The recently published NICE guideline 86 (May 2009), ‘Recognition and assessment of coeliac disease’,1 recommends screening in ‘high risk’ populations such as children and young people with type 1 diabetes. However, due to lack of evidence and without expert consensus, a recommendation on repeat testing after diabetes diagnosis is not made. The NICE clinical guideline (2004), ‘Type 1 diabetes: diagnosis and management of type 1 diabetes in children and young people’,2 originally stated that coeliac disease screening should be performed at diagnosis …