Enzyme-Linked Immunosorbent Assay (ELISA)
Helping clinicians distinguish between ulcerative colitis and Crohn disease in patients suspected of having inflammatory bowel disease by identifying Saccharomyces cerevisiae IgA antibody.
Negative: < or =20.0 U; Equivocal: 20.1-24.9 U; Weakly positive: 25.0-34.9 U; Positive: > or =35.0 U
2 - 5 days
Test performed by Mayo Clinic Laboratories