Confirmation Testing Before Initiating Diabetes Treatment
Diagnostic Confirmation Requirements
Repeat Fasting Plasma Glucose (FPG) Protocol
Interpretation of Repeat Results
| Repeat FPG result | Diagnosis | Recommended Action | Source |
|---|---|---|---|
| ≥ 7.0 mmol/L | Diabetes confirmed | Start metformin and comprehensive diabetes management | [1] |
| 5.6–6.9 mmol/L | Prediabetes | Lifestyle intervention (diet, exercise); annual monitoring; do not start metformin | [1] |
| < 5.6 mmol/L | Normal glucose regulation | Rescreen in 3 years | [2] |