Control solution range – Lifescan SureStep User Manual

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Control Solution Range

If test results fall outside the expect-
ed range, repeat the test. Results that
fall outside the expected range may
indicate the system is not working
properly. Some possible causes are:

■

Procedural error

■

Expired or contaminated

control solution

■

Test strip code and meter code

do not match

■

Dirty meter or test strip holder

■

Test strip deterioration

■

Meter malfunction

■

Control solution that is outside
of the temperature range 15–35˚C
(59–95˚F)

If you are unable to resolve the
problem, call the LifeScan Customer
Care Line at 1 800 663-5521
(U.S.A. 1 800 227-8862).

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