Elevated vitamin B12 (marker)

Dr Daniel J Bell et al.

Elevated vitamin B12 (also known as hypervitaminosis B12 or hypercobalaminemia) is most important as a diagnostic and prognostic marker for malignant disease 1,3.

Very high serum levels of vitamin B12, following dietary megadosing, does not seem to have any observable deleterious effects 2


Article information

rID: 64052
Section: Pathology
Synonyms or Alternate Spellings:
  • Hyperhydroxycobalaminemia
  • Hyperhydroxycobalaminaemia
  • Hyperhydroxocobalaminemia
  • Hyperhydroxocobalaminaemia
  • Elevated hydroxocobalamin
  • Increased vitamin B12
  • Hypervitaminosis B12
  • Hypercobalaminemia
  • Hypercobalaminaemia

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