How does a serum glucose measurement compare to a plasma glucose measurement in diabetes mellitus (DM)?

Updated: Jul 13, 2021
  • Author: Romesh Khardori, MD, PhD, FACP; Chief Editor: George T Griffing, MD  more...
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A serum glucose measurement (commonly obtained on chemistry panels, using a red- or speckled-top tube) may be significantly lower than a plasma glucose measurement.

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