A 63-year-old female asked:

I get an average blood glucose reading (over weeks) of 5.3 mml on my onetouch ultra and a 6.3 one shot at the lab. discrepancy?

1 doctor answer1 doctor weighed in
Dr. Gurmukh Singh
Pathology 51 years experience
Expected: Lab glucose is measured in plasma whereas OneTouch measures in whole blood. Whole blood readings are expected to be lower. You may wish to ask your doctor to measure Hb A1c.
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