Table 1.
Diagnostic Criteria for Diabetes Mellitus
| Classification | Fasting plasma glucose, mg/dL | 2-h oral glucose tolerance test, m | Random plasma g/dL* glucose, mg/dL |
|---|---|---|---|
| Normal | <100 | <140 | |
| Prediabetes | |||
| Impaired fasting glucose | ≥100–125 | ||
| Impaired glucose tolerance | ≥140–199 | ||
| Diabetes | ≥126† | ≥200† | >200‡ |
*
75-g glucose dose.
†
Abnormal test must be repeated on subsequent day.
‡
Must occur with hyperglycemic symptoms: polydipsia, polyphagia, polyuria, blurred vision.
Source: Executive summary: standards of medical care in diabetes—2008. Diabetes Care. 2008;31(suppl 1):S5-S54.