Below the range
Common causes of a low Oral Glucose Tolerance Test (2-hour)
- Reactive hypoglycemia
Looking for the other direction? See what causes a high Oral Glucose Tolerance Test (2-hour).
All tests · Glucose & Diabetes · Oral Glucose Tolerance Test (2-hour)
Below the range
What causes a low Oral Glucose Tolerance Test (2-hour)?
Normal range < 140 (normal) mg/dL (< 7.8 mmol/L SI). Specimen: Plasma (2 h post 75 g glucose). See the full Oral Glucose Tolerance Test (2-hour) reference page for critical values and nursing considerations.
What is the normal range for Oral Glucose Tolerance Test (2-hour)?
The standard teaching reference range for Oral Glucose Tolerance Test (2-hour) is < 140 (normal) mg/dL in conventional units, or < 7.8 mmol/L in SI units. This value is measured in plasma (2 h post 75 g glucose).
| Specimen | Plasma (2 h post 75 g glucose) |
|---|---|
| Conventional range | < 140 (normal) mg/dL |
| SI range | < 7.8 mmol/L |
| Panel | Glucose & Diabetes |
Full details, including nursing considerations, on the Oral Glucose Tolerance Test (2-hour) normal range page. Reference ranges vary by laboratory, method, age, sex, and population - always use the range printed on the actual result.
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