Table 1. Ranges to diagnose pre-diabetic and diabetic.

Tests	Pre-diabetic	Diabetic
HbA1C	5.7–6.4	≥6.5%
FPG (Fasting Plasma Glucose)	100–125 mg/dL (5.6–6.9 mmol/L*	≥126 mg/dL (7.0 mmol/L
OGTT (Oral Glucose Tolerance Test)	140–199 mg/dL (7.8–11.0 mmol/L)*	≥200 mg/dL (11.1 mmol/L)
RPG (Random Plasma Glucose)	–	≥200 mg/dL (11.1 mmol/L)

Notes.

^*In all these tests, the risk is continuous, extending below the lower limit of the range and becoming disproportionately greater at the higher end of the spectrum.