Antigliadin Abs, IgG
Test ID:
704712
CPT code:
83516
Synonyms:
DGP, IgG
Clinical Use:
Detection of gliadin antibodies aids in the diagnosis and monitoring of certain gluten-sensitive enteropathies, such as celiac disease and dermatitis herpetiformis.
Test Information:
A negative IgA result in an untreated patient does not rule out gluten-sensitive enteropathies, especially when associated with IgG gliadin antibodies. This can be explained by selective IgA deficiency, a relatively frequent finding in celiac disease. False-positives are possible as other gastrointestinal disorders are known to induce circulating antigliadin antibody, mainly Crohn disease, food protein intolerance, and postinfection malabsorption.
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:
Temperature |
Period |
---|---|
Room temperature |
14 days |
Refrigerated |
14 days |
Frozen |
14 days |
Freeze/thaw cycles |
Stable x3 |
Rejection Criteria
Hemolysis; lipemia; gross bacterial contamination
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