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Laboratory Medicine

Test Directory / Coeliac Screening ( Anti-Tissue Transglutaminase)

Coeliac Screening ( Anti-Tissue Transglutaminase)

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TestCoeliac Screening ( Anti-Tissue Transglutaminase)
Common AbbreviationsTTG (IgA)
ProfileIgA Endomysial antibody to confirm positive anti-tTG and IgG endomysial antibody if IgA deficiency suspected.
Clinical IndicationFirst choice of screening test for Coeliac disease. Please see for further recommendations.
Specimen TypeBlood
Sample TypeSerum
Minimum Volume5 ml
Special PrecautionsNo special requirements
Stability14 days
Turnaround Time7 Days
Reference Interval< 20.00 CU is negative
LimitationsThe assay should not be performed on grossly haemolysed or grossly lipaemic samples. Only serum samples will be accepted
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