Glucose Test Stock Photography

The blood glucose test may be used to: Detect high blood glucose (hyperglycemia) and low blood glucose (hypoglycemia) Screen for diabetes in people who are at risk before signs and symptoms are apparent; in some cases, there may be no early signs or symptoms of diabetes. Screening can therefore be useful in helping to identify it and allowing for treatment before the condition worsens or complications arise. Help diagnose diabetes, prediabetes and gestational diabetes Monitor glucose levels in people diagnosed with diabetes A few different testing protocols may be used to evaluate blood glucose levels, depending on the purpose.