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A female asked:

What can cause high active (holotranscobalamin) b12 levels in blood, when red & white cell & platelet counts, liver & kidney function are all normal?

1 doctor answer • 1 doctor weighed in
Dr. Ed Friedlander
Dr. Ed Friedlanderanswered
Pathology 46 years experience
It's just you: This test itself is not mainstream. It is experimental. A high value on a B12 is never a clinical concern. Reference ranges at real labs are set so that a few percent of healthy folks fall outside on either end.
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A 32-year-old male asked:
I just got a blood test back with B12 @ 2843 I am not supplementing with anything and eat well. My kidney/liver tests were normal. What could this be?
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My B12 vitamin is 1617 and the normal values between 200 and 700 my kidneys & liver are fine and my blood is good.What does that means?
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Last updated May 15, 2018

Found in:

Blood›Vitamin b12›Platelets

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