Endomysial Antibody, IgA by IFA
Do not use in IgA-deficient individuals; acceptable single screening test for celiac disease. Acceptable follow-up test for weakly positive or negative tissue transglutaminase (tTG) IgA screen. Celiac Disease Reflexive Cascade (2008114) or Tissue Transglutaminase (tTG) Antibody, IgA (0097709) testing is the preferred testing for screening at-risk patients for celiac disease who should undergo small bowel biopsy to confirm disease.
Semi-Quantitative Indirect Fluorescent Antibody
New York DOH Approval Status
This test is New York DOH approved.
- Patient Preparation
- Serum separator tube.
- Specimen Preparation
- Separate serum from cells ASAP. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.15 mL)
- Storage/Transport Temperature
- Unacceptable Conditions
- Plasma. Severely lipemic, contaminated, or hemolyzed specimens.
- After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid freeze/thaw cycles)
Less than 1:10
The endomysial antigen has been identified as the protein cross-linking enzyme known as tissue transglutaminase.
|Component Test Code*||Component Chart Name|
|0050736||Endomysial Antibody, IgA Titer|