a test that reflects average blood glucose control for about two to three months before the test. One such test is the hemoglobin A 1C. health care team health care professionals who help a patient manage diabetes. This team may include a physician, regis tered dietitian, and certified diabetes edu cator (a certified diabetes educator can also be a physician, registered nurse, or registered dietitian). Ophthalmologists, podiatrists, pharmacists, and other special ists can also be part of the team.