Acetyl Fentanyl, Screen and Confirmation, Urine

CPT: 80354
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Test Details

Test Includes

Acetyl fentanyl; acetyl norfentanyl

Use

Detect the presence of acetyl fentanyl, a potent synthetic opioid.1

Methodology

Initial presumptive testing by immunoassay at a testing threshold of 1.00 ng/mL; presumptive positives confirmed by definitive liquid chromatography/tandem mass spectrometry (LC/MS-MS) at testing thresholds of 0.10 ng/mL (acetyl fentanyl) and 2.00 ng/mL (acetyl norfentanyl)

Reference Interval

Negative

Specimen Requirements

Specimen

Urine (random)

Volume

10 mL

Minimum Volume

3 mL

Container

Plastic urine container without preservative

Storage Instructions

Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen.

Stability Requirements

Temperature

Period

Room temperature

7 days

Refrigerated

7 days

Frozen

8 days

Causes for Rejection

Urine from a preservative tube

Clinical Information

Footnotes

1. Centers for Disease Control and Prevention. Notes from the field: Acetyl fentanyl overdose fatalities—Rhode Island, March-May 2013. MMWR. 2013 Aug 30; 62(34):703-704. 23985500

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
791350 Acetyl Fentanyl, Urine 791351 Acetyl Fentanyl, Urine 74810-3
791350 Acetyl Fentanyl, Urine 791355 Acetyl Fentanyl, Urine N/A
Reflex Table for Acetyl Fentanyl, Urine
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 738490 Acetyl Fentanyl, Ur Confirm 791353 Acetyl Fentanyl, Ur Confirm ng/mL 74372-4
Reflex Table for Acetyl Fentanyl, Urine
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 738490 Acetyl Fentanyl, Ur Confirm 738668 Acetyl Norfentanyl ng/mL 86223-5

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