CAUTION: The control solution range printed on the test strip vial is for OneTouch® Ultra® Control Solution only. It is not a 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.
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