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Medical Forum / Diseases and Disorders / Diabetes / March 2006Fast before an A1C test??
Hi Group I'm a Type 1 and have had many Lab A1C tests done, but always drawn when I had Lipid panels and Fast BG tests.etc. Now my Doc in 3 months just wants a Single A1C done only and I hear Pro's and Con's if I should fast. (I know, I should have asked before I left office) but, got caught up on getting my Rx's filled. How does the group feel about this issue?? Thanks  SignatureLarry from NJ T-1 > Hi Group > I'm a Type 1 and have had many Lab A1C tests done, but always drawn when I [quoted text clipped - 3 lines] > office) but, got caught up on getting my Rx's filled. > How does the group feel about this issue?? Fasting is not required for an HbA1c. scroll down here: http://www.hopkinsafter50.com/html/silos/diabetes/diaLIB_JHMT_Glucose.php Susan > Hi Group > I'm a Type 1 and have had many Lab A1C tests done, but always drawn when I [quoted text clipped - 5 lines] > > Thanks What do you mean how does the group feel about "this issue"? What are the instructions on the lab form? If it says to fast, then don't eat after midnight. You don't need to fast for an A1c, if that's all you are having done. What exactly are you getting at, Larry? Dave Hi Dave There is no instructions on my RX form. I went to a site and the Dr claimed if your sugar is very high or very low at time of the A1C test, it could affect the outcome. I am just trying to find out more, or I'll just call my Doc on Monday. No big deal, but it would be nice to wal;k in in the afternoon at Lab and not have to wait like I always did first thing in AM Again, just looking for input Thanks > Hi Dave > There is no instructions on my RX form. [quoted text clipped - 4 lines] > have to wait like I always did first thing in AM > Again, just looking for input Thanks Don't worry about if you are high or not. Your A1c is not something you are trying to "cheat" on, anyway. LOL. The A1c tests your control over approximately 3 months. Seriously, if it doesn't say fast, then don't bother. And remember, IF YOU DO FAST, YOU CAN DRINK WATER! Only for surgery, do you skip drinking water. Dave > Hi Dave > There is no instructions on my RX form. [quoted text clipped - 4 lines] > have to wait like I always did first thing in AM > Again, just looking for input Thanks The link I posted gives information to that effect; certain meds, very high or low bg can have an effect. Is there any reason to believe that you can't keep your bg in range for the test? Susan > Hi Dave > There is no instructions on my RX form. [quoted text clipped - 4 lines] > have to wait like I always did first thing in AM > Again, just looking for input Thanks You do not need to fast before an A1c. Priscilla Thanks Group Looks like No fasting is the one!! Thanks Larry Ill follow the leader and sayyou dont have to fast before an a1c if that is all that is being tested. Loretta -- In tribute to the United States of America and the State of Israel, two bastions of strength in a world filled with strife and terrorism. >What do you mean how does the group feel about "this issue"? What are >the instructions on the lab form? If it says to fast, then don't eat >after midnight. You don't need to fast for an A1c, if that's all you >are having done. What exactly are you getting at, Larry? > >Dave Hi Dave and Susan, I think that what is going on is that most doctors have people report early in the morning, so that they can get a fasting blood glucose. As long as they are sending samples to the lab, they order all those other tests we request, like the a1c... I think Susan may be actually right about the non-necessity of needing to fast before a sample for the a1c, if that is all that is being tested, because Hba1c gives a measure of glycolization of the red blood cells, which would not depend upon fasting, or not fasting.... Since the average replacement time for rbc is understood to be approximately 90 days, they use that as a measure of BG control for the preceeding 3 months. Just some observations from the neighborhood potted plant...:-) Will, T2 >>What do you mean how does the group feel about "this issue"? What are >>the instructions on the lab form? If it says to fast, then don't eat [quoted text clipped - 19 lines] > > Will, T2 Here's how my testing goes, Will. Once a year I get some fasting tests; the rest of the time the A1c and whatever else he has me tested for don't require fasting. Rather than analyze it, I just look at the form to see if "Fasting" is checked. I expect him to know when he needs to mark the form "fasting". I don't give it any more thought than that. dave > Will, T2 Hey Will, did you ever put someone way that was infamous? (come to think of it, all criminals are infamous in their own way, I suppose). Dave >> Will, T2 >Hey Will, did you ever put someone way that was infamous? (come to think >of it, all criminals are infamous in their own way, I suppose). > >Dave Not really, Dave... There were those who did really, really did deserve what they got...but because of concerns about reprisal, I would rather not get into it. I am sure you must understand. Will, T2 >>>Will, T2 >> [quoted text clipped - 8 lines] > > Will, T2 Don't like wearing a bullet proof vest 24/7? :) Dave >> Not really, Dave... There were those who did really, really did >> deserve what they got...but because of concerns about reprisal, I [quoted text clipped - 4 