Accuracy of my meter

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Accuracy of my meter


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Old 07-14-2017, 13:41   #1
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Default Accuracy of my meter

Can someone tell me how to check the accuracy of my meter? I have been concerned about it before, and was told it was because. Didn't believe I was diabetic so I was expecting to much. This morning I checked my BF and it read 135, I thought, there is no flipping way!!! So I rechecked it as soon as I could get a strip in and it was 114. Took less then 30 seconds to recheck. I don't have a choice on the type of meter it is a one touch verio.

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Old 07-14-2017, 14:04   #2
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Sorry, I cannot tell you how to check your meters accuracy. Most on here assume our meters and/or tabs can vary +- 20%. So if my target is to keep my blood sugar at or below 140 I never want a reading over 112....

Good Luck

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Old 07-14-2017, 17:43   #3
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https://www.diabetesdaily.com/blog/2...parison-chart/
This makes me angry. I guess the American diabetic Assos, and big medicine only need us for a pay day. I don't expect perfect numbers, but some of these are not even close.

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Old 07-14-2017, 22:07   #4
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The technology of the meter/strips is the best we have at this time. No, they're not 100% accurate. But most meters are within the 20% variance, and usually 10% or less with lower BG levels. Next time you get a lab test of your glucose levels, test at the same time with your meter to see how close your meter is to the lab result.

You can drive yourself crazy trying to "guess" what your BG "really" is. Of course, with a not-expected reading you should test again. (There could have been something on your finger that contributed to the higher reading, or that was a faulty strip).

Another factor is that blood is not homogonous. There's parts more concentrated than others, and even BG tested seconds apart won't have the same concentration of glucose in it.

What you really want to follow is trends.

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Old 07-14-2017, 22:10   #5
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Originally Posted by VeeJay View Post
...

What you really want to follow is trends.
You took the words right out of my mouth.

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Old 07-14-2017, 22:20   #6
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I believe there was a new standard enacted upon meters manufactured this year that the variance has to be <10%. Not that one can tell when looking at a meter when it was made. I'm pretty sure mine is one with the +/- 20% standard.

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Old 07-15-2017, 12:06   #7
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I believe there was a new standard enacted upon meters manufactured this year that the variance has to be <10%. Not that one can tell when looking at a meter when it was made. I'm pretty sure mine is one with the +/- 20% standard.
I'll call the company and check on mine, I'm so excited when I lose a few more numbers to think my BG could have dropped by 10, and to think it could have been an error, is not real encouraging.

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Old 07-15-2017, 14:23   #8
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errors go both ways. Could be higher.... but, then again, could be lower.

Usually a meter will read consistently one way or another. So you're not going to see high one time or low another time.

My current meter reads a few points lower than my lab results. The Relion I had before read about 10 points higher. But they are both consistent in that.

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Old 07-18-2017, 03:12   #9
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Quote:
Originally Posted by Blue Girl View Post
Can someone tell me how to check the accuracy of my meter?
I'm a bit surprised no one has mentioned control solution. I'm not familiar with the Verio meter, but most meters I know of can use a proprietary control solution that at least lets you verify with a known substance that the meter is working correctly.

I've read in a few places that some folks don't find control solution necessary, for various good reasons. But it seems to exist for the Verio meter; for a few bucks it would be one way to verify the meter is not way off.

But I largely agree with what many have inferred here: meters are the last place to look for very precise documentation of blood glucose levels. Not only are they legally allowed to be "off" by a certain percentage, but they are affected strongly by where on your body you test or by testing sites which which aren't quite clean or by ambient temperature or by blood sample size) or ... well, a lot of things. Look at trends rather than absolute numbers and test again if the number seems quite off.

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Old 07-18-2017, 14:57   #10
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I got a free control solution one time by calling the manufacturer saying I wasn't sure it was working right.

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70 yrs. Dx May 2010
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A1C in the 5% range.
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Gluten intolerant, sensitive to dairy & eggs.
Eat no grains
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