I'm on Medicare and I have a supplement from Anthem . They are requiring me to have a c peptide test before they will cover my pump supplies. The last time I had a c peptide test was about 5 years ago and I was told to hold my insulin injections before the test so at that time my BG was sky high and and my c peptide was less than 1. This time I'm told to continue wearing my Insulin pump and that there is no need to fast. I'm afraid that if I'm just less than one like .7-.9 that my insurance won't cover me for the supplies.
I've been a diabetic for 12 years and I've had the pump for 3 years, and it has saved my life. What is the best way to insure a low reading below .6? Should I go ahead and fast the night before the test or should I eat? I'm just really scared that it won't be low enough for me to be covered.
Thank you in advance for any suggestions

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Don't eat carbs before you go for the test. Possibly fasting could be good. Try to get your BGin the normal range before the test. High would not be good as it might stimulate your pancreas.
Fasting is actually required for Medicare - I posted the link to the CMS manual above. Medicare won't accept the test if it is not done fasting.
Maybe I am being dense here (happens quite frequently) but how could they tell if you are fasting or not?
Normally the lab tech will ask - if she says no & it gets marked down as no (or even not marked at all), it will get rejected. There is no way to prove whether you had food or not, but the question will be asked. If she goes in at 5 in the afternoon, they would probably question whether she was actually fasting or not.
Yeah I went to get a lipid panel done on a day I was basal testing and me and the lab guy got into a bit of a dispute about whether I was indeed fasting. It came down to regardless if I was fasting or not I wanted the test done NOW!
That is crazy that he argued with you about it. I don't blame you for wanting it done then.
Synthetic insulin does not have C-peptides so it is fine to take the test while using insulin. I wouldn't worry because if you were already on the pump your c-peptide reading was negligible at best when you got it.
@bsc I agree.
I got a call from my Dr. office last week and my c peptide was less than 0.1, so I think I'm good.
I got a call a few days ago and my supplies are being sent this week. I feel much better : )
Congratulations, Mary Anne! I would expect this to be a one-time activity, so hopefully you'll be all set from now on.

I am still waiting for Medicare approval of pump supplies for my current Minimed pump. All the paperwork (including c peptide test) has been submitted by my endocrinologist and supplies distributor. Medicare requires up to 60 days to make a determination. It's been 30 days now, so it shouldn't be too much longer ....





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