My meters disppointed me!!

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mip
Regular Member


Date Joined Aug 2006
Total Posts : 77
   Posted 12/11/2009 10:08 AM (GMT -7)   
Hello All -
 
I just came back from doc's appointment. Tested fasting and A1c:
 
Fasting - 100
A1C - 5.6%
 
I was shocked when I heard 100 from my Endo. I tested multiple times this morning, before and after the appt.
 
7:00a - 79 (meter)
9:15a - 84 (meter)
10:30a - 100 (lab)
11:15a - 92, 87, 87 (three different meters at the same time)
 
So if you use the numbers from the meters, I am perfect. But lab number is not.
 
However my Endo is not concerned. He said the lab range is 65-100, so I am normal. A1c is good. And because they took my blood 10:30a in the morning, even I am fasting, my blood sugar rises as the day goes.
 
Oh, I am so disappointed after all the diet watch and exercise that I have done. My fasting is higher than last year (92).
 
mip
 

Jim1969
Veteran Member


Date Joined Jul 2009
Total Posts : 2042
   Posted 12/11/2009 1:12 PM (GMT -7)   
The at home meters are just a guide for your day to day checks, and if the numbers are within 10-15% (I have heard both from various diabetic professionals) of the lab results they are considered accurate.

Every meter I have had has always read lower than the doctor's monitor or lab test. I have a hunch they are intentionally designed to do this to keep people from taking too much insulin since many insulin dependent diabetics are on a sliding scale based on either their current BS reading or their carb intake at their next meal or both.
2 confirmed herniated lumbar discs. Spinal Arthritis. Spinal Stenosis, diabetic peripheral nueropathy.


LanieG
Forum Moderator


Date Joined Nov 2006
Total Posts : 5396
   Posted 12/11/2009 1:59 PM (GMT -7)   
Oh Mip, I understand your disappointment.  sad   But the A1c is great!  And, yes, the blood sugar would rise on its own as the morning goes on even if you're fasting.  If the lab had tested you at 8:00 a.m., I'll bet you would have been lower than 100.  All your attention to diet and exercise has paid off, honest!  You're doing great! 
 yeah
Lanie
 
forum moderator - diabetes
diabetes controlled so far by exercise and a low/no carb diet


mip
Regular Member


Date Joined Aug 2006
Total Posts : 77
   Posted 12/11/2009 2:07 PM (GMT -7)   
Thank you Lanie and Jim.

I feel better now. I have recovered from my initial shock. The good news is my cholesterol is good with more eggs and lean meat in my diet.

Another confusion is the normal range for A1c. Endo said their lab (in-house) is 4.5% to 5.7%, which seems low to me. I always heard 6% or 6.5%. Any idea why?

Mip

LanieG
Forum Moderator


Date Joined Nov 2006
Total Posts : 5396
   Posted 12/11/2009 2:15 PM (GMT -7)   
That depends on what 'normal' is and who says it!  A non-diabetic would have an A1c around the numbers that your Endo's lab says, but for some reason other labs (like the one my doctor's office uses, Quest) say their 'normal' is under 6.  Yet, some members here on the forum have said their doctors want under 6.5, so you can see why there's confusion all the time.  The best plan is to continue what you're doing to get your A1c in the 5 range.  (my nonprofessional opinion)
Lanie
 
forum moderator - diabetes
diabetes controlled so far by exercise and a low/no carb diet


Jeannie143
Veteran Member


Date Joined Apr 2004
Total Posts : 6056
   Posted 12/11/2009 9:50 PM (GMT -7)   
Your numbers are great! Keep up the good work and enjoy life. That's the whole purpose of taking care of you.
~ Jeannie, Forum Moderator/Diabetes & Fibromyalgia
I know God will not give me anything I can't handle. I just wish that He didn't trust me so much. ~Mother Teresa

"People are like stained glass windows: They sparkle and shine when the sun's out, but when the darkness sets in, their true beauty is revealed only if there is light within."- Elizabeth Kubler-Ross


arnie0717
New Member


Date Joined Dec 2009
Total Posts : 1
   Posted 12/14/2009 5:44 PM (GMT -7)   
I'm a newbie here, so I hope I'm not too late to get into this thread.

You have to remember that meters are making a number of educated guesses in coming up with the numbers. They're trying to convert from the whole blood that they use for testing to plasma numbers which come from the lab, and that can be as much as a 15% correction. Also, the lab test has about a 4% variation, so last year's 92 and this year's 100 may not actually be any different.

The A1c issue is that there are only about 15 labs in the world which are certified to run A1c's and all are with big clinical research centers. That's why they can't use A1c for a diagnosis-because there's a difference in labs. Basically, if this one is lower than the last one, you're on the right track.

I'm newly-diagnosed and incredibly impressed at how much work you've obviously put into taking control. I hope I'm that dilligent. I go in for my three-month testing in a couple of weeks, so I guess I'll find out!

LanieG
Forum Moderator


Date Joined Nov 2006
Total Posts : 5396
   Posted 12/14/2009 7:54 PM (GMT -7)   
Welcome to HealingWell, Arnie.  There is a lot of information in our previous posts about blood sugar readings, food, recipes, meds, etc.  I hope you take the time to sift through these threads to learn as much as you can.
Lanie
 
forum moderator - diabetes
diabetes controlled so far by exercise and a low/no carb diet

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