This report delves into preventive healthcare services, specifically focusing on screening and diagnostic guidelines for patients with Type 2 Diabetes Mellitus, as recommended by the United States Preventive Services Task Force (USPSTF). The report explains the importance of regular blood glucose monitoring, cardiovascular risk assessments, and behavioral counseling for patients, particularly those who are overweight or obese. It highlights the epidemiology of the condition, risk factors, and risk assessment tools, including the Diabetes Risk Assessment Tools and monitoring of various health indicators. The report also discusses testing intervals and screening test recommendations, emphasizing the significance of fasting and postprandial blood glucose testing. Ultimately, the report concludes that adhering to the USPSTF guidelines, along with proper diet and exercise, is crucial for managing Type 2 Diabetes Mellitus effectively. The report also includes a comprehensive list of references for further study.