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Chromogranin A conversion

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  • Chromogranin A conversion

    How can I convert and/or compare two different results for my Chromogranin A? The latest one was done using nmol/l and it was 17 (normal range 0-5) while the previous one was done by ng/ml (I believe) and it was 2807 (normal range 25-140). How do I know if it went up or down compared to before?

  • #2
    Originally posted by franbraghieri View Post
    How can I convert and/or compare two different results for my Chromogranin A? The latest one was done using nmol/l and it was 17 (normal range 0-5) while the previous one was done by ng/ml (I believe) and it was 2807 (normal range 25-140). How do I know if it went up or down compared to before?
    You should speak with your doctor for interpretation.

    Conversion between grams and moles requires knowing the molecular weight of the molecule which I was unable to find. Here, you are not entirely sure what the units are.
    However, I would note your result was 20X the upper end of normal range, and the latest, 3X the normal range. Hopefully, that is good news, but speak with your doctor about what it means.

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