TTG
(a.k.a Tissue transglutaminase, Coeliac screen)
minimum sample volume required ~ 5ml
Tube type: SST
Special instructions
Time limit for add on = 2 days Interfering substances = none known
Minimum retesting interval
Test should not be repeated within 56 days
Reference range
<4
Units
IU/ml
Linked to
Endomysial antibodies (NDO)
Turnaround Time
14
days
Department: Immunology
Clinical Application
IgA ELISA used to screen for coeliac disease and some other gluten-sensitive conditions (such as dermatitis herpetiformis). As a screening test, should be performed on patients who are including gluten in their diet.