Test Details
Mnemonic
UCFNT
Ordering Code
3000017
CPT-4 Code(s)
80354 (G0480)
Specimen Information
Collect
Random urine
Specimen Preparation
Send 10.0 mL random urine refrigerated in a screw capped plastic container.
Minimum Volume
3.0 mL
Transport Temperature
Refrigerated
Rejection Criteria
Urine with preservative, urine catheter cup (with needle)
Stability
Room temperature: 48 hours
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days
Methodology
Liquid Chromatography/Tandem Mass Spectrometry
Reference Range
Decision level
Fentanyl: 1.0 ng/mL
Norfentanyl: 1.0 ng/mL
Fentanyl: 1.0 ng/mL
Norfentanyl: 1.0 ng/mL
Performing Laboratory
Warde Medical Laboratory