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Test Code TTGGA Tissue Transglutaminase Antibodies Panel

Important Note

See Resources Section for Auto-immue content and resources.

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.

Panel Components

TGA Tissue Transglutaminase Antibody, IgA, Serum
TGG Tissue Transglutaminase Antibody, IgG, Sreum

Reference Values

<7 U/mL=Negative

7-10 U/mL=Equivical

>10 U/mL=Positive

Method

FLUOROENZYMEIMMUNOASSAY

CPT

86364x2

Performing Laboratory

MaineGeneral Medical Center