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The HbA1c (Glycosylated Hemoglobin) test measures the average blood sugar levels over a period of 2 to 3 months. It is used to diagnose diabetes and to monitor those undergoing treatment. It is often done as part of routine health checkups.Diabetes is a chronic disease that affects the body's processing of blood sugar, thereby increasing blood sugar levels. Some individuals might not ever experience signs and symptoms of this condition, while the common signs and symptoms will include the following:Being thirsty oftenExcessive urinationBlurring of visionWeaknessSlow healing of wounds, etc.Hemoglobin is a protein found in red blood cells that transports oxygen into various parts of the body. When glucose (sugar) molecules in the bloodstream attach to hemoglobin, a process called glycation takes place, which essentially forms glycosylated hemoglobin, or HbA1c.The HbA1c (Glycosylated Hemoglobin) test gives an overall picture of your long-term blood sugar control. Thus, it is an important test for screening and diagnosing prediabetes and diabetes. Once an individual is diagnosed, it helps in monitoring the control of the disease, so that they can undergo timely interventions to prevent or delay the onset of complications such as nerve damage, kidney disease, and vision problems.The American Diabetes Association (ADA) recommends keeping HbA1c levels below 7% to prevent the development of complications. Different goals may be set for specific individuals depending on age, duration of diabetes, and any other medical conditions present.No special preparations are required for this test. Eat and drink as per your routine. However, inform your doctor about all the current medications or any underlying health conditions to ensure accurate interpretation of your test results.HbA1c test result ranges may vary across the laboratories depending on the methodology and laboratory guidelines. Do not self-medicate. Always consult your doctor to understand your test results correctly.
Yes. To ensure accurate results, follow these key requirements before taking an HbA1c test.
Inform your doctor about diabetes medications or insulin, as they may influence blood sugar control.
A blood sample is collected from a vein in the arm by a trained healthcare professional.
Inform the healthcare provider if you have anemia, recent blood transfusion, or kidney disease, as these may affect HbA1c results.
Fasting is not required for this test. The test can be taken at any time of the day.
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