Blood glucose monitoring

  • Alternative Names

    Home glucose monitoring; Self monitoring of blood glucose

    Normal Values
    • Before meals: 70 - 130 milligrams per deciliter (mg/dL)
    • After meals: Less than 180 mg/dL

    Values can vary depending on physical activity, meals, and insulin administration. Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.

    What abnormal results mean

    Low levels indicate hypoglycemia. Have something to eat. You may need to change the next insulin dose, and possibly future insulin doses as well.

    If levels are too high, this indicates hyperglycemia. You may need additional insulin.