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HelpTest Code TGA Tissue Transglutaminase Antibody, IgA
Useful For
The EliA Celikey test is a highly specific, automated blood test used to diagnose celiac disease and dermatitis herpetiformis by measuring IgA or IgG antibodies to tissue transglutaminase (tTG). It aids in identifying the disease, differentiating it from other conditions, and monitoring adherence to a gluten-free diet.
Specimen Requirements
Collection Container/Tube:
Preferred: Serum
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 2mL preferred, 1.5mL minimum
Collection Instructions: Centrifuge within 2 hours and aliquot serum into a plastic vial.
Specimen Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) |
7 days |
| Frozen | 90 days |
Avoid multple freeze/thaw cycles.
Reference Values
<7 U/mL=Negative
7-10 U/mL=Equivical
>10 U/mL=Positive
Method
FLUOROENZYMEIMMUNOASSAY
CPT
86364
Performing Laboratory
MaineGeneral Medical Center
Day(s) Performed
Monday - Friday