Lifescan OneTouch Ultra Owner's Booklet page 23

CAUTION: The control solution range printed on the test strip vial
is for OneTouch
recommended range for your blood glucose level.
When to do a control solution test:
• Once a week.
• When you open a new vial of test strips.
• Whenever you suspect that the meter or test
strips are not working properly.
• If your blood glucose test results are not
consistent with how you feel.
• After dropping the meter.
® ®
Ultra Control Solution only. It is not a
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