A hemoglobin A1C test is a blood test that measures the amount of glucose (sugar) attached to hemoglobin. High A1C levels can be a sign of diabetes. Learn more.

Jul 18, 2025 · Normal ranges for hemoglobin A1c in people without diabetes are about 4% to 5.9%. People with diabetes with poor glucose control have hemoglobin A1c levels above 7%. …

What is an A1C test? An A1C test measures the average amount of glucose (sugar) in your blood over the past three months. The result is reported as a percentage. The higher the …

Jun 30, 2025 · Hemoglobin A1c (HbA1c) is a measure of average blood sugar. Learn how it’s measured, what’s considered normal HbA1c, what HbA1c level you’ll want to target if you …

If your A1C level is between 5.7 and less than 6.5%, your levels have been in the prediabetes range. If you have an A1C level of 6.5% or higher, your levels were in the diabetes range.

Feb 22, 2025 · For people living with diabetes, the test checks how well they manage blood sugar levels. The A1C test also is called the glycated hemoglobin, glycosylated hemoglobin, …

Hemoglobin A1c (HbA1c) is a form of hemoglobin. The HbA1c test is a routine test for people with diabetes. The normal range of HbA1c is less than 6% and measures blood glucose levels over …

Health care professionals can use the A1C test alone or in combination with other diabetes tests to diagnose type 2 diabetes and prediabetes. You don’t have to fast before having your blood …

Apr 29, 2025 · For many adults diagnosed with diabetes, a common A1C target is below 7%. Achieving this level is generally considered "good" control and is associated with a significantly …

May 15, 2024 · Most people with diabetes have their A1C tested at least twice a year. You may need to check more often based on your management plan or other health conditions. Ask …