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Test Code URFENTANYLC Urine Fentanyl, Random, WITH Confirmation

Important Note

**This test is not a part of the Random Urine Drug Screen Panel.  Only orderable as a separate test.**

Urine Drug Screen comments:  "This is a urine SCREENING test only.  Drug concentration cut-offs are listed in the Reference Range for each class of drug.  Unconfirmed screening results must not be used for nonmedical purposes.  New test method in use as of 04/08/2025."

Positive results will include the following statement:  "Preliminary analytical test results.  A more specific alternate chemical method, GC/MS, must be used in order to obtain a confirmed analytical result."

**Confirmations will be referred to MAYO Clinical Laboratories.  See Mayo test code FENS for additional information.

Infectious

Additional Codes

MEDITECH MNEMONIC:

URFENTANYLC

Specimen Requirements

Preferred Specimen:

5mL urine, random

 

Minimum Volume:

1mL (does not include repeat or reflexed testing)

 

Setup Schedule:

SUN-SAT

 

Reject:  Specimens containing preservatives or additives

Transport Temperature/Stability

Transport Container: 

Sterile urine cup (no preservatives or additives)

 

Preferred Transport Temperature:

Room temperature

 

Specimen Stability:

Room Temperature:  4 weeks

Refrigerated:  4 weeks

Frozen:  6 months

Performing Laboratory

Willis Knighton Medical Center

2600 Greenwood Road

Shreveport, LA  71103