The amount of a Arf-GAP with coiled-coil, ANK repeat and PH domain-containing protein 2 when measured in blood serum. The trait is level of Arf-GAP with coiled-coil, ANK repeat and PH domain-containing protein 2 in blood serum (OBA_2040473). Also known as: blood serum Arf-GAP with coiled-coil, ANK repeat and PH domain-containing protein 2 amount.