Specimen Collection Manual and Test Catalog
GLIADIN (DEAMIDATED) IGG ANTIBODY
Geisinger Epic Procedure Code: LAB2357 Geisinger Epic ID: 26877SPECIMEN COLLECTION
Specimen type:
Serum
Preferred collection container:
Alternate collection container:
6 mL red-top (plain, non-serum separator) tube
Specimen required:
0.5 mL serum; minimum 0.2 mL
SPECIMEN PROCESSING
Processing instructions:
Allow to clot. Centrifuge and submit 0.5 mL serum.
Transport temperature:
Refrigerated (preferred). Room temperature (stable 8 hours) and frozen specimens also acceptable.
Specimen stability:
Room temperature: 8 hours. Refrigerated (2-8°C): 48 hours. Frozen: 6 months.
Rejection criteria:
Specimen stability exceeded; specimen grossly hemolyzed.
TEST DETAILS
Reference interval:
Negative <7 U/mL
Interpretation guide:
CPT code(s):
86258 Negative <7 U/mL
Equivocal 7-10 U/mL
Positive >10 U/mL
Note: The billing party has sole responsibility for CPT coding. Any
questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Deamidated gliadin IgG antibody.
Methodology:
Enzyme Immunoassay (EIA)
Synonyms:
Gliadin IgG, Gliadin IgG Antibody, Gliadin IgG Ab, IgG Antibody, Deamidated Gliadin IgG, DGPG, Celiac
Clinical significance:
Gliadin IgG antibodies are detected in patients with gluten-sensitive enteropathies such as celiac disease and dermatitis herpetiformis.
Doctoral Director(s):
Review Date:
12/05/2024
Benjamin Andress, PhD, DABCC
Hoi-Ying Elsie Yu, PhD, DABCC, FADLM
Hoi-Ying Elsie Yu, PhD, DABCC, FADLM
Performing Locations