{"id":"dgp-igg","name":"Deamidated Gliadin Peptide (DGP) IgG","shortName":"DGP IgG","aliases":["DGP IgG","Deamidated Gliadin Peptide IgG","Deamidated Gliadin IgG","Gliadin Peptide IgG Ab","DGP Antibody IgG","Deamidated Gliadin Antibody IgG","Gliadin Peptide IgG","Deamidated Gliadin Abs, IgG","Gliadin (Deamidated) Antibody, IgG, Serum","Gliadin(Deamidated) Ab, IgG, S","Anti-DGP IgG","DGP-IgG"],"abbreviations":["DGP IgG","DGP-IgG"],"loinc":[{"code":"58710-5","primary":true},{"code":"63459-2","primary":false},{"code":"47394-2","primary":false}],"specimen":"serum","units":[{"ucum":"[arb'U]/mL","display":"U/mL"}],"referenceRanges":[{"population":"Adults","low":0,"high":20,"unit":"[arb'U]/mL","unitDisplay":"U/mL","note":"Mayo Clinic Laboratories ELISA: negative below 20.0 U, weak positive 20.0-30.0 U, positive above 30.0 U; applies to all ages. Units and cutoffs differ by kit. ARUP, for example, uses a different assay that reports 0.00-4.99 FLU (fluorescent light units), which cannot be converted to U. Use the range printed on your own report.","sources":[{"title":"Gliadin (Deamidated) Antibody, IgG, Serum (test DGGL)","url":"https://www.mayocliniclabs.com/test-catalog/overview/89030/gliadin-deamidated-antibody-igg-serum","publisher":"Mayo Clinic Laboratories"}]}],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"An antibody test for celiac disease that looks for IgG antibodies to a modified gluten protein. It is often chosen when a person has low or missing IgA.","url":"https://bloodtesttracker.com/markers/dgp-igg","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}