Transglutaminase IgA Stool Test Kit

Over 250k Biomarkers Tested

Transglutaminase IgA Stool Test Kit

$98.50 AUD

Experiencing digestive symptoms that could be gluten-related, and want more information before making dietary changes?

Measures anti-tissue transglutaminase IgA antibodies in stool, a marker of gut-level immune response to gluten. Elevated levels may suggest coeliac disease or non-coeliac gluten sensitivity. At-home collection kit.

Collection Location
Specimen Type

Your at-home test kit and all instructions are posted directly to you (with free shipping). You do not need to visit a collection centre.

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Private health tests

How At-Home Testing Works

Get tested from the comfort of your home with our simple three-step process.

1
Order your test kit

Order your test kit

Choose the test that's right for you and receive your kit delivered to your door.

2
Collect your sample

Collect your sample

Follow the simple instructions to collect your sample at home.

3
Get your results

Get your results

Receive your results online and get personalised health insights.

Overview

This stool test measures antibodies against tissue transglutaminase (tTG), an enzyme involved in the immune response to gluten, directly in your gut. Elevated levels may suggest coeliac disease or non-coeliac gluten sensitivity.

Stool testing can sometimes pick up gut-level gluten reactions earlier than blood tests. Stool tTG IgA is also useful for monitoring how well a gluten-free diet is working.

Symptoms

Useful for investigating possible coeliac-related immune activity, gluten sensitivity, or monitoring gluten-free diet compliance.

Questions

  • Stool tests measure local gut immune reactions directly, which may pick up gluten sensitivity earlier than blood tests.
  • Yes. Maintain a normal gluten-containing diet for at least 6 weeks before testing.
  • It measures an antibody associated with coeliac disease, but diagnosis typically requires serology plus intestinal biopsy while still eating gluten.
  • Silent coeliac disease is possible. A positive result warrants discussion with your healthcare provider.
  • Stool antibodies typically decrease within 3 to 6 months of strict gluten elimination.
  • Yes, and stool collection may be more practical than a blood draw for younger children.

Dr. Vu Tran
Bloody Good’s Chief Medical Officer

How to prepare

If you are testing to investigate a new gluten-related concern, continue eating gluten normally, or reintroduce it for at least 6 weeks first if you've already removed it. If you are monitoring an existing gluten-free diet, no reintroduction is needed. Collect your sample using the provided sterile container.

After the test

If your result is positive, discuss next steps with your healthcare provider. They may recommend a blood-based coeliac panel, genetic testing (HLA-DQ2/DQ8), or referral to a gastroenterologist. Do not start a gluten-free diet before completing any recommended follow-up testing, since removing gluten can prevent an accurate coeliac diagnosis. Follow-up stool testing in 6 to 12 months can help monitor diet effectiveness.

Your test results will be available in your private dashboard. If there are any urgent issues, we'll let you know so you can follow up with your health professional.

Understanding results

A negative result suggests no significant gluten immune reaction was found. A positive result suggests an immune response to gluten in the gut. Your healthcare provider can interpret results alongside your symptoms and may recommend follow-up testing.

Testimonials

What Our Customers Say

4.9
Average Rating
5,500+ Customers Tested
250,000+ Individual Biomarkers
A
Adam O. ACT

Simple health checks in my control

I didn't know that private blood tests were an option. Tried this platform as the packages suited what I wanted for a good price. Easy to follow instructions, and super quick results. Platform provides more information than my gp's ever have on the tests and what the results meant. Would like more clinics to be able to test at (specifically Capital Pathology) but there is a decent network. Will continue to use.

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Christopher N. NSW

Quick access to blood tests

BLOODY GOOD is a very efficient route to access blood testing for a visitor outside the Australian health system. It is quick with the necessary referral and documentation, and quick with results. Thank you

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Excellent service, quick, easy, hassle free, can recommend.

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