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A member asked:
My serum b12 is flagged as high (1123 pmol/l; the upper limit is 700 pmol/l). i am not supplementing. my cbc was fine. is this a cause for concern?
A doctor has provided 1 answer
Yes,needs evaluation: This is not always serious but it might be an early sign of cancer, liver or kidney disease or autoimmune disease. Many doctors may not know this so you might want to share this article with your doctor and undergo adequate testing to rule out anything serious: https://academic.oup.com/qjmed/article/106/6/505/1538806
Answered 3/21/2019
347 views
Thank
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I had a CBC and chemistry 14 done today. All labs normal other than high b12 at 1396. Should I be concerned? I have no pancreas
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Got labs drawn. CBC, CMP both all normal ranges. B12 high 1356 (range 232-1245) I take 1000 mcg sublingual daily. Should I stop? Would this cause this elevation?
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What might cause high B12 levels? I also had low iron (long-standing anemia) and low vitamin D. CBC was normal except mildly low hemoglobin.
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