A1C ≥ 6.5% → Diabetes

A1C 5.7-6.4% → Prediabetes

A1C 4-5.6% → Normal

FPG ≥ 126 mg/dL (≥7.0 mmol/L) → Diabetes

FPG 100-125 mg/dL (5.6-6.9 mmol/L) → Prediabetes

FPG < 100 mg/dL (<5.6 mmol/L) → Normal

≥ 200 mg/dL (≥11.1 mmol/L) → Diabetes

140-199 mg/dL (7.8-11.0 mmol/L) → Prediabetes

< 140 mg/dL (<7.8 mmol/L) → Normal

If yes, random PG ≥ 200 mg/dL (≥11.1 mmol/L) → Diabetes