Days Set Up
Varies, performed weekly
Analytic Time

15 - 22 days

MiChart Code
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

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

Test Overview

Test Methodology

Polymerase Chain Reaction (PCR) Amplification Followed by DNA Sequence Analysis and Gene Dosage Analysis by Multiplex Ligation-Dependent Probe Amplification (MLPA)

Test Usage
Reference Range

Interpretative report provided

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

Specimen Requirements


Collect blood in EDTA lavender top tube Monday through Thursday only. Send as whole blood ambient. Specimen must arrive to Mayo within 96 hours of collection.
Prenatal specimens also are to be collected and sent Monday - Thursday.

Normal Volume
Blood: 3 mL whole blood; Fluid: 20 mL; CVS: 20 mg
Minimum Volume
Blood: 1mL; Fluid 10 mL; CVS: 5mg

Billing Information

CPT Code
81405, 81402 If needed: 88233, 88240, 88235, 81265
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.