The burden of proof for a coeliac disease diagnosis is quite high: a biopsy from an endoscopy that shows classic signs of damaged villi (from autoimmune mechani

The burden of proof for a coeliac disease diagnosis is quite high: a biopsy from an endoscopy that shows classic signs of damaged villi (from autoimmune mechanisms), or a blood test with extremely high tTG levels and a family history of the disease. https://www.bsg.org.uk/covid-19-advice/covid-19-specific-non-biopsy-protocol-guidance-for-those-with-suspected-coeliac-disease/ https://www.bsg.org.uk/covid-19-advice/covid-19-specific-non...