<prompt> Criteria for diagnosis of diabetes mellitus isFasting plasma glucose 100 mgdl2h plasma glucose after a glucose challenge 140 mgd2h plasma glucose after a glucose challenge 180 mgdlHemoglobin A1c HbA1c 6.5  <response>: Pre-diabetes increased risk for diabetesDiabetes mellitusFasting plasma glucoseFasting is defined as no caloric intake for at least 8 h100-125 mgdL126 mgdL2-h plasma glucose after a glucose challenge 75 g glucose140-199 mgdL200 mgdLHemoglobin A1c HbA1c5.7-6.46.5Random blood glucose concentrationSymptoms of diabetes plus random blood glucose concentration200 mgdLRef: Harrison 19e pg: 2399 