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.
Normal Volume
2 mL plasma or serum
Minimum Volume
0.5 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