Abbott FreeStyle Flash Blood Glucose Monitor Owner's Booklet page 19

When should I perform a control solution test?
• When you question your results and want to confirm that your
monitor and test strips are working properly.
For information on how to obtain Control Solution, call Customer
Care at 1-800-522-5226.
How do I know if my control solution has expired?
FreeStyle Control Solution is good for three months after opening
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the bottle, or until the expiration date printed on the label, whichever
comes first. Count forward three months from the date you open a
new bottle of control solution. This is your discard date. Write this
date on the side of the control solution bottle.
Example: You open the control solution on January 15th. Count
forward three months to April 15th. This is the discard date that
you record on the bottle.
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