what is hb1c

HbA1c, also known as Hemoglobin A1c or glycated hemoglobin, is a blood test that measures your average blood sugar levels over the past 2 to 3 months. It is commonly used to diagnose and monitor diabetes and prediabetes.

How does it work?

• When sugar enters your bloodstream, it attaches to hemoglobin, a protein in red blood cells.
• The HbA1c test measures the percentage of your red blood cells that have sugar-coated hemoglobin.
• Since red blood cells regenerate every 3 months, the test reflects your average blood sugar levels over that period.

HbA1c Ranges:

HbA1c Level Diagnosis

Below 5.7% Normal
5.7% - 6.4% Prediabetes
6.5% or above Diabetes

Why is it important?

• It helps in diagnosing diabetes and prediabetes.
• It monitors how well your diabetes is managed over time.
• It provides a more comprehensive picture of blood sugar control compared to daily glucose tests.

For more details, consult your healthcare provider.