Freestyle Libre 14 day User Manual page 42

No Current Glucose Number
When there is no Current Glucose number, such as when you receive an
error message or a LO or HI result, you don't have enough information to
make a treatment decision . When there is no Current Glucose you will see
the symbol . Whenever you see the
test and treat based on that result .
During the first 12 hours of wearing a Sensor
During the first 12 hours of wearing a Sensor, you should not use glucose
readings from the Sensor to make treatment decisions . You will see
the symbol displayed during this time, and whenever you see the
symbol, do a blood glucose test and treat based on that result .
Think Your Readings are Incorrect?
Don't trust Sensor glucose readings that you think may be incorrect or
that don't match what you would expect based on your recent activity .
For example, if you ate dinner but forgot to take insulin before eating, you
would expect your glucose to be high . If your glucose reading is low, then
it doesn't match your recent activity, so don't use it to make treatment
decisions . Don't make treatment decisions if you think your Sensor glucose
readings are incorrect . Do a blood glucose test and treat based on that
result .
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symbol, do a blood glucose