what is hba1c on a blood test
Asked by: CuriousPatient123
SponsoredAmazon's Choice
NatureBell Xylitol Sweetener, 5lbs | Natural Birch Crystal Source – 1:1 Sugar Substitute
Sweet flavor with no erythritol, low calorie and glycemic impact, sugar free, no aftertaste, and non-GMO—ideal for mindful sugar swaps without compromising taste.
$29.95Prime eligible
Pricing and availability are based on Amazon listings and may change.
Community Answer
Answered by Dr. Emily Carter, MD
The HbA1c test, also known as the hemoglobin A1c or glycated hemoglobin test, is a blood test that measures your average blood sugar (glucose) levels over the past 2 to 3 months. Here's how it works:
- What it measures: The test measures the percentage of your red blood cells that have glucose attached to hemoglobin, a protein in your blood.
- Why it's important: It helps diagnose prediabetes and diabetes, and monitors how well your diabetes is being managed.
- Normal ranges:
- Normal: Below 5.7%
- Prediabetes: 5.7% to 6.4%
- Diabetes: 6.5% or higher
This test is different from daily blood sugar checks, which only provide a snapshot of your glucose levels at a single point in time.