24
Monitoring
Blood Glucose
"E-4" Result
What It Means:
Your blood glucose may be too high to
be read by the system, or there may be a
problem with the test strip.
What to Do:
Monitor your blood glucose again with a
new test strip. If E-4 shows on the display
window again, contact your healthcare
professional immediately.
IMPORTANT:
It is recommended that you repeat the blood glucose test
with a new test strip when:
• LO shows on the display window.
• You obtain a low blood glucose result, but you do not have
symptoms of low blood glucose.
• Your meter displays a blood glucose result that is unusually
low, lower than 50 mg/dL.
• HI shows on the display window.
• You obtain a high blood glucose result, but you do not have
symptoms of high blood glucose.
• Your meter displays a result that is unusually high, higher
than 300 mg/dL.
• You question your result.
• Your meter displays an error message (For example, E-4).
IMPORTANT:
A result that is incorrect may have a serious medical outcome.
Consult your healthcare professional before changing your
diabetes medication program.
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