Test Code Gliadin IgA Gliadin IgA Ab Deamidated
Specimen Type
Blood
Minimum Volume
1.0 mL
Container
Plain Red
Serum/Refrigerate
Turnaround Time
Batch tested Tuesday, Wednesday and Friday.
Testing days subject to change based on volume
Methodology
Fluorescent Enzymatic Immunoassay
Reference Range
≤6.9 unit/mL Negative
Notes
Antibody results should not be used alone for diagnosis and must be interpreted in light of clinical manifestations and other test results.
Positive test results for deamidated gliadin IgG antibodies are consistent with a diagnosis of celiac disease. A decrease in the concentrations of deamidated gliadin IgG antibodies may begin after initiation of a gluten-free diet and could indicate a response to therapy.
CPT Code
86258