The Coeliac antibodies (tTG-IgA) looks at antibodies in coeliac disease. It is done for: chronic diarrhoea, anaemia, poor growth.
General health information, not a diagnosis. In an emergency, call 102. Always consult a qualified health professional.
Chronic diarrhoea, anaemia, poor growth.
Keep eating gluten before the test. Laboratory-specific; see the reference range on your report. High or positive may mean: Coeliac disease likely. Low or negative may mean: Unlikely if eating gluten. General information, not a diagnosis. Results must be interpreted by a qualified health worker.
Antibodies in coeliac disease.
Blood
Coeliac disease likely.
Unlikely if eating gluten.
Reference ranges vary by lab, age and sex — always use the range printed on your own report.
Consult a doctor to interpret results — a single test does not make a diagnosis.
Uses your location once to list the nearest facilities. Nothing is stored.
What does the Coeliac antibodies (tTG-IgA) measure?
Antibodies in coeliac disease.
Why is the Coeliac antibodies (tTG-IgA) done?
Chronic diarrhoea, anaemia, poor growth.
Do I need to fast for the Coeliac antibodies (tTG-IgA)?
Keep eating gluten before the test.
What does a high or positive Coeliac antibodies (tTG-IgA) mean?
Coeliac disease likely.
What does a low or negative Coeliac antibodies (tTG-IgA) mean?
Unlikely if eating gluten.
What is the normal range for the Coeliac antibodies (tTG-IgA)?
Laboratory-specific; see the reference range on your report.
Why is Coeliac antibodies (tTG-IgA) done?
Chronic diarrhoea, anaemia, poor growth.
Do I need to prepare or fast for Coeliac antibodies (tTG-IgA)?
Keep eating gluten before the test. Laboratory-specific; see the reference range on your report. High or positive may mean: Coeliac disease likely. Low or negative may mean: Unlikely if eating gluten. General information, not a diagnosis. Results must be interpreted by a qualified health worker.
SI text CC BY 4.0; decoder reference data (cited per range); LOINC codes free with attribution (notice included).
Sources: SI health summary (own words); MedlinePlus Lab Tests and CDC as references