I recently saw the following question:
My granddaughter’s HgbA1c was elevated to 10. Her glucose readings have been normal. Why does she have this elevated reading?
It seems obvious at first glance that either the elevated HgbA1c is wrong, or the glucose readings are misleading. I’ll assume that your granddaughter has a diagnosis of diabetes, and that the glucose readings you describe are being done by her with a home glucose meter, rather than being done in a commercial...