November 17, 2007
A1c (Glycohemoglobin, HgbA1c), Other
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Question from Buffalo, New York, USA:
What effect will donating blood every eight weeks have on A1c results? My results are consistently lower than I expect them to be.
Answer:
From: DTeam Staff
If red blood cell survival is less than the usual 120 days, which could occur with frequent phlebotomy, the A1c could be lowered falsely. I would suggest you withhold from donating, if possible, and see if there is an effect.
JTL
