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How to test blood sugar

To test your blood sugar level, collect your blood glucose meter, a test strip and lancing device.

See how to prepare the meter and test strip, lance your finger and get a reading using the ACCU-CHEK Aviva Plus system.

Or follow these steps:

  1. Wash and dry your hands—using warm water may help the blood flow.1
  2. Turn on the meter and prepare a test strip as outlined in your owner's booklet.
  3. Choose your spot—don't check from the same finger all the time.1
  4. Follow the manufacturer's instructions to prepare the lancing device and get a drop of blood from the side of your fingertip or other approved site.2
  5. Check your blood sugar by touching and holding the test strip opening to the drop until it has absorbed enough blood to begin the test.
  6. View your test result and take the proper steps if your blood sugar is too high or low, based on your healthcare professionals' recommendations.
  7. Discard the used lancet properly.
  8. Record the results in a logbook, hold them in the meter's memory or download to a computer so you can review and analyze them later.

For meter-specific instructions on how to test your blood sugar levels, choose your system:

Choosing the right blood sugar meter

When to test blood sugar


1Joslin Diabetes Center. Tips for more pain-free blood glucose monitoring. Available at: https://www.joslin.org/info/tips_for_more_pain_free_blood_glucose_monitoring.html. Accessed February 21, 2014.
2Talk with your healthcare professional before deciding if alternate site testing is right for you.

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A hand-held device for testing and measuring blood sugar levels. A drop of blood is placed on a small strip inserted in the meter. The meter quickly calculates and displays the blood sugar level. Also known as a blood glucose monitor.

A pen-like device that pricks the skin with fine needle, or lancet, to obtain a blood sample for testing.

A disposable needle inserted into a lancing device and used to obtain a blood sample for testing.