Keeping your A1c level in your target range can lower your chance for problems. The A1c test can also help your doctor see how big your risk is of developing problems from diabetes, such as kidney failure, vision problems, and leg or foot numbness. This test may not be accurate for everyone because many things can affect the life span of red blood cells, such as the second or third trimester of pregnancy, a recent blood loss or a blood transfusion, sickle cell disease, hemodialysis, or erythropoietin (ESA) medicine. This test shows how well your diabetes has been controlled in the last 2 to 3 months and whether your diabetes treatment plan needs to be changed. Since red blood cells last 3 to 4 months, the A1c test shows how much glucose is in the plasma part of blood. The reference range of 4.0-5.6 was established in 1986 based on 124 nondiabetic individuals between the ages of 13 and 39 years of age. Glucose binds to hemoglobin in red blood cells at a steady rate. Hemoglobin A1c levels between 5.7 and 6.4 mean you have prediabetes and a higher. A normal A1C level is 5.6 percent or below, according to the National Institute of Diabetes and. For people without diabetes, the normal range for the hemoglobin A1c level is between 4 and 5.6. A normal A1C level is below 5.7, which corresponds to an estimated average blood sugar level lower than 117 milligrams per deciliter (mg/dL). The A1c test result does not change with any recent changes in diet, exercise, or medicines. Someone without diabetes will have about 5 percent of their hemoglobin glycated. It is useful for a person who has diabetes to have information about the long-term control of blood sugar levels. In adult humans (both men and women) the non-Diabetic (normal) glycated haemoglobin level, or HbA1c - or just A1c for short (the c is lower-case if youre. Blood glucose levels change during the day for many reasons, including medicine, diet, exercise, and the level of insulin in the blood. Sometimes an A1c test can be done with blood from a finger stick.Ī home blood glucose test measures the level of blood glucose only at that moment. As this number reaches 6 or greater, it signifies poorer diabetes control. This test can be done with a blood draw from a vein. Normal hemoglobin A1c levels range between 4 to 5.9. Most doctors think checking an A1c level is the best way to check how well a treatment plan is working. The A1c test checks the long-term control of blood glucose levels in people with diabetes. People who have diabetes or other conditions that increase their blood glucose levels have more glycohemoglobin (sugar bound to hemoglobin) than normal.Īn A1c test can be used to diagnose prediabetes or diabetes. A glycohemoglobin test, or hemoglobin A1c, is a blood test that checks the amount of sugar (glucose) bound to the hemoglobin in the red blood cells.
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