The amount of a NKG2-A/NKG2-B type II integral membrane protein (human) when measured in cerebrospinal fluid. The trait is level of NKