Test Overview

Test Methodology

Radioimmunoprecipitation Assay

Test Usage

Assessment of idiopathic inflammatory myopathies.

Reference Range*

Not detected.

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

Test Details

Days Test Performed


Analytic Time

8 - 15 days

Soft Order Code


MiChart Code

Myositis Associated Antibodies (MAA)



PL-7 Antibody
PL-12 Antibody
Mi-2 Antibody
Ku Antibody
EJ Antibody
OJ Antibody
SRP Antibody
Myositis Profile
Myositis Specific Antibodies (MSA)
Myositis AssessR

+ See More



Laboratory Reference

Specialty 3240

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Specimen Requirements

Offsite Collection Instructions

Collect specimen(s) in a red top tube. Centrifuge, aliquot serum two (2) plastic vials (3 mL each) within 4 hours of collection, and refrigerate.

Special Handing

Must arrive in lab or aliquot and refrigerate within 4 hours.


Red Top Tube

Normal Volume

6 mL serum

Minimum Volume

2 mL serum

Additional Information

Test includes PL-7, PL-12, Mi-2, Ku, EJ, OJ, and SRP autoantibodies. Test sent to Quest Valencia (Specialty) Laboratories.

Billing Information

Fee Codes

CPT Code

86235 x7



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