Days Set Up
1st and 3rd Thursday of the month
Analytic Time

21-44 days

MiChart Code
C4ades Arg Level (Sendout)
Soft Order Code
FC4A

Test Updated:

Synonyms

C4ades Arg Level

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

Radioimmunoassay (RIA)

Test Usage
 
Reference Range

0 - 2830 ng/mL

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

Specimen Requirements

Collection

Collect specimen in a lavender top tube. Mix well, centrifuge, and aliquot plasma into a plastic vial within 30 minutes of collection. Freeze immediately.

Lavender Top Tube
Normal Volume
1 mL EDTA plasma
Minimum Volume
0.5 mL EDTA plasma

Billing Information

CPT Code
86160
Pro Fee Code
 
LOINC
 

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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.