Normal range < 140 (normal) mg/dL (< 7.8 mmol/L SI). Specimen: Plasma (2 h post 75 g glucose).
Also known as: OGTT, glucose tolerance test.
< 140 (normal) mg/dLReference range
Reference range
This result is reported qualitatively or as a one-sided threshold rather than a two-sided numeric band.
Combined adult band. LabVals does not publish separate men's, women's, or pediatric ranges for Oral Glucose Tolerance Test (2-hour); those can be narrower than the band shown.
Oral Glucose Tolerance Test (2-hour) reference range, specimen, and conversion details
Convert any Oral Glucose Tolerance Test (2-hour) result between units on the unit converter.
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).
Source: Adult reference values compiled from Pagana & Pagana, Mosby's Diagnostic and Laboratory Test Reference, and Fischbach & Dunning, A Manual of Laboratory and Diagnostic Tests. Reference ranges vary by laboratory, method, age, sex, and population - always use the range printed on the actual result.
Above the range
What causes a high Oral Glucose Tolerance Test (2-hour)?
Used to screen for gestational and type 2 diabetes; keep the patient at rest during the test.
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