Expired Test Strips

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Expired Test Strips


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Old 02-03-2018, 17:43   #1
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Default Expired Test Strips

Went on EBay to look for more test strips and found many vendors were selling outdated test strips and people were buying them.

Can you share your thoughts please? Would you use expired test strips? If so do you find them to still be accurate?

Thanks for your help.

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Old 02-03-2018, 17:49   #2
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Can you share your thoughts please? Would you use expired test strips? If so do you find them to still be accurate?
I wouldn't use them. Or expect them to be accurate. I suppose strips which are very recently out of date might still be pretty accurate. But besides being "expired", there's no way to know if the strips were stored properly (temperature, humidity, etc.), which also can affect their accuracy. Waste of $$ in my opinion.

I understand that some strips go for more than US$ 1.00-1.25 apiece at retail. But if that made expired strips attractive to me, I'd sooner buy a meter that uses cheaper strips (mine are about a quarter apiece purchased by the 200). Over the life of a meter, the cost of strips far outweighs the initial outlay for the meter (no matter who is paying for it).

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Old 02-03-2018, 20:37   #3
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I wouldn't buy strips I knew to be already outdated.

As a T2 not on meds, a bit of inaccuracy wouldn't be a real issue. But if I were on insulin, then it would be a huge thing.

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Old 02-03-2018, 21:57   #4
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I buy my test strips off of eBay. 5 years now...no runs, no drips, no errors. As to "expiration"...I've never found anyone there selling expired strips. Not that they might...I just haven't.

Have the strips I've purchased been good? All of them.

As to "expired" strips. Manufacturers always caution on the safe side. Do strips magically go from good to crap on the day of expiration? No...of course they don't. In fact, I've used expired strips sent to me that people no longer need that were 2 years out of expiry that worked fine.

Tip: If you see strips for sale on eBay...look at the sellers sale count. If their sale count is in the single or double digits...shop someone else. If they've sold thousands of items you can bet they're reputable. If the strip sale has no expiry date on the page...you can always email them and ask them the expiry date.


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Old 02-03-2018, 23:05   #5
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I have full coverage from my employer benefits plan so I get my strips free. I only pay the $12 dispensing fee.

But, I would have no problem using expired test strips so long as the packaging is in good shape. I suspect that they are much like food and drugs where many of the expiration dates are total BS

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Old 02-03-2018, 23:51   #6
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I pulled out an older meter this morning and tested with the strips that were with it and then with a new strip. They were only 1 mg/dL apart. The old strip bottle says 2015-08, the new strip bottle says 2018-05. Maybe a coincidence, but I wouldn't buy expired.

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Old 02-04-2018, 00:14   #7
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In fact, I've used expired strips sent to me that people no longer need that were 2 years out of expiry that worked fine.
How do you know they're fine? What's your control? Non-expired strips? I'm genuinely curious. And a scientist.

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Old 02-04-2018, 01:09   #8
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well, if a person had one batch that was new and a second batch that was expired, by keeping each batch separate, you could test a bit with each batch and atleast be able to determine if your readings seem normal and consistant with your good batch. within about 10 strips you should know if you trust the old strips

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Old 02-04-2018, 01:21   #9
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well, if a person had one batch that was new and a second batch that was expired, by keeping each batch separate, you could test a bit with each batch
So, using a control, then. That's fine. But it's not like expired strips grow fuzz or change color to make it obvious they're no good.

I think I'll stick with 25-cent strips. I go through enough of them as it is.

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Old 02-04-2018, 17:03   #10
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from an electronics point of view, the blood has to come in contact with an electrical surface on the test strip for the meter to work its magic.

without even knowing what that surface is, we can generalize that it is a conductive material which is likely suseptical to oxidization.

so one might conclude that an oxidized test strip is not accurate.

but another person might conclude that so long as the meter is able to 'accept' the blood sample it will produce a good reading.

without knowing the mode of failure for test strips, we simply dont know.

ultimately, it would be better to make a decision based on mode of failure rather than basing it on a trust or distrust for expiration dates.

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