Guest guest Posted February 7, 2010 Report Share Posted February 7, 2010 Annie My B12 level when I was first tested as deficient was 192. My neurologist caught this, not my primary physician or gastroenterologist. He checks my levels annually. Normal B12 levels are considered to be 500 to 1000, but the range may vary slightly depending on the lab. What test tests for B12 levels?Is it a normal blood test with B12 checked off on the form or something else? Mara Quote Link to comment Share on other sites More sharing options...
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