Coeliac Disease Blood Test
Want to know if you have coeliac disease? Our Coeliac Disease Blood Test is a comprehensive antibody test that's recommended for diagnosing coeliac disease.
Coeliac disease ("gluten sensitivity") testing is quick and easy. Just take your finger prick blood sample with our at home kit and use the pre-paid envelope to return your sample to our accredited lab.
- Results and doctors report in 3 days or less.
- Free, next-working day delivery
- Approved coeliac antibody test
£47.00
Find out more about testing for coeliac disease
Dr Claire Merrifield
GP & PhD
our medical director
Our Coeliac Disease Blood Test is a comprehensive antibody test that's recommended for diagnosing coeliac disease. The test is fast, accurate and you get a doctor's report explaining exactly what your results mean.
The bottom line is that if you want to know if you have coeliac disease, this is the blood test you need.
Coeliac disease affects about 1-in-100 of us. Although some people refer to coeliac disease as "gluten allergy", coeliac disease is actually an autoimmune condition, not an allergy. This means that coeliac diseased is caused by your immune system reacting against your own body. In coeliac disease, a substance called gluten triggers your immune system to attack the lining of your gut, causing inflammation and gut symptoms. Gluten itself is harmless, it's the body's reaction to it that causes a problem. Gluten is found in wheat, barley and rye so you'll find it in bread, pasta, cakes and even beer.
Our coeliac blood test is for you if you have been experiencing any of the following symptoms commonly associated with coeliac disease:
- Stomach pain and cramping
- Nausea and vomiting
- Bloating
- Diarrhoea
- Tiredness
- Weight loss
- Skin rashes
Our Coeliac Disease Blood Test is a simple finger prick blood test checking for tissue transglutaminase IgA antibodies. This test is recommended by the NHS and raised levels of tissue transglutaminase IgA antibodies make it likely you have coeliac disease.
If we suspect coeliac disease based on tissue transglutaminase levels, we'll go on and test for another antibody that's raised in coeliac disease, anti-endomysial antibodies, to confirm the diagnosis.
Some people don't make IgA-type antibodies at all. Our test can pick this up and we'll automatically test for a different type of antibody that's raised in coeliac disease, deamidated gliadin peptide IgG.
The test for coeliac disease will not be accurate if you do not have gluten in your diet. Make sure your diet contains wheat, barley or rye in the 6 weeks before testing for accurate results.
The coeliac disease blood test checks your levels of tissue transglutaminase IgA (TAA) antibodi
TAA Level (IU/ml) Meaning < 0.3 Possible IgA deficiency. We'll go on and test your total IgA levels and deamidated gliadin peptide antibodies if necessary. 0.3 - 6.9 Normal: coeliac disease very unlikely 7-10 Borderline. Coeliac disease possible, we'll go on and test your anti-endomysial IgA antibody levels for further information. > 10 Positive. Coeliac disease likely, we'll go on and test your anti-endomysial IgA antibody levels to confirm. If the coeliac disease blood test result is negative, but you still get symptoms when eating gluten, then you may have non-Coeliac gluten sensitivity.
Children may struggle to use a finger-prick collection kit. All children will need to be supervised / helped by an adult when using the finger-prick blood collection kit.
If you're unsure if you should use this test panel, please contact us for advice.
The main treatment for coeliac disease is to avoid gluten by following a "gluten-free diet". This generally involves foods that contain wheat, barley or rye.
Coeliac disease is an autoimmune reaction to gluten characterised by inflammation in the bowel. However, some people complain of gut symptoms when eating gluten but have no inflammation in the bowel. This is "gluten intolerance" or "non-coeliac gluten sensitivity". The only way to tell the difference between non-coeliac gluten sensitivity and coeliac disease is to take a coeliac disease test.
Personalise your coeliac blood test
You can choose how you'd to collect your blood sample. You may also want to add to your test panel depending on your age, sex and any symptoms.
Finger-prick blood collection
Use our simple kit to collect a blood sample from your finger at home.
Visit a clinic to have your blood taken
Arrange for a venous blood draw yourself
What's tested in your Coeliac Disease Blood Test?
Our coeliac test is a fully comprehensive multi-step panel including free confirmatory testing so you can have full confidence on your results.
Tissue transglutaminase IgA antibodies
This is the gold-standard, NHS-approved blood test for coeliac disease. We measure this in all cases.
Total IgA antibodies
If your tissue transglutaminase IgA level is low, we'll go on and test your total IgA antibody level to make sure you produce this type of antibody.
Deamidated gliadin peptide IgG antibodies
If you're found to be IgA deficient, we'll go on and test your deamidated gliadin peptide IgG antibody levels which can indicate coeliac disease.
Endomysial IgA antibodies
If your tissue transglutaminase level is high, we'll go on and test your endomysial antibody levels to confirm that coeliac disease is highly likely.
Please note that you need to have had gluten in your diet in the 6 weeks before testing for coeliac disease blood tests to be accurate.
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