Shop online for diabetes blood tests to evaluate your management plan or assess related health risks. These diabetes lab tests check important health markers such as glucose (blood sugar) levels, hemoglobin A1c, and total cholesterol. Once you purchase a test, it's easy to schedule an appointment at one of 2000+ Quest Diagnostics locations nationwide. You'll get fast results online and have the option to discuss them with an independent physician at no extra cost.Read MoreRead Less