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TISSUE TRANSGLUTAMINASE (TTG) IGA AND IGG PROFILE, SERUM
Test CodeLAB1482
CPT Codes
83516x2
Preferred Specimen
Gold top tube
Pediatric: 2 gold top microtainers
Pediatric: 2 gold top microtainers
Minimum Volume
0.5mL Serum
Other Acceptable Specimens
Red Top Tube
Instructions
Centrifuge within 1 hour of collection. Separate serum from cells if Red Top Tube. Aliquot 0.5 mL serum.
Specimen Stability
Refrigerated: 7 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Failure to fully fill tube
Methodology
Multiplex Immunoassay
Reference Range
Negative
Clinical Significance
Evaluating patients suspected of having celiac disease, including patients with compatible clinical symptoms, patients with atypical symptoms, and individuals at increased risk (family history, previous diagnosis with associated disease, positivity for HLA DQ2 and/or DQ8).
Monitoring adherence to gluten-free diet in patients with dermatitis herpetiformis and celiac disease.
Monitoring adherence to gluten-free diet in patients with dermatitis herpetiformis and celiac disease.
Performing Laboratory
West Virginia University Hospital, Inc.
