Days Set Up
Monday - Sunday
Analytic Time

4 - 8 days

Soft Order Code
MTGRP

Test Updated:

Synonyms
 
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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

Equilibrium dialysis and LC-MS/MS

Test Usage
 
Reference Range

By report

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

Specimen Requirements

Offsite Collection Instructions

Collect specimen in red top tube (SST not acceptable). Spin and aliquot into a screw capped, plastic tube and send to Specimen Processing, refrigerated. Not for use for Michigan Medicine patients and physicians. MLab clients only

Red Top Tube
Normal Volume
2.5 mL serum
Minimum Volume
1 mL serum

Billing Information

CPT Code
84402, 84403
Pro Fee Code
 
Insurance Auth Info
 
LOINC
 

Have More Questions?

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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.

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