Days Set Up
Monday, Wednesday, Friday
Analytic Time

3 - 6 days

MiChart Code
Ribosomal P Ab, ELISA
Soft Order Code

Test Updated:



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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

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Test Overview

Test Methodology

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

Test Usage

Evaluation of persons who present the signs of ariboflavinosis.

Reference Range

1 - 19 mcg/L

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

Specimen Requirements

Collection Offsite

Collect specimen in a green top tube following an overnight (12-14 hour) fast. Patient must not consume any alcohol 24 hours before the specimen is drawn. Centrifuge, aliquot plasma into plastic vial, and refrigerate. Protect specimen from light (preferred).

Red Top Tube
Normal Volume
0.5 mL plasma
Minimum Volume
0.25 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.