Transglutaminase IgA

Test ID: 

706389

CPT code:

83516

Synonyms:

Tissue Transglutaminase (tTG), IgA

Clinical Use:

Detection of antibodies to aid in the diagnosis of gluten-sensitive enteropathy (GSE), such as celiac disease and dermatitis herpetiformis

Test Information:

Studies have demonstrated that IgA endomysial antibody tests have >99% specificity for gluten-sensitive enteropathy.1 Recently, the endomysial antigen has been identified as the protein cross-linking enzyme known as tissue transglutaminase (tTG).2

Specimen Type:

Serum

Requested Volume: 

1 mL

Minimum Volume: 

0.5 mL

Container Type: 

Red-top tube or gel-barrier tube

Collection:

Specimen should be free of bacterial contamination, hemolysis, and lipemia.

Storage Instructions:

Room temperature

Stability Requirements:

Rejection Criteria

Hemolysis; lipemia; gross bacterial contamination