A member asked:

I just found old blood work i noticed my b12 says 1267. i know that is really high. what could be the cause. dr never told me about it last yr?

A doctor has provided 1 answer

Not a problem: I'm going to assume that your other labs are unremarkable. Some folks makes extra B12 binding protein. Nobody really understands why. Don't worry about it.

Answered 8/22/2018

3.8k views

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