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A member asked:
You agree with my uk gp? many peoples b12 like mine are very normal 155ng/l range130-800ng/l but would only be considered low b12 result in the us
A doctor has provided 1 answer
Reference ranges: These are set up based on populations and methods, and a few percent of healthies fall outside on either end. I'd respectfully ask you to stop worrying about your B12 status and simply monitor it occasionally like everyone else should. At the same time, I'm glad you're interested in your labs. Truly worrisome results are generally far from the reference range.
Answered 6/30/2015
2.6k views
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