Test Overview
Test Methodology
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Reference Range *
Combined concentrations in patients receiving recommended daily dose is 10-120 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
6 - 9 days
Soft Order Code
FRISP
MiChart Code
FRISP
Laboratory
Sendout
Reference Laboratory
Mayo FRISP (MedTox)
Section
Special Testing
Specimen Requirements
Collection
Collect in a green-top (sodium heparin) or red top tube, SST and plasma gel tubes are not acceptable. Spin and aliquot into a screw capped plastic tube. Send to Specimen Processing refrigerated
Normal Volume
3 mL plasma or serum
Minimum Volume
0.6 mL
Storage Temperature
Refrigerated preferred, frozen acceptable
Rejection Criteria
Serum or plasma separator tube received
Additional Information
Test sent to Mayo Clinic Labs, performed by MedTox Laboratories
Billing
CPT Code
80342
Fee Code
AA600