A1C test
Diabetes monitoring blood-draw
An A1C test is a blood test measuring average blood sugar levels over the previous two to three months.
It works by detecting how much glucose has attached to hemoglobin in red blood cells.
Doctors use A1C results to diagnose diabetes and prediabetes, and to monitor how well diabetics are managing their condition: Her A1C came back at 6.2 percent.
Also called hemoglobin A1C or HbA1c test.
- blood sugarCirculating glucose level
- diabetesMetabolic disorder affecting glucose
- type 2Second classification variant
- hemoglobinErythrocyte's oxygen-binding protein
- glucosePrimary cellular fuel
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