Days Set Up
 
Analytic Time

14 - 21 days

Soft Order Code
SO

Test Updated:

Synonyms

Myotonic Dystrophy, Type 1

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

Polymerase Chain Reaction (PCR), Fragment Analysis and Southern Blot

Test Usage

Detects CTG repeat expansions in the muscle protein kinase (DMPK) gene.

Reference Range

5-37 CTG trinucleotide repeats

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

Specimen Requirements

Collection Instructions

Collect specimen in sufficient lavender top tubes. Send intact whole blood specimen at room temperature.

Lavender Top Tube
Normal Volume
20 mL EDTA whole blood
Minimum Volume
20 mL EDTA whole blood

Billing Information

CPT Code
81401
Pro Fee Code
 
Insurance Auth Info
 
LOINC
 

Have More Questions?

Explore our helpful billing resources:

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.