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Deamidated Gliadin Peptide (DGP) Antibody, IgA
0051357
Ordering Recommendation

Acceptable single screening test for celiac disease. IgA testing recommended to identify IgA deficiency. Use IgA test in individuals who are IgA competent. May be useful in diagnosing children <2 years who test negative for tTG and EMA antibodies. May aid in monitoring adherence to gluten-free diet. Celiac Disease Reflexive Cascade (2008114) or Tissue Transglutaminase (tTG) Antibody, IgA (0097709) is the preferred test for screening patients with suspected celiac disease.

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.
Submit With Order
ARUP Consult®
Disease Topics
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 NameLOINC
0051357Deamidated Gliadin Peptide (DGP) Ab, IgA63453-5
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Celiac Disease Antibodies
  • Coeliac Disease Antibodies
  • Deamidated Gliadin Antibodies (DGP)
  • Deaminated Gliadin Peptide Antibodies
  • DGP
  • DGP Ab
  • DGP IgA