Blood sugar
Hemoglobin A1c (HbA1c)
Measures glycated hemoglobin to assess longer-term glucose exposure.
Understanding the result
Certain blood conditions and changes in red-cell lifespan can affect how accurately it reflects glucose.
Reading your report
Use the units, method and reference interval on your laboratory report. Your clinician can interpret the result alongside your history and other findings.
Sources & further reading
Educational summary · September 2026