Q. A 50-year-old female patient presents to the physician's clinic with complaints of increased thirst, frequent urination, and fatigue. She reports that these symptoms have been present for the past six months and have worsened over the past few weeks. She has a history of hypertension but is otherwise healthy. Family history includes type 2 diabetes mellitus. On physical examination, her BMI is 34 kg/m2, her blood pressure is 140/90 mmHg, and no other significant findings exist. She is compliant with her medications. Which of the following is the next best step to be followed?