|WHAT IS GLYCOHEMOGLOBIN|
(Hemoglobin A1 or A1c, HbA1c)?
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This is a brief summary of lab value interpretation and is not intended in any way to be comprehensive or replace any conversation of your results with your doctor.
WHAT IS GLYCOHEMOGLOBIN (Hemoglobin A1 or A1c, HbA1c)?
Glycohemoglobin measures the amount of glucose chemically attached to your red blood cells. Since blood cells live about 3 months, it reveals your average glucose for the last 6 - 8 weeks. A high level suggests poor diabetes control. Standardization for glycohemoglobin from lab to lab is poor, and you cannot compare a test from different labs unless you can verify the technique for measuring glycohemoglobin is the same. The only exception is if your lab is standardized to the national DCCT referenced method. You can ask your lab if they use a DCCT referenced method.
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