![]() You can learn more about how we ensure our content is accurate and current by reading our editorial policy. We link primary sources - including studies, scientific references, and statistics - within each article and also list them in the resources section at the bottom of our articles. Medical News Today has strict sourcing guidelines and draws only from peer-reviewed studies, academic research institutions, and medical journals and associations. An individual can work with a healthcare professional to determine their blood sugar and A1C targets. Reaching and maintaining an A1C of 7% or lower can significantly reduce these risks. This can help to prevent the many problems that can occur with diabetes, including: Managing blood sugar levels can reduce the risk of complications affecting the small blood vessels, especially of the eyes and kidneys, and the coronary arteries. People with diabetes need to manage their blood sugar levels to prevent them from becoming too high. Elevated A1C levels are a significant risk factor for cardiovascular diseases and stroke in people who may have diabetes.Īs A1C percentages rise, so does the risk of prediabetes becoming type 2 diabetes and complications arising in those who already have a diabetes diagnosis.įor example, in a large 2018 study, researchers found that the odds of developing type 2 diabetes increased fourfold for each percentage-unit increase in HbA1C. It is important for people to manage blood sugar and A1C levels because experts associate increased levels with health complications, even if a person does not have diabetes. Regular A1C and glucose testing can show a doctor if a person’s treatment is working or needs adjustment. The A1C test is useful for diagnosis, but it is also important for diabetes monitoring. low levels of high-density lipoproteins (HDL).high cholesterol or triglycerides in the blood plasma.The person may already have risk factors for type 2 diabetes, such as: If they are 200 milligrams per deciliter (mg/dl) or over, the doctor may diagnose diabetes.Ī doctor will repeat these tests if A1C results, glucose scores, or both suggest a person has diabetes.Īdditionally, a doctor may diagnose prediabetes if the results are 5.7–6.4%.Ī person with prediabetes has a higher chance of developing type 2 diabetes in the future, but lifestyle changes, such as quitting smoking, following a healthy diet, and taking regular exercise, can often reduce the risk. If the results show elevated A1C, a doctor may also check the person’s current blood sugar levels. According to the NIDDK, if the A1C test shows 6.8%, the actual reading could be anywhere between 6.4–7.2%. One A1C test result does not mean that a person has diabetes. They refer to the amount of hemoglobin that glucose has bound to in a person’s blood.įor diagnosis, the test results may be as follows:
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