A1c Test as Diabetic Indicator

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What is an A1c or HbA1c Test?

The hemoglobin A1c test tells you your average level of blood sugar, over the past 2 to 3 months. It’s also called HbA1c, glycated hemoglobin test, and glycohemoglobin.

The A1c test is also used to diagnose diabetes. People who have diabetes need this test regularly to see if their levels are staying within range and if they need to adjust their medicines.

How does the Test Work?

The sugar in your blood is called glucose. When glucose builds up in your blood, it binds to the haemoglobin in your red blood cells. The A1c test measures how much glucose is bound.

Red blood cells live for about 3 months, so the test shows the average level of glucose in your blood for the past 3 months.

If your glucose levels have been high over recent weeks, your hemoglobin A1c test will be higher.

What is a Normal Hemoglobin A1c Test?

For people without diabetes, the normal range for the hemoglobin A1c level is between 4% and 5.6%. Hemoglobin A1c levels between 5.7% and 6.4% mean you have a higher chance of getting diabetes. Levels of 6.5% or higher mean you have diabetes.

The Right Goals for A1c Levels

The target A1c level for people with diabetes is usually less than 7%. The higher the hemoglobin A1c, the higher your risk of having complications related to diabetes.

A combination of diet, exercise, and medication can bring your levels down.

People with diabetes should have an A1c test every 3 months to make sure their blood sugar is in their target range.

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