Lifescan OneTouch Basic Basic Blood Glucose Monitoring System Owner's Booklet page 31

Note: The control solution range is
shown in two different units of
measure—mg/dL (used in the United
States) and mmol/L (usedin Canada
and some parts of Europe).
OneTouch
a
Control solution test results are
automatically stored with the word
contrl. (If you use a logbook, indicate
control solution tests by writing "C"
after the result.)
®
Normal Control Range
(Example)
Control solution results
If test results fall outside the range
printed on the test strip vial, repeat the
test. Results that fall outside the
expected range may indicate:
Procedural error
■
■ Control solution that has not been
shaken enough
■ Expired or contaminated control
solution
Improper coding of the meter
■
■ Dirt on test strip holder or on test
area beneath the test strip holder
Test strip deterioration
■
■ Expired or contaminated test strip
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