The amount of a dehydrogenase/reductase SDR family member 4-like 2 when measured in blood. The trait is Ontology of Biological Attributes entry OBA_2051354 (level of dehydrogenase/reductase SDR family member 4-like 2 in blood). Also known as: blood dehydrogenase/reductase SDR family member 4-like 2 amount.