Senior Member
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Join Date: Jun 2013
Location: USA
Posts: 1,232
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Senior Member
Join Date: Jun 2013
Location: USA
Posts: 1,232
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Hi Patrick,
You are correct that meter readings can be off and to stress over something 105 that may really be a 90 is futile.
I am diabetic and rely heavily upon my meter for insulin dosage. I always do my own reading right before having a lab draw. My most recent one was 1 point different than my meter. It is usually never more than 2 points different. That is how I check the calibration of my meter to know that I am getting accurate results.
As a diabetic, I also know when a reading from my meter should be of suspect. If a wake up and have a fasting blood sugar of 166, I know I need to re-check. Did I test too soon and the alcohol was not dry? Did I have soap residue on my finger?
Whenever I get a reading that is not what I expect, I always test again within a few minutes to verify. The day I got the fasting 166, subsequent test showed 168. It WAS a correct reading. My fasting levels returned to "MY" normal the next day. It was just an odd day in the life of this diabetic. I will get an abnormally HIGH FASTING level about once a month. Don't know why but I do verify that it is a valid number and not a meter mistake or some other external source that caused an erroneous reading.
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