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.

Test Details
Days Set Up
Wednesday
Analytic Time

2-10 days

Soft Order Code
FLX
MiChart Code
Fluoxetine and Norfluoxetine
Synonyms
  • Norfluoxetine
  • Prozac
Laboratory
Sendout
Reference Laboratory
Mayo FLUOX (80228)
Section
Special Testing
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.

Alternate Specimen
Red top, EDTA (lavender top), heparinized (green top) or ACD (yellow top) plasma. [10/05]
Normal Volume
1 mL serum
Minimum Volume
0.5 mL serum
Rejection Criteria
SST tube not acceptable.
Additional Information

Test sent to Mayo Medical Laboratories.

Billing
CPT Code
80299
Fee Code
AA297
LOINC
10339-0
NY State Approved
No