Specimen Requirements


Myositis Specific 11 Antibody Panel

Specimen Requirement

Collect SST or red top/0.5 mL serum, allow to clot for 30 minutes, centrifuge and transfer serum to a screw top plastic vial within 4 hours of collection, indicate sample type on tube and send.

Administration of STRENSIQ may interfere in certain assays and may falsely elevate values. For patients receiving STRENSIQ, consideration should be given to using alternate methods.


Line Blot


Room temp: 7 days, Refrigerated: 14 days, Frozen: 28 days

Reference Range

Reference ranges are determined by the performing laboratory and will show on the report.


3-5 days Performed Tuesday-Saturday

Clinical Use

Panel includes:
Jo-1 Ab, Pl-7 Ab, Pl-12 Ab, EJ Ab, OJ Ab, SRP Ab, Mi-2 Alpha Ab, Mi-2 Beta Ab, MDA5 Ab, TIF1 Gamma Ab, NXP-2 Ab

Test Code