We are frequently asked about the relationship between HbA1c and plasma glucose levels. Many patients with diabetes mellitus now perform self-monitoring of blood glucose (SMBG) in the home setting, and understanding the relationship between HbA1c and glucose can be useful in setting goals for day-to-day testing.
Biochemistry Class notes: Relation between HbA1c and Estimated Average Glucose (eAG)
Source: Biochemistry class notes
Art and Science of Laboratory Medicine