Test Overview
Test Methodology

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

Reference Range *

10.0-80.0 ng/mL

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

Test Details
Days Set Up
Monday - Sunday
Analytic Time

5 - 9 days

Soft Order Code
FLNZ
MiChart Code
FLNZ
Laboratory
Sendout
Reference Laboratory
Mayo FLNZ (performed by MedTox Laboratories)
Section
Special Testing
Specimen Requirements
Collection

Draw specimen in green or red top tube. (No SST or PST) Spin and aliquot into a screw capped plastic tube. Send to Specimen Processing refrigerated.

Yellow Top Tube
Normal Volume
2 mL plasma or serum
Minimum Volume
0.25 mL plasma or serum
Storage Temperature
Refrigerated preferred, frozen acceptable.
Additional Information

Test sent to Mayo Clinic Laboratories, performed by MedTox Laboratories

Billing
CPT Code
80342
Fee Code
AA598
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