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Test Code FENTU Fentanyl with Metabolite Confirmation, Random, Urine

Reporting Name

Fentanyl w/metabolite Conf, U

Useful For

Detection and confirmation of illicit drug use involving fentanyl

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Urine


Advisory Information


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.



Additional Testing Requirements


If urine creatinine is required or adulteration of the sample is suspected, the following test should be requested, ADULT / Adulterants Survey, Urine. For additional information, refer to ADULT / Adulterants Survey, Urine.



Specimen Required


Supplies: Plastic, 10-mL urine tube (T068)

Collection Container/Tube: Clean, plastic urine collection container

Submission Container/Tube: Plastic, 10-mL urine tube

Specimen Volume: 3 mL

Collection Instructions:

1. Collect a random urine specimen.

2. No preservative.

Additional Information:

1. No specimen substitutions.

2. No STATS are accepted for this procedure.

3. Submitting less than 3 mL will compromise our ability to perform all necessary testing.


Specimen Minimum Volume

2.1 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Urine Refrigerated (preferred) 14 days
  Frozen  14 days
  Ambient  72 hours

Reference Values

Negative

Day(s) and Time(s) Performed

Friday; Varies

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information

80354

G0480 (if appropriate)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FENTU Fentanyl w/metabolite Conf, U In Process

 

Result ID Test Result Name Result LOINC Value
45530 Fentanyl 58381-5
45531 Norfentanyl 58383-1
45532 Fentanyl Interpretation 69050-3

Reject Due To

Gross hemolysis OK
Gross icterus OK

Method Name

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

Forms

If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.