Deaminated Gliadin Antibodies, IgA and IgG

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Category:

CPT Code:

83516(x2)

Test Type: 1 mL, Serum
Stability Time:
Temperature Period
Freeze 14 days
Room 14 days  
Refrigerator 14 days  
Freeze/thaw cycles Stable x3  

Overview:

Detection of gliadin antibodies aids in the diagnosis and monitoring of certain gluten-sensitive enteropathies, such as celiac disease and dermatitis herpetiformis 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.

Component(s)
Panel/Test
Reflex Conditions
Test:
161652 Deamidated Gliadin Abs, IgA
  
Test:
161693 Deamidated Gliadin Abs, IgG
  

Collection Details:

Patient Preparation:

The patient should remain seated and not smoke throughout the test. Patient needs to have fasted 12 hours prior to test.

Collection Instructions:

Red-top tube or gel-barrier tube.

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

Room temperature.