Deamidated Gliadin Peptide (DGP) Antibody, IgA
0051357
Ordering Recommendation
Do not use in IgA-deficient individuals; acceptable single screening test for celiac disease. Tissue Transglutaminase (tTG) Antibody, IgA (0097709) test is preferred. IgA testing recommended prior to this test.
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Mnemonic
GLIADPEP A
Methodology
Semi-Quantitative Enzyme-Linked Immunosorbent Assay
Performed
Sun-Sat
Reported
1-2 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
 
Collect
Serum separator tube.  
Specimen Preparation
Separate serum from cells ASAP or within 2 hours of collection. Transport 0.5 mL serum. (Min: 0.3 mL)  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Plasma or other body fluids. Contaminated, hemolyzed, grossly icteric, or grossly lipemic specimens.  
Remarks
 
Stability
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year  
Reference Interval
19 Units or less: Negative
20-30 Units: Weak Positive
31 Units or greater: Positive
Interpretive Data
Note
CPT Code(s)
83516
Components
Component Test Code*Component Chart Name
0051357Deamidated Gliadin Peptide (DGP) Ab, IgA
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Cross References
  • Celiac Disease Antibodies
  • Coeliac Disease Antibodies
  • Deamidated Gliadin Antibodies (DGP)
  • Deaminated Gliadin Peptide Antibodies
  • DGP
  • DGP Ab
  • DGP IgA