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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 www.nice.org.uk/guidance/NG20 for further recommendations.
Specimen TypeBlood
Sample TypeSerum
Minimum Volume5 ml
Special PrecautionsNo special requirements
Stability14 days
Turnaround Time7 Days
LaboratoryYork
Reference Interval0 – 20.00 CU
LimitationsThe assay should not be performed on grossly haemolysed or grossly lipaemic samples.
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