Your A1c is an average of your blood sugar readings over a period of time. But do you need an A1c test? Learn exactly what this test is, how it's measured, and what a healthy A1c reading looks like. Get your questions answered with this helpful guide.
It’s a blood test that measures your average blood sugar level over a span of 2-3 months and is used to screen and diagnose prediabetes and diabetes. Your doctor may also do an A1C test to help make diabetes treatment decisions.
Is a percentage that reflects your average blood sugar over the past 2-3 months. The higher it is, the higher your blood sugar levels have been.
The American Diabetes Association (ADA) suggests a target A1C value of 6.9% or lower for most people with diabetes. Your doctor might recommend a different target depending on your specific blood sugar goals and treatment plan.
| eAG (mg/dL) Estimated Average Glucose | A1C (%) |
|---|---|
| 126 | 6.0 |
| 140 | 6.5 |
| 154 | 7.0 |
| 169 | 7.5 |
| 183 | 8.0 |
| 197 | 8.5 |
| 212 | 9.0 |
| 226 | 9.5 |
| 240 | 10.0 |
Daily blood sugar monitoring helps you know how things like food and exercise are affecting your levels so you can make changes to improve your health. An A1C test provides you with a picture of how those changes are working for you over the long term.
At least twice a year, although your doctor may recommend getting the lab test done every 3 months if:
This content is not intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.
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