Normal serum methylmalonic acid levels are 0.08 to 0.56 micromoles/L. Values higher than this may mean vitamin B-12 deficiency or a genetic disease resulting in high levels of methylmalonic acid (methylmalonic acidemia).
Review Date: 3/2/2006
Reviewed By: Daniel R. Alexander, M.D., Department of Internal Medicine, St. Mary's Hospital, Leonardtown, MD. Review provided by VeriMed Healthcare Network.
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