The amount of a leucine-rich repeat and immunoglobulin-like domain-containing nogo receptor-interacting protein 3 when measured in blood serum. The trait is level of leucine-rich repeat and immunoglobulin-like domain-containing nogo receptor-interacting protein 3 in blood serum (OBA_2044497). Also known as: blood serum leucine-rich repeat and immunoglobulin-like domain-containing nogo receptor-interacting protein 3 amount.