Saccharomyces cerevisiae Antibodies, IgG & IgA
| Abbrev Code: | ARMISC | ||
| Order Code: | LAB4909 | Order Name: | Send Outs Misc Test |
| Methodology: | Semi-quantitative enzyme-linked immunosorbent assay | ||
| CPT Codes: | 86671 x2 | ||
| Turnaround Time: | Specimens are sent to reference laboratory Mon-Sat; results are reported within 1-2 days. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 1 mL |
| Minimum\Peds Volume: | 0.8 mL |
| Container: | Red or gold (gel) Alternate Containers: Red (no gel) |
| Causes for Rejection: | Contaminated, heat-inactivated, hemolyzed or severely lipemic specimens. |
Processing and Shipping
| Specimen Processing: | Centrifuge and aliquot within 2 hours of collection 0.5 mL, 0.3 mL minimum. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Test Performed at or Referral Lab | Lab Sendouts (ARUP) |
| Referral Lab number: | 50564 |
Interpretive
| Reference Range: |
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| Use: | Aids in differentiating Crohn disease from ulcerative colitis in individuals with inflammatory bowel disease. Saccharomyces cerevisiae IgG antibodies are found in 60-70% of Crohn disease (CD) patients and 10-15% of ulcerative colitis (UC) patients. Saccharomyces cerevisiae IgA antibodies are found in about 35% of CD patients but less than 1% of UC patients. Detection of both Saccharomyces IgG and IgA antibodies in the same serum specimen is highly specific for CD. |
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