Test Includes

IgA tissue transglutaminase (tTG)

Request Form

Combined Pathology Blood form (Yellow/Black)

Availability

Analysed by referral laboratory.

Turnaround Time

2 weeks

Specimen

Serum

Volume

2 ml

Container

Yellow top (SST) tube

Lab. Handling

Aliquot and store at 4C

Interpretation

IgA tTG antibody provide the most sensitive (~90%) and specific (96%) marker for coeliac disease. IgA is also measured to detect patients who are IgA deficient.