Days Set Up
Monday - Friday
Analytic Time

10 - 16 days

MiChart Code
Soft Order Code

Test Updated:


Looking to order a test?

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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

Enzyme Immunoassay (EIA)

Test Usage
Reference Range

Up tp 25 pg/mL

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

Specimen Requirements


Patient preparation: Patient should be on a normal sodium diet, 110 mEq of sodium. Patient should be in a recumbent posture for at least 30 minutes prior to drawing specimen. Collect specimen in EDTA lavender top tube. Spiin and aliquot plasma off the cells IMMEDIATELY after collection into a screw capped plastic tube. Send to Specimen Processing frozen.

Normal Volume
3 mL plasma
Minimum Volume
1 mL plasma

Billing Information

CPT Code
Pro Fee Code

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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.