Test Directory

Test Code
ASCA
Test Name
Saccharomyces Cerevisiae Antibody Profile
CPT Codes
86671 X 2
Included Tests
  • S. cerevisiae IgA Ab
  • S. cerevisiae IgG Ab
Expected Turnaround Time
3 - 5 days
Clinical Utility

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.

Specimen and Container Info

Specimen Type: Serum

Collection Container: Gold Top, Serum Separator

Alternate Collection Container: Red Top, Plain

Desired Specimen Volume: 0.4 mL

Collection Instructions
  1. Collect a gold top, serum separator tube via venipuncture.
Processing and Submission Instructions
  1. Separate serum from cells.
  2. Transfer 0.4 mL of serum to a clear aliquot tube (screw cap).
Transport Instructions

Transport to the laboratory refrigerated. 

Stability Requirements

Room Temperature

14 days

Refrigerated

14 days

Frozen

14 days

Causes for Rejection
  • Hemolysis
  • Lipemia
  • Gross bacterial contamination
  • Heat-treated specimen
Methodology
Semi-Quantitative Enzyme-Linked Immunosorbent Assay
Reference Intervals

 See patient report.

Alternate Names
  • ASCA
  • Crohn's Disease
Reference Lab
Labcorp Of America Holdings
Testing Schedule
Routine, daily