Table 2 Diagnostic immunological test results

Gliadin IgG Ab (Units)

69

<19 negative; 19–31 weak positive; >31 positive

Positive suggestive of celiac disease

Gliadin IgA Ab (Units)

11

<19

Normal

Transglutaminase IgA Ab (Units)

72

0-19

Increased suggestive of celiac disease

Tissue transglutaminase IgG antibody (Units)

5

<20

Normal

Endomysial antibody titer

1:40

<1:10

Increased suggestive if celiac disease

DQ alpha 1 (MHR)

0103,0501

Positive; indicating genetic predisposition

DQ beta 1 (MHR)

0201,0603

Positive; indicates genetic predisposition