Type 1 diabetes mellitus (T1DM) is an autoimmune chronic condition and people with diabetes (PwD) need to constantly monitor their blood glucose (BG) and administer exogenous insulin to meet treatment goals.1,2 These are important to meet as dysregulated T1DM can lead to long-term complications such as neuropathy, retinopathy, nephropathy, or acute life-threatening complications such as severe hypoglycemia or diabetic ketoacidosis.3,4 In Denmark in 2021–2022, 2950 children and adolescents <18 years of age lived with the diagnosis T1DM.5 This evidence concerns the gene INS and diabetes mellitus.