The amount of a leukocyte immunoglobulin-like receptor subfamily A member 2 (human) when measured in blood. The trait is amount of leukocyte immunoglobulin-like receptor subfamily A member 2 (human) in blood (OBA_2052829, an Ontology of Biological Attributes id). Also known as: blood leukocyte immunoglobulin-like receptor subfamily A member 2 (human) amount.