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HbA1c Normal Range

Category: Metabolic PanelAlso known as: glycated hemoglobin, glycosylated hemoglobin, a1c

What does it measure?

HbA1c measures your average blood sugar over the past 2-3 months.

Reference Range

4 - 5.6
%

Note: Reference ranges can vary slightly between different laboratories. Always refer to the range printed on your specific lab report.

Interpreting Results

High HbA1c

A high result indicates prediabetes or diabetes depending on how high, and reflects longer-term control than a single glucose reading.

Frequently Asked Questions

What is a normal HbA1c level?

A normal HbA1c level for most adults is 4–5.6 %. This is a general reference range, and your specific laboratory may use slightly different values.

What does high HbA1c mean?

A high HbA1c indicates prediabetes or diabetes depending on how high, and reflects longer-term control than a single glucose reading. Always talk to your doctor about what a high result means in your specific context.

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