Semiquantitative detection of anti-<i>Saccharomyces cerevisiae</i>-antibodies (ASCA) of the IgG and IgA classes in human sera. This assay is intended for use in the diagnosis of patients with Crohn's disease.
Immediatley following collection, mix sample by gently inverting 5 times
Gold serum separator (SST) tube
Ambient (preferred) - 14 days
Refrigerated - 14 days
Frozen - 14 days
Enzyme immunoassay (EIA)
Negative: < 20 units
Equivocal: 20.0 - 24.9 units
Positive: ≥ 25 units