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.
Immediatley following collection, mix sample by gently inverting 5 times
1. Allow sample to clot for a minimum of 30 minutes
2. Spin within one (1) hour of sample collection
Gold serum separator (SST) tube
Refrigerated (preferred) - 14 days
Ambient - 7 days
Frozen - 60 days
Enzyme Immunoassay (EIA)
Negative: <20