Monitoring
Blood Glucose
"E4" 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 E4 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 monitor displays a blood glucose result that is
unusually low, lower than 50 mg/dL (2.8 mmol/L).
•HI shows on the display window.
•You obtain a high blood glucose result, but you do not have
symptoms of high blood glucose.
•Your monitor displays a result that is unusually high, higher
than 300 mg/dL (16.7 mmol/L).
•You question your result.
•Your monitor 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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