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Vitamin B12 level is 795

I am 57 year old male. I am recently having pain near the lateral side of left triceps and 2 kgs of weight loss in last 2 months. The triceps pain started earlier but it worsened in the last 2 months. Doctor gave B complex twice daily and prescribed several tests. Cardiac tests (echo and EKG) are normal, chest X ray normal, left hand X ray detected cervical spondylosis. Now I also did several blood test-CBC, thyroid, lipid profile, blood sugar, creatinine, potassium, sodium. Everything is normal except Vitamin B12 level. The range level of the lab was 200 to 850. My test result was 795. Though it is still within range, I think my level is very high in my opinion. I searched internet and saw that high B12 is sometimes related to leukemia and liver malignancies. I again say the CBC is completely normal (Can leukemia be ruled out if I have normal CBC ? ) . I am very concerned regarding recent 2 kg weight loss and this high B12. I am always a slim person with normal weight. I am not alcoholic. I was a regular smoker but left smoking completely 5 years back. What is causing this high B12? Seeking answers from from people who know about blood and liver disorders.
1 Responses
363281 tn?1590104173
COMMUNITY LEADER
Hello~Your B12 level is completely normal, there is nothing to worry about, mine have been much higher than that and there still isn't any major problem. As to leukemia showing in a CBC, most of the time, yes it can, via the white blood count.

I wouldn't worry, your blood tests all sound normal, if your doctor was concerned, he would have told you, but again, that B12 level is perfect. :-)
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