Patient presents with signs and symptoms consistent with type 2 diabetes mellitus.  Presenting complaints include polyuria, polydipsia, and unexplained weight loss.  The patient also reports intermittent blurred vision and increased fatigue.  Past medical history is significant for hypertension, hyperlipidemia, and a family history of type 2 diabetes.  Physical examination reveals a body mass index (BMI) of 32 kgm2, consistent with obesity.  Fasting blood glucose level is 145 mgdL.  HbA1c is 7.8%.  The patient's lipid panel shows elevated triglycerides and low HDL cholesterol.  Diagnosis of type 2 diabetes is confirmed based on elevated fasting blood glucose and HbA1c levels, meeting the diagnostic criteria established by the American Diabetes Association (ADA).  Treatment plan includes lifestyle modifications such as diet and exercise, along with initiation of metformin 500 mg twice daily.  Patient education regarding diabetes management, including blood glucose monitoring, medication adherence, and the importance of regular follow-up, was provided.  Referral to a registered dietitian and certified diabetes educator is made for comprehensive diabetes self-management education and support.  Follow-up appointment scheduled in four weeks to assess treatment response and adjust therapy as needed.  ICD-10 code E11.9, type 2 diabetes mellitus without complications, is assigned.  Medical billing codes for evaluation and management services, laboratory testing, and diabetes education will be applied based on the specific services rendered.  This documentation supports medical necessity for the diagnosis and treatment of type 2 diabetes, ensuring appropriate reimbursement and contributing to accurate diabetes prevalence data.