Test Overview
Test Methodology

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

Test Usage

Monitoring of fentanyl therapy.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Friday
Analytic Time

1 day

Soft Order Code
FENTS
MiChart Code
Fentanyl (Sublimaze), Level
Synonyms
  • FENTS
  • Fentanyl and Metabolite, Serum
  • Sublimaze
  • Innovar
Laboratory
Sendout
Reference Laboratory
Mayo FENTS (8965)
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect specimen in red top tube; do not use SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate.

Rejection Criteria
SST tube not acceptable.
Yellow Top Tube
Red Top Tube
Normal Volume
3 mL serum
Additional Information

Test sent to Mayo Medical Laboratories.

Billing
CPT Code
80354
Fee Code
21581
Resources