This “zero tolerance” level sets the legal limit much lower for specific people. Usually, it applies to teenage drivers who aren’t supposed to be consuming alcohol anyway.

IGT is defined by an elevated 2-h plasma glucose concentration (≥140 and <200 mg/dl) after a 75-g glucose load on the oral glucose tolerance test (OGTT) in the presence of an FPG concentration ...

Health Dear Doctor: Glucose tolerance test is most sensitive test to diagnose early Type 2 diabetes. Here’s why Updated: Mar. 10, 2023, 9:32 a.m. | Published: Mar. 09, 2023, 6:07 a.m.