Glucose, Postprandial

Alternate Names

  • Postprandial Blood Sugar (PPBS)
  • 2-hour Postprandial Glucose (2-hr PPG)
  • 1-hour Glucose Screen

Blood sugar (glucose) levels rise following a meal (postprandial), which stimulates the pancreas to secrete insulin. Insulin lowers blood sugar levels to normal within two hours after a meal. Blood sugar levels will remain high for a much longer period of time in people who have DM (diabetes mellitus). The measurement of postprandial blood sugar (PPG) levels is used as a screening test for DM, with levels greater than 200 milligrams/deciliter being indicative of the disease.


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