The anti-PM/Scl-75 antibody is specifically associated with calcinosis, ILD, pulmonary hypertension, gastrointestinal symptoms, as well as more active disease and joint contractures.
Spin within one hour of collection
Gold serum separator (SST) tube
Spin and transfer serum to a Transfer vial/tube with cap - 12mL (LabCorp) within one (1) hour of sample collection
Refrigerated (preferred) - 14 days
Ambient - 7 days
Frozen - 60 days
Enzyme Immunoassay (EIA)