The amount of a discoidin, CUB and LCCL domain-containing protein 2 (human) when measured in blood. The trait is amount of discoidin, CUB and LCCL domain-containing protein 2 (human) in blood (Ontology of Biological Attributes term OBA_2052249). Also known as: blood discoidin, CUB and LCCL domain-containing protein 2 (human) amount.