The amount of a NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 when measured in blood serum. The trait is Ontology of Biological Attributes id OBA_2042540 (level of NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 in blood serum). Also known as: blood serum NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 amount.