On what basis are glycemic management decisions made for type 2 diabetes mellitus (DM)?

Updated: Sep 27, 2021
  • Author: Romesh Khardori, MD, PhD, FACP; Chief Editor: George T Griffing, MD  more...
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Decisions about glycemic management are generally made on the basis of HbA1c measurements and the results of self-monitoring of blood glucose (SMBG). HbA1c is measured at least twice yearly in patients with stable glycemic control who are meeting treatment goals and quarterly in patients whose therapy has changed or who are not meeting treatment goals. [2]

If a total glycated hemoglobin (GHb) measurement is used, the number is 1-2% higher. However, the laboratory should provide a correlation of GHb values with HbA1c values. [3, 82, 156]

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