Analytic Time

14 - 21 days

Soft Order Code

Test Updated:


Jo-1 Antibody
Mi-2 Antibody
PL-12 Antibody
PL-7 Antibody
EJ Antibody
OJ Antibody
SRP Antibody
Ku Antibody
U2 RNP Antibody
PM-Scl Antibody
MDA5 Antibody
NXP2 Antibody
TIF1 Antibody
SSA-52 kd IgG Antibody
U1 RNP Antibody
Fibrillarin U3 RNP Antibody
Myositis Specific Antibodies (MSA)
SAE-1 Antibody

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


Test Usage

Assist in the diagnosis of dermatomyositis, polymyositis and the anti-synthetase syndrome as well as characterization of various subsets of these disorders and prognostic information.

Reference Range

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

Specimen Requirements


Collect specimen in an SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate. EDTA plasma is also acceptable.

Yellow Top Tube
Normal Volume
3 mL serum
Minimum Volume

Billing Information

CPT Code
83516 x9, 86235 x8
Pro Fee Code

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.