Fentanyl Drug Screening Test
A urine test that detects fentanyl and its metabolite norfentanyl to identify recent fentanyl use within the past 1-3 days.
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What this test measures
Fentanyl is an extremely fast-acting synthetic opioid that interacts with opioid receptors in the brain, spinal cord, and other tissues. This test detects both fentanyl itself and norfentanyl, its primary metabolite, in urine samples. In humans, fentanyl is metabolized primarily by oxidative N-dealkylation to norfentanyl, with approximately 75% of the dose excreted in urine within 72 hours, mostly as metabolites with less than 10% representing unchanged drug.
The test uses advanced liquid chromatography tandem mass spectrometry technology to provide highly accurate results. The presence of fentanyl above 0.20 ng/mL or norfentanyl above 1.0 ng/mL is a strong indicator that the patient has used fentanyl. Because fentanyl has a different chemical structure than other opioids like morphine or heroin, it requires specific testing and may not be detected by standard opioid screens.
Who should consider this test
You might consider this test if you are experiencing any of the following:
- Individuals who may have unknowingly been exposed to fentanyl through contaminated street drugs
- People in recovery programs who need to monitor their abstinence from synthetic opioids
- Healthcare patients prescribed fentanyl patches or medications who need compliance monitoring
- Those concerned about possible fentanyl exposure after using substances from unknown sources
- Individuals in legal or employment situations requiring specific fentanyl testing
- People experiencing unexplained symptoms that could be related to fentanyl exposure
What to expect
Preparation
No special preparation required. Stay hydrated and avoid excessive water intake before the test as this may dilute the sample.
Sample Type
A simple urine sample collection in a sterile container provided by the laboratory
Collection
Visit any Quest Diagnostics location with your test order and photo ID. The sample collection takes just a few minutes in a private bathroom.
Turnaround
Results are typically available within 1-3 business days and will be sent to you securely online
Understanding your results
The laboratory report will indicate whether fentanyl (above 0.20 ng/mL) or norfentanyl (above 1.0 ng/mL) were detected in your urine sample. A positive result indicates fentanyl use within the past few days. The test is highly specific for fentanyl and norfentanyl, meaning it's unlikely to react with other substances. Your results will include the specific reference ranges and detection limits used by the testing laboratory.
| Population | Reference Range | Notes |
|---|---|---|
| Adult screening cutoff | Fentanyl: 0.20 ng/mL, Norfentanyl: 1.0 ng/mL | Detection cutoffs may vary by laboratory methodology |
| Federal workplace testing | Fentanyl: 1.0 ng/mL | Higher cutoff used in workplace settings |
Reference ranges shown are general guidelines. Your lab report will include the specific reference range used by the laboratory that processed your sample, which is the authoritative range for interpreting your results.
What does a “Low” result mean?
A negative result typically means no detectable fentanyl or norfentanyl was found above the cutoff levels, suggesting no recent fentanyl use within the detection window.
What does a “High” result mean?
A positive result indicates recent fentanyl use, typically within 1-3 days for occasional use. The test cannot determine the amount consumed, method of administration, or distinguish between prescribed and illicit use.
Privacy & confidentiality
Your test results are completely confidential and will be delivered securely to your personal online account. Results are not shared with employers, insurance companies, or government agencies. Only you have access to your private health information, no doctor visit required.
Frequently asked questions
CPT Code: 80307
This test may not be available in: NY, NJ, RI
This page is for informational purposes only and does not constitute medical advice. Always consult with a healthcare provider regarding any health concerns. LevelPanel does not diagnose, treat, or prescribe.
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Not sure if this is the right test? Contact our care team for guidance.