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HelpTest Code FENS Fentanyl Screen, Random, Urine
Useful For
Screening for drug abuse or use involving fentanyl
Reporting Name
Fentanyl Screen, 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 following test should also be ordered, ADULT / Adulterants Survey, Random, Urine.
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: 2 mL
Collection Instructions:
1. Collect a random urine specimen.
2. No preservative.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Urine | Refrigerated (preferred) | 14 days | |
| Frozen | 14 days | ||
| Ambient | 72 hours |
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Reference Values
Negative
Screening cutoff concentration: 2 ng/mL
Day(s) Performed
Monday through Saturday
Report Available
Same day/1 to 2 daysSpecimen Retention Time
14 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
80307
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FENS | Fentanyl Screen, U | 59673-4 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 63060 | Fentanyl Screen, U | 59673-4 |
Forms
If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.