Fasting glucose is a blood test measuring blood sugar after an overnight fast, used to screen for and monitor diabetes and prediabetes. In underwriting, elevated fasting glucose may trigger additional labs-A1C, lipid panels-or postponement until control is demonstrated. Stable, documented improvement can support better rate classes compared with uncontrolled or newly diagnosed cases.

Producers request recent fasting glucose and A1C before ordering exams. If values are borderline, they may delay submission while clients consult physicians. Demonstrating stable control helps achieve better classes. Elevated readings can trigger additional requirements or lead to ratings until improvement is established.