Lifescan OneTouch Ultra - Manuel (Page 26)

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If test results fall outside the range printed on
the test strip vial, repeat the test. Out-of-range
results may be caused by one or more of
the following:
• Error in performing the test.
• Failure to shake the control solution
vial well.
• Expired or contaminated control solution.
• The meter, test strips, or control solution are
too warm or too cold.
• Failure to discard the first drop of control
solution and wipe the dispenser tip clean.
• Improper meter coding.
• Test strip deterioration.
• Meter malfunction.
CAUTION: If you continue to get control solution test results
that fall outside of the range printed on the vial, the system
may not be working properly. Do not use the meter. Call the
OneTouch
® Customer Care Line at 1 800 663-5521.
Comparing control solution results
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