What are the advantages of HbA1c testing over glucose measurement for diagnosis of diabetes mellitus (DM)?

Updated: Oct 23, 2019
  • Author: Romesh Khardori, MD, PhD, FACP; Chief Editor: George T Griffing, MD  more...
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Answer

The committee noted the improvement in standardization and cited the following advantages of HbA1c testing over glucose measurement:

  • Captures long-term glucose exposure

  • Has less biologic variability

  • Does not require fasting or timed samples

  • Is currently used to guide management decisions


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