12-Hour Fasting Required: NO
CPT Codes for this test: 86671(x2)
LabCorp's information for this test:
Saccharomyces cerevisiae, IgA; Saccharomyces cerevisiae, IgG
Expected Turnaround Time
3 - 5 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for
testing to when the result is released to the ordering provider. In some cases, additional time should be
allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Red-top tube or gel-barrier tube
Specimen should be free of bacterial contamination, hemolysis, and lipemia.
Causes for Rejection
Hemolysis; lipemia; heat-treated specimen; gross bacterial contamination
Semiquantitative detection of anti-Saccharomyces cerevisiae
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.
• Negative: <20 units
• Equivocal: 20.0-24.9 units
• Positive: =25 units