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7. Check if the result is in range
Compare the result displayed on the meter to the control solution
range printed on the test strip vial. Each vial of test strips may have a
different control solution range. If the results you get are not within this
range, the meter and strips may not be working properly. Repeat the
control solution test.
Out-of-range results may be due to:
• not following the instructions detailed on
pages 42–45,
• expired or contaminated control solution,
• expired or damaged test strip,
• use of a test strip or control solution past
its discard date, or
• a problem with the meter.
100–135 mg/dL
(Example)
ƽ 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.
ƽ CAUTION: If you continue to get control solution test results that fall
outside the range printed on the test strip vial, do not use the meter,
the test strips, or the control solution. Call Customer Service.
Control solution testing
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