DIAbetes TEam and Cgm in Managing Hospitalised Patients with Diabetes

Inclusion Criteria: * A documented history of T2DM prior to inclusion * Age ≥ 18 years old * Willingness and ability to comply with the clinical investigation plan * Ability to communicate in Danish with the trial personnel * An expected length of hospital stay for at least two days after enrolment * If subject with childbearing potential (subject \< 50 years old); willing to have a urine pregnancy test performed and/or to use a highly effective method of contraception (i.e., birth control implant, intrauterine device, birth control shot, or sterilisation). Exclusion Criteria: * Patients on out-hospital basal insulin with duration of action \> 24 hours (Toujeo or Tresiba) * Treated with hydroxyurea/hydroxycarbamid * Nutritional therapy (continuous enteral or parenteral feeding) * Clinically relevant pancreatic disease * Systemic glucocorticoid treatment with prednisone equivalent dose \>5 mg/day * Expected to require admission to the intensive-care unit * Anasarca (severe and general edema) * Dialysis * Estimated glomerular filtration rate (eGFR) \<15 mL/min/1.73 m2 * Known hypersensitivity to the band-aid of the CGM Dexcom G6 sensor.