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ANTI-DEAMIDATED GLIADIN PEPTIDES (DGP) IgG

Synonym(s):

DGP, Gliadin

Description

Indications

​Anti-tTG IgG and anti-DGP IgG should be performed in patients in whom low IgA or selective IgA deficiency is identified.
Anti-DGP (IgA and IgG) should be combined with the anti-tTG IgA and IgG tests when screening children <2 years of age for Celiac disease.

Specimen Required

​3 mL plain blood

Storage and Transport

Method

​Fluoroenzyme Immunoassay

Test Results

​Reported numerically

Reference Interval / Value

​< 7 EliA U/mL Negative

7 - 10 EliA U/mL Indeterminate

> 10 EliA U/mL Positive

Turnaround Time

​Range 2 to 7 working days

Day(s) Test Set up

Batch tested, once/week

Remarks

​Diagnostic testing should be done with patients on gluten-containing diets.

Change History Notes

Others

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