Very elevated vitamin B12 levels in four year old. Don't want to google.. Anyone know what it might really indicate?

[navygravy]

4yo DS has had blood test for digestive issues: GP wanted to rule out coeliac, which was negative.

Every other result was clear except vitamin B12 which was over 30,000. GP said the upper limit for normal was 900.

He asked me to stop giving DS a multivitamin (bog standard supermarket kid's one). I asked if anything else could cause a result like that and he said yes, possibly "an issue with his bone marrow"

I've just checked the multivit packet and it doesn't even contain B12.

I want to know what else might cause it but the mention of bone marrow has put the right frighteners on me so I don't want to go down the wormhole of Dr. Google.

Any ideas?

Hello All, I’ve got an almost 7 year old who has autism and a very high level of b12. Did anyone ever get any info about why these levels are so high? I get mixed messages from medical staff and they are still continuing to monitor him.

Hi,

Did you find about why child has elevated b12 levels?

Never did find out.

I am so glad I came across this post. Has anyone had any follow up since and find out why the B12 was so high? What was the gastro virus? Was there anything else - meeting the paediatrician for my son who has high B 12 and high AST and inconclusive ultrasound..

Hello , My daughter had a blood test and it came back with b12 vitamin too high
GP asked me if i give her any supplements and i do so when i read on the box it says it contains 1.25 mg of it in it and children between 4 and 6 apparently should only have 1.2

I also read that too much vitamin b12 can give you skin conditions and my little one has patches in her legs and arms since two months ago. I am so confused
Could all this be connected with this b12 excess?

My son has high B12 and Folate serum. I have a follow up with MD this Friday. What should I be asking for? I read about liver disease and bone marrow as well. Please guide.

Did it sort itself out ?

Hi did you ever find out the reason for elevated b12? Currently going through the same. Thanks!