Test Overview
Test Methodology

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

Reference Range *

Expected steady state plasma levels in patients receiving recommended daily dosages: 109.0 - 585.0 ng/mL

Test Details
Days Set Up
Monday - Sunday
Analytic Time

7 - 12 days

Soft Order Code
FARI
MiChart Code
FARI
Laboratory
Sendout
Reference Laboratory
Mayo FARI (MedTox 771)
Section
Special Testing
Specimen Requirements
Collection

Collect specimen in red or green top tube. Spin and aliquot into a screw capped plastic tube. Send to Specimen Processing refrigerated

Rejection Criteria
Collected in SST or PST
Yellow Top Tube
Normal Volume
2 mL serum or plasma
Minimum Volume
0.25 mL serum or plasma
Additional Information

Test sent to Mayo Clinic Laboratories; performed by MedTox Laboratories

Billing
CPT Code
80342
Fee Code
AA636
NY State Approved
No