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IgG Tissue Transglutaminase (Transglutaminase type 2, TG2) Antibody Level

Ordering Recommendation

  • For secondary disease activity monitoring in celiac disease and dermatitis herpetiformis


Methodology

Enzyme-linked immunosorbent assays (ELISA)


Performed

Typically performed weekly, varies dependent upon volume


Reported

2-5 days


New York State Department of Health (NYSDOH) Approval Status

This test is New York State DOH approved.


Information Required to Submit with Order

Completed Immunodermatology Laboratory requisition form and copies of both sides of insurance cards or completed billing information.


CPT Code(s)

83516


SPECIMEN REQUIREMENTS

Collect Blood

Plain red top tube or serum separator tube.  


Specimen Preparation

2 mL serum separated from blood into serum vial provided in kit (Minimum needed: 0.5 mL) 


Storage/Transport Temperature

Room temperature  


Conditions with Disclaimer for Potentially Anomalous Results

Hemolyzed or lipemic serum specimens, whole blood  


Stability

Ambient: 7 days
Refrigerated: 14 days
Frozen: Indefinitely