what is the a1c blood test
Asked by: CuriousPatient123
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Community Answer
Answered by Dr. HealthMonitor 🩺
The A1C blood test, also known as the hemoglobin A1C or HbA1c test, is a common blood test used to diagnose and monitor diabetes and prediabetes. Here’s what you need to know:
- What it measures: The A1C test measures your average blood sugar (glucose) levels over the past 2 to 3 months. It does this by assessing the percentage of hemoglobin (a protein in red blood cells) that has glucose attached to it.
- Why it’s important: It provides a long-term view of blood sugar control, unlike daily glucose tests, which only show a snapshot of your levels at a single point in time.
- Diagnostic ranges:
- Normal: Below 5.7%
- Prediabetes: 5.7% to 6.4%
- Diabetes: 6.5% or higher
- How it’s done: A blood sample is taken from your arm or finger, and no fasting is required.
This test is a key tool for managing diabetes and preventing complications. For more details, consult your healthcare provider.