lines] > >Dave I'm sorry Dave. I really cannot comment upon my personal security measures.... You can sleep safely at night, though, because there are those who risk their lives daily for our freedoms. Someone I knew died just this past week, while protecting us all. He was a truly wonderful man.... That has absolutely nothing to do with the war, I might add...... He was simply a detective for the Department of Homeland Security, working in the Department of U.S. Citizenship and Immigration Services (USCIS)... Will, T2 >>>Not really, Dave... There were those who did really, really did >>>deserve what they got...but because of concerns about reprisal, I [quoted text clipped - 9 lines] > measures.... You can sleep safely at night, though, because there are > those who risk their lives daily for our freedoms. > Will, T2 I take it you are armed. dave >>> Not really, Dave... There were those who did really, really did >>> deserve what they got...but because of concerns about reprisal, I [quoted text clipped - 16 lines] > > Will, T2 My Dear Will, I just now saw your post, and I am so sorry to hear of the loss of this fine man. I know you feel an empty place in the world that used to be filled by that great public servant and generous human being. I believe we all feel the loss in the world of our lives when we lose someone because the special uniqueness of each of us adds our particular and special something to the fabric of all our lives. I am so sorry this has happened. I know how hard these things kick us in the gut and just wear at our strength, and I believe it hits us all. I very much hope you can remember and appreciate this man's fine life and carry the memory of his service to the community and to his family and friends forward with you and allow it to enrich and inform your own experience as appropriate in future. I am so sorry for our loss, my friend, and I hope his family and friends and coworkers are able take the good and inspiring memories of his life forward and use them to enrich the future of all our lives. Best regards, rudy bantista@thuntek.net T2, last A1c 5.9, current bg 126 >> Will, T2 > [quoted text clipped - 22 lines] >bantista@thuntek.net >T2, last A1c 5.9, current bg 126 Thanks, Rudy While I was on very good terms with the gentleman who died in the line of duty, so to say, I was not extremely close to him. He was a very fine man. He left a sixteen year old daughter and a wonderful wife, though, who are certainly going through a real berevement right now. Will, T2 > What do you mean how does the group feel about "this issue"? What are the > instructions on the lab form? If it says to fast, then don't eat after > midnight. You don't need to fast for an A1c, if that's all you are having > done. What exactly are you getting at, Larry? "don't eat after midnight" is also a blanket instruction that may be quite off the mark. You're probably assuming that the test is in the 7-10 a.m. time frame, which may not be the case at all. When I was told "no food or drink after midnight" before surgery, I knew that was a "canned instruction". I then proceeded to have a thorough discussion with the nurse about things -- in particular, that I didn't think that 15 or more hours without at least water, in the middle of a July heatwave, was such a good idea. She saw my point & we agreed that my "midnight" would be about 6am. bj >>What do you mean how does the group feel about "this issue"? What are the >>instructions on the lab form? If it says to fast, then don't eat after [quoted text clipped - 12 lines] > "midnight" would be about 6am. > bj Agreed. one should always get clarification on pre surgery instructions. dave >>What do you mean how does the group feel about "this issue"? What are the >>instructions on the lab form? If it says to fast, then don't eat after [quoted text clipped - 12 lines] > "midnight" would be about 6am. > bj That reminds me of how difficult it was for the staff to start an IV on me, due to dehydration, before some minor surgery. After much poking and prodding, the third person got the IV started. Had I not gone without water so long, my veins would have been easy to start an IV in. dave >Hi Group >I'm a Type 1 and have had many Lab A1C tests done, but always drawn when I [quoted text clipped - 5 lines] > >Thanks Officially, you don't need to fast. However, in your position, if all your previous A1c's were fasting I'd probably fast to be sure there is an accurate comparison. But that would be me being over-careful, not a medical requirement. Cheers, Alan, T2, Australia. d&e, metformin 2x500mg SignatureEverything in Moderation - Except Laughter. > Hi Group > I'm a Type 1 and have had many Lab A1C tests done, but always drawn when I [quoted text clipped - 3 lines] > office) but, got caught up on getting my Rx's filled. > How does the group feel about this issue?? No need to fast for that! SignatureSee my webpage: http://mysite.verizon.net/juliebove/index.htm Thanks 'Again" Group. Learn something everyday Larry from NJ > Hi Group > I'm a Type 1 and have had many Lab A1C tests done, but always drawn when I [quoted text clipped - 5 lines] > > Thanks I would call the lab or doctor's office and ask...no sense guessing for something like this. On the other hand, I can tell you that I occasionally use one of the home A1c kits (*in addition* to having it done on prescription), and they do not require fasting. MaryL |
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