Tissue Transglutaminase, IgA
Tissue transglutaminase (tTG) is a test that is used to determine autoimmune disorders and conditions. This test measures the IgA in the blood.
Tissue transglutaminase (tTG) is a test that is used to determine autoimmune disorders and conditions, most commonly celiac disease. There are 2 immunoglobulins which can be measures IgG and IgA. IgA is more specifically used in the assistance of the diagnosis of celiac disease since this immunoglobulin is produced in the small intestines. This test measures the IgA in the blood. When gluten causes inflammation and irritation to the small intestine, a large amount of IgA is secreted in order to try and combat the inflammation caused by gluten.
This test is performed in following conditions such as:
• Abdominal bloating and pain
• Chronic diarrhea
• Pale, foul-smelling, or fatty stool
• Weight loss
Also Known As: Tissue Transglutaminase (tTG), IgA
This tTG IgA celiac disease test has no fasting requirements. Please note it is recommended that prior to taking this test, a regular diet including items that contain gluten should be followed for 2 weeks as a gluten-free diet may not provide an accurate representation of potential gluten sensitivity.
Estimated Time Taken
Turnaround time for the Tissue Transglutaminase IgA test is typically 1-2 business days.