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TISSUE TRANSGLUTAMINASE (TTG) ANTIBODY, IGA, SERUM
Message Included in Celiac Screening Profile, IgA with Reflex to IgG, Serum
Test Code
LAB1239901
CPT Codes
83516
Preferred Specimen
Gold Top Tube
Pediatric: 2 Gold Top Microtainers
Pediatric: 2 Gold Top Microtainers
Minimum Volume
0.5 mL serum
Other Acceptable Specimens
Red Top Tube
Instructions
Centrifuge within 1 hour of collection. Aliquot 0.5 mL serum.
Transport Temperature
Refrigerated
Specimen Stability
Refrigerated: 7 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Failure to fully fill tube
Methodology
Mutliplex Immunoassay
Setup Schedule
Monday, Wednesday and Friday Dayshift
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 disorder, positivity for HLA DQ2 and/or DQ8).
Screening test for dermatitis herpetiformis
Monitoring adherence to gluten-free diet in patients with dermatitis herpetiformis and celiac disease.
Screening test for dermatitis herpetiformis
Monitoring adherence to gluten-free diet in patients with dermatitis herpetiformis and celiac disease.
Performing Laboratory
West Virginia University Hospital, Inc.
