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Diabetes & Metabolic Health

What is an HbA1c test and what do normal, prediabetes, and diabetes levels mean?

Direct Answer:

HbA1c measures average blood sugar over 2 to 3 months. Below 5.7% is normal, 5.7%-6.4% indicates Prediabetes, and 6.5% or higher indicates Diabetes.

Glycated Hemoglobin (HbA1c) reflects non-enzymatic attachment of glucose to hemoglobin inside red blood cells during their 90-120 day lifespan.

ADA Diagnostic Thresholds

  • Normal Glycemia: < 5.7%
  • Prediabetes (Impaired Glucose Tolerance): 5.7% to 6.4%
  • Diabetes Mellitus: ≥ 6.5%
When to Seek Medical Care:

Consult your doctor or endocrinologist if your HbA1c is 5.7% or higher for personalized dietary and pharmacological guidance.

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Clinical Disclaimer: This health information is provided for general educational purposes only and does not constitute medical diagnosis, advice, or treatment. Always consult a qualified physician regarding any medical condition.
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