The blood glucose level is how much glucose is in your blood at a given time. This level is very important for people with diabetes, and they must monitor their blood glucose level throughout the day. If the blood glucose level is too high (hyperglycemia), that means that there isnt enough insulin in the blood. If its too low (hypoglycemia), th... Found on https://www.endocrineweb.com/conditions/diabetes/diabetes-glossary