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What are normal levels of b12?

Lucas Clark | 2023-05-26 10:24:43 | page views：1733
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Amelia Lewis

Studied at the University of Vienna, Lives in Vienna, Austria.
Patients with serum B12 levels between 150 and 400 ng/L are considered borderline and should be evaluated further by functional tests for vitamin B12 deficiency. The plasma homocysteine level is a good screening test. A normal level effectively excludes vitamin B12 and folate deficiency in an asymptomatic patient.
2023-05-30 10:24:43
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Sophia Nguyen

QuesHub.com delivers expert answers and knowledge to you.
Patients with serum B12 levels between 150 and 400 ng/L are considered borderline and should be evaluated further by functional tests for vitamin B12 deficiency. The plasma homocysteine level is a good screening test. A normal level effectively excludes vitamin B12 and folate deficiency in an asymptomatic patient.
B12 - Clinical: Vitamin B12 Assay, Serum - Mayo Medical Laboratories
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