead of urine for benzodiazepines?
Blood testing reflects recent exposure and can be useful when collection happens close to a relevant time frame. The choice of sample type depends on the clinical or testing need.
How quickly can benzodiazepines be detected in blood?
Many benzodiazepines appear in blood soon after use, but levels fall over time. The detection window varies by drug and individual.
Is the blood screen confirmed?
Yes, presumptive positive screens are typically confirmed with a more specific method that identifies the compounds present.
Will my prescription show up?
Yes. Prescribed benzodiazepines can be detected, so sharing a complete medication list helps with interpretation.
Do I need to fast?
Fasting is not usually required for this test unless it is bundled with another panel that requires 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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