Days Set Up
Friday
Analytic Time

1 day

MiChart Code
Fentanyl (Sublimaze), Level
Soft Order Code
FENTS

Test Updated:

Synonyms

FENTS
Fentanyl and Metabolite, Serum
Sublimaze
Innovar

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

Visit our provider FAQ and learn about common questions to ordering tests.

Test Overview

Test Methodology

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

Test Usage

Monitoring of fentanyl therapy.

Reference Range
 

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

Specimen Requirements

Collection Onsite

Collect specimen in red top tube; do not use SST tube.

Collection Offsite

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

Red Top Tube
Normal Volume
3 mL serum
Minimum Volume
 

Billing Information

CPT Code
80354
Pro Fee Code
 
LOINC
 

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.