This topic will help you learn about the A1C test and how to prepare for it.

What Is the A1C Test?

The A1C test, or HbA1C test, is a blood test that provides information about the average blood glucose levels over the past three months. The A1C test can be used to diagnose type 2 diabetes and prediabetes. Additionally, it is the primary test used to manage diabetes.

Interpretation of A1C levels:

| Normal | Less than 5.7 | | — | — | | Prediabetes | Between 5.7 and 6.4 | | Diabetes | 6.5 and higher |

Although the A1C test does not provide daily information, a lower A1C is associated with reduced risk of diabetes complications, such as:

Kidney diseases.

Diabetic retinopathy.

Neuropathy.

Heart and vascular diseases.

When Should You Conduct the A1C Blood Test?

The test can help your doctor:

Identify and diagnose prediabetes.

Identify and diagnose diabetes.

Monitor the disease and assist in making treatment decisions to prevent complications.

It is recommended to conduct an A1C test:

Every three months for those with diabetes.

Every one to two years if diagnosed with prediabetes.

If you have risk factors for diabetes, consult your doctor about whether you should take the test.

To prevent type 2 diabetes, you should follow these steps:

Increase physical and sporting activities; for more details, read the "Move for Life" guide.

Follow a healthy diet that includes vegetables and fruits while reducing harmful fats.

Lose weight if you are overweight and maintain a healthy weight.

How to Prepare for the A1C Blood Test

The A1C is usually measured in a laboratory as part of a routine blood test, which must be done after fasting for approximately eight hours.

Inform the doctor about any medications you are taking.

Inform the doctor about any health issues you are experiencing.