What is A1C?
A1C is a blood test. It shows the average levels of blood sugar over the past 3 months. It can be used to diagnose type 2 diabetes and prediabetes. It is used for diabetes management.
What do the results show?
The higher the percentage, the higher the blood sugar levels.
- Normal: less than 5.7%
- Prediabetes: 5.7-6.4%
- Diabetes: greater than 6.5%
- The A1C Test & Diabetes. National Institute of Diabetes and Digestive and Kidney Diseases. https://www.niddk.nih.gov/health-information/diagnostic-tests/a1c-test. Published April 1, 2018. Accessed January 24, 2021.