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ANTI-TISSUE TRANSGLUTAMINASE (tTG) IgG

Synonym(s):

​tTG, TTG

Description

Indications

​Anti-tTG IgG should be performed in patients in whom low IgA or selective IgA deficiency is identified.

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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