https://www.gosh.nhs.uk/wards-and-departments/departments/laboratory-medicine/laboratory-database/coeliac-screen/
Coeliac Screen
EPIC
Coeliac Screen (TTG)
Section
Immunology
Clinical indications
IgA antibodies to tissue transglutaminase. If positive, endomysial antibodies are automatically done by lab to confirm. High positive predictive value for coeliac disease. May be falsely negative if IgA very low (included in test).
If IgA deficient then send for IgG TTG to Royal London
Specimen requirement
0.5ml serum / serum gel. Serological assays may be affected by icteric/lipaemic/haemolysed samples. These should be avoided if possible
Dispatch and handling instructions
Not applicable
Turnaround time
8 days
Synonym
Not applicable
Is it IS0 15189 accredited?
Yes