Test ID FENR Fentanyl Screen with Reflex, Random, Urine
Useful For
Screening for drug abuse or use involving fentanyl and confirmation of fentanyl if present in the screen
Method Name
Immunoassay
Reporting Name
Fentanyl Screen w/Reflex, USpecimen Type
UrineOrdering Guidance
For situations where chain of custody is required, a Chain of Custody Kit (T282) is available. For chain-of-custody testing, order FENTX / Fentanyl with Metabolite Confirmation, Chain of Custody, Urine.
For monitoring therapeutic drug levels, order FENTS / Fentanyl, Serum.
Additional Testing Requirements
If urine creatinine is required or adulteration of the sample is suspected, the ADULT / Adulterants Survey, Random, Urine test should also be ordered.
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube: Clean, plastic urine collection container
Submission Container/Tube: Plastic, 5-mL tube
Specimen Volume: 5 mL
Collection Instructions:
1. Collect a random urine specimen.
2. No preservative.
Specimen Minimum Volume
2.5 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Urine | Refrigerated (preferred) | 14 days | |
Frozen | 14 days | ||
Ambient | 72 hours |
Reference Values
Negative
Screening cutoff concentration: 2 ng/mL
Day(s) Performed
Monday through Saturday
Performing Laboratory
Mayo Clinic Laboratories in RochesterCPT Code Information
80307
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
FENR | Fentanyl Screen w/Reflex, U | 59673-4 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
63060 | Fentanyl Screen, U | 59673-4 |
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.Profile Information
Test ID | Reporting Name | Available Separately | Always Performed |
---|---|---|---|
FENS | Fentanyl Screen, U | Yes | Yes |
Reflex Tests
Test ID | Reporting Name | Available Separately | Always Performed |
---|---|---|---|
FENTU | Fentanyl w/metabolite Conf, U | Yes | No |
Testing Algorithm
Testing begins with a screening assay. If the fentanyl screen is positive, then the liquid chromatography tandem mass spectrometry confirmation with quantification will be performed at an additional charge.
Report Available
Same day/1 to 2 daysNY State Approved
YesForms
If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.