Type 1 diabetes screening could start at age two under new expert guidance

diabetes.co.uk reports on new international expert guidance, published in *Diabetologia*, recommending that children could be screened for early-stage type 1 diabetes beginning between ages two and four. The guidance focuses on blood tests for islet autoantibodies, immune markers that can appear before symptoms such as thirst, weight loss, high blood glucose, or diabetic ketoacidosis. Children who test negative would be screened again between ages six and eight, and later between ages ten and 15, ideally during routine healthcare visits.

The article stresses that a positive autoantibody result is not the same as an immediate clinical diagnosis requiring treatment. Instead, it should trigger confirmatory testing, glucose assessment, and structured follow-up to determine whether early-stage type 1 diabetes is present and how quickly it may be progressing. The main public-health aim is to reduce diabetic ketoacidosis at diagnosis, because many children are first identified only when insulin deficiency has already become dangerous.

The guidance is not an announcement of universal NHS screening. The article notes that the UK’s ELSA study is already exploring how childhood screening could work, including children aged two to 17, but this remains research rather than a standard GP service. The experts emphasize that screening must come with counseling, specialist advice, family education, and reliable monitoring. The significance is less about labeling children early and more about giving families and clinicians time to prepare, monitor progression, and potentially connect eligible children with prevention or treatment trials.