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Endomysial Antibody, IgA by IFA
0050736
Ordering Recommendation

• Acceptable single screening test for IgA-competent individuals with suspected celiac disease.
• Preferred screening test for individuals with suspected celiac disease is Celiac Disease Reflexive Cascade (2008114) or Tissue Transglutaminase (tTG) Antibody, IgA (0097709). (IgA testing recommended to identify IgA competence.)
• May aid in monitoring adherence to gluten-free diet in celiac disease confirmed patients.

Mnemonic
EMAR TITER
Methodology
Semi-Quantitative Indirect Fluorescent Antibody
Performed
Mon-Fri
Reported
1-5 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
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
Refrigerated. 
Unacceptable Conditions
Plasma. Severely lipemic, contaminated, or hemolyzed specimens. 
Remarks
 
Stability
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid freeze/thaw cycles) 
Reference Interval
Less than 1:10
Interpretive Data
The endomysial antigen has been identified as the protein cross-linking enzyme known as tissue transglutaminase.

Note
CPT Code(s)
86256
Components
Component Test Code*Component Chart NameLOINC
0050736Endomysial Antibody, IgA Titer27038-9
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Anti-Endomysial Antibodies
  • EMA
  • EMA IgA
  • Gluten-Sensitive Enteropathy Tests