For each recommended test, this tool will assess whether a result indicates a diagnosis of diabetes or
prediabetes.
Test
Test result
Result
DCCT, Diabetes Control and Complications Trial; FPG, fasting plasma glucose; IFG, impaired fasting glucose; IGT, impaired glucose tolerance; OGTT, oral glucose tolerance test; WHO, World Health Organization; 2-h PG, 2-h plasma glucose.
*In the
absence of unequivocal hyperglycemia, diagnosis requires two abnormal test results from
the same sample or in two separate test samples.
**For all three tests, risk is
continuous, extending below the lower limit of the range and becoming disproportionately
greater at the higher end of the range.