System Accuracy and User Performance of Blood Glucose Monitoring Systems for Self-Testing in Managing Diabetes Mellitus

Inclusion Criteria: * Subjects with type 1 or type 2 diabetes and healthy subjects * Signed and dated informed consent form * For small modifications of the insulin doses to achieve certain blood glucose values (system accuracy evaluation): Male or female subjects with diabetes mellitus type 1 with intensified insulin therapy (intensified conventional therapy) or insulin pump therapy (continuous subcutaneous insulin infusion) Exclusion Criteria: * Pregnancy or lactation period * Severe acute illness that in the opinion of the investigating physician might confound the results of the test or which could result in a risk to the patient caused by the test * Mental incapacity or language barriers precluding adequate compliance with the test procedures * Severe chronic illness besides diabetes mellitus as assessed by the investigating physician that might confound the results of the test or which could result in a risk to the patient caused by the test * Legal incompetence or limited legal competence * Dependency from the sponsor or the clinical investigator (e.g. coworkers of the sponsor or the clinical research center) * For user performance evaluation: Subjects having used the test systems before themselves or having participated in a study with these Blood Glucose Monitoring Systems * For system accuracy evaluation: subjects intended to provide blood samples with glucose concentrations between 50 and 80 mg/dl must not have coronary heart disease, myocardial infarction in history, cerebral events in history, peripheral artery occlusive disease- or impaired hypoglycaemia awareness