High A1C levels are a sign of high blood glucose from diabetes. Diabetes can cause serious health problems, including heart disease, kidney disease, and nerve damage. But with …

May 15, 2024 · The A1C test—also known as the hemoglobin A1C or HbA1c test—is a simple blood test. Your A1C is used to diagnose prediabetes and diabetes, and monitor your …

Insulin, a hormone your pancreas makes, is the most significant contributor to maintaining healthy blood sugar. If you have consistently elevated blood glucose levels (hyperglycemia) — and an …

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, …

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%. …

Jun 17, 2024 · Hemoglobin is measured in grams per deciliter (gm/dL). Normal levels are different for men and women. The typical ranges are: Men: 14.0 to 17.5 gm/dL. Women: 12.3 to 15.3 …

Oct 22, 2025 · Monitor your average blood sugar over a three-month period via an A1c test. The results shown on an A1c chart indicate normal blood sugar under 5.7%; higher numbers …

If there’s one number all patients with diabetes should know, it’s their hemoglobin A1c (HbA1c or A1C) level: a measure of their overall blood glucose control for the past 3 months.

Oct 1, 2025 · Normal A1C levels are lower than 5.7%, while 6.5% or above indicates type 2 diabetes. Regular exercise and a low-carb diet can help lower your A1C levels. The …

Dec 9, 2025 · A hemoglobin A1c is a blood test that measures your average blood sugar level for the past 2 to 3 months. It is also called an HbA1c or glycohemoglobin test. An A1c test can …