Days Set Up
Monday - Sunday
Analytic Time

6 - 9 days

MiChart Code
FRISP
Soft Order Code
FRISP

Test Updated:

Synonyms
 
+ See More

Looking to order a test?

We’ve provided helpful links to make ordering easy.

Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

Visit our provider FAQ and learn about common questions to ordering tests.

Test Overview

Test Methodology

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

Test Usage
 
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.

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

Yellow Top Tube
Red Top Tube
Normal Volume
3 mL plasma or serum
Minimum Volume
0.6 mL

Billing Information

CPT Code
80342
Pro Fee Code
 
LOINC
 

Have More Questions?

Explore our helpful billing resources:

Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.

LEARN MORE