level of bifunctional UDP-N-acetylglucosamine 2-epimerase/N-acetylmannosamine kinase in blood (Ontology of Biological Attributes identifier OBA_2050668) is the amount of a bifunctional UDP-N-acetylglucosamine 2-epimerase/N-acetylmannosamine kinase when measured in blood. Also known as: blood bifunctional UDP-N-acetylglucosamine 2-epimerase/N-acetylmannosamine kinase amount.