A 14-year-old male sees his pediatrician because of fatigue, weight loss, increased appetite, thirst, and frequent urination. There is a family history of diabetes. The physician orders the following laboratory assays:
Laboratory Results:
Fasting plasma glucose (FPG) = 250 mg/dL (Reference interval 75 - 100 mg/dL)
Serum Ketones= Positive, 1+ (Reference = Negative)
FPG repeated one week later= 170 mg/dL (Reference interval 75 - 100 mg/dL)
