How to Do a Finger Prick Test Finger prick tests don’t have a lot of difficult instructions, but they can be hard if you have a weak stomach or aren’t used to doing a finger prick on yourself.

Learn the best times to check your blood sugar, what your results mean, and how to use them to manage your health. It varies due to several factors.

They do periodic finger stick checks to make sure their CGM systems remain accurate. The traditional finger-stick measurement checks blood sugar level.

With multiple data points, a continuous glucose monitor offers a more complete picture of how your body manages blood sugar but hasn’t replaced finger sticks.