Common problems when using glucose meters

Problem Result Recommendation
Test strip not fully inserted into meter Code error Always make sure the test strip is fully inserted
Patient sample site (e.g. fingertip) contaminated with sugar False high reading Always clean and dry the sample site before testing
Insufficient blood applied to strip Er4 error code displayed Repeat the test with a new sample
Batteries low on power Battery error Change batteries and test again with a new sample
Test strips stored at temperature extremes Fales high/low reading Store kit and components according to the instructions
Test strip vial cracked False high/low reading Always inspect packages for cracks and handle with care.

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