Days Set Up
M-F
Analytic Time

8 hours

MiChart Code
Tissue Transglutaminase, IgA
Soft Order Code
TTGA

Test Updated:

Synonyms

Celiac Disease Antibody
Celiac Disease Panel
Celiac Disease, Tissue Transglutaminase IgA
Celiac Sprue panel
Gluten Sensitivity, Tissue Transglutaminase IgA
Gluten-sensitive Antibody
Transglutaminase, Tissue IgA
tTG
tTG, IgA
TTGA
TISSUE TRANSGLUTAMINASE IGA AB
TTRGA
Tissue Transglutaminase IgA AB

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Test Overview

Test Methodology

Multiplex Flow Immunoassay

Test Usage

Marker of celiac disease associated with gluten-sensitive enteropathy or dermatitis herpetiformis. A positive result indicates the presence of human-tTG IgA antibodies and suggests the possibility of certain gluten sensitive enteropathies such as celiac disease and dermatitis herpetiformis.

Reference Range

Negative (0-14 U/mL)

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Offsite

Collect specimen in SST tube, avoid hemolysis . Centrifuge, aliquot serum into a plastic vial and refrigerate. Store at 2-8?C up to 7 days. For longer storage freeze at -20?C.

Yellow Top Tube
Normal Volume
0.5 mL serum
Minimum Volume
0.2 mL serum

Billing Information

CPT Code
83516
Pro Fee Code
 
LOINC
35280-7

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.

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