ASCA IgA
Up to 5 days
Enzyme-Linked Immunosorbent Assay (ELISA)
<20 RU/mL - Negative
Accredited NRL Laboratory
2 times per week (Tues-and Thurs)
ASCA IgA is used in the evaluation of inflammatory bowel disease (IBD), supporting the differentiation of Crohn’s disease from ulcerative colitis, particularly in patients with inconclusive endoscopic, histopathologic, and imaging findings.
Serum or Plasma
0.5 mL
Serum (SST; Gold Top or plain serum; Red Top) - Preferred EDTA Plasma (Lavender top); Lithium Heparin Plasma (Green Top); Citrate plasma (Light blue top) - acceptable
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
This test does not require any special collection or pre-analytical handling. Follow routine specimen collection protocols.
| Temperature | Period |
|---|---|
| Refrigerated | 14 days at 2-8°C |