Days Set Up
Wednesday
Analytic Time

2 days

MiChart Code
Fluoxetine and Norfluoxetine
Soft Order Code
FLX

Test Updated:

Synonyms

Norfluoxetine
Prozac

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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 Chromatrography (LC-MS/MS)

Test Usage

Therapeutic drug monitoring.

Reference Range

120 - 500 ng/mL (Fluoxetine + Norfluoxetine)

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

Specimen Requirements

Collection

Collect specimen in a red top tube; do not use SST tube. Centrifuge, aliquot serum into a plastic vial within 2 hours of collection and refrigerate. EDTA (lavender top), heparinized (green top) or ACD (yellow top) plasma is also acceptable.

Yellow Top Tube
Red Top Tube
Normal Volume
1 mL serum
Minimum Volume
0.5 mL serum

Billing Information

CPT Code
80299
Pro Fee Code
 
LOINC
10339-0

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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.

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