Metabolic / Diabetes
Hemoglobin A1c (HbA1c)
When sugar enters your bloodstream, it attaches to hemoglobin. The HbA1c test measures the percentage of your red blood cells that have sugar-coated hemoglobin.
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Medically Reviewed by ILoveHealthcare Advisory Board
Information verified for medical accuracy
Why is it tested?
To screen for, diagnose, and monitor prediabetes and diabetes.
What does a HIGH level mean?
- Prediabetes (5.7% to 6.4%)
- Diabetes (6.5% or higher)
- Poorly controlled diabetes in existing patients
What does a LOW level mean?
- Hypoglycemia (rarely assessed via A1c)
- Certain types of anemia or recent blood loss
Normal Reference Range
Below 5.7%
*Ranges may vary slightly depending on the specific laboratory and testing methods used.
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