Test Overview
Test Methodology

Gas Chromatography

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

4-10 days

Soft Order Code
ZW86
MiChart Code
Fluoxetine and Metabolite Screen, Serum/Plasma
Synonyms
  • Norfluoxetine
  • Prozac
Laboratory
Sendout Testing
Reference Laboratory
Mayo ZW86, # 9179SP
Section
Sendout 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), K2EDTA (pink top) plasma is also acceptable.

Alternate Specimen

Red top, EDTA (lavender top), K2EDTA (pink top)

Normal Volume

5 mL serum

Minimum Volume

2.4 mL serum

Storage Temperature
Refrigerated
Rejection Criteria
SST/PST tube not acceptable.
Additional Information

Test sent to Mayo Medical Laboratories.

Billing
CPT Code
80307
Fee Code
AA297
LOINC
10339-0
NY State Approved
No