A1C testing for diabetes is recommended as early as age 35. The following chart outlines normal blood sugar levels, as well as ranges that are consistent with prediabetes and diabetes. These ...

A urine glucose test has traditionally been used to check for diabetes. In addition, people with diabetes may use it to monitor blood sugar levels and measure the efficacy of treatments.

If blood sugar levels continue to be significantly high in the mornings, a person should contact a doctor. People can test their blood sugar levels using at-home devices to check their blood sugar ...

Healthcare providers routinely test blood sugar levels because high blood sugar (hyperglycemia) can signal prediabetes or diabetes, conditions that require early intervention to prevent complications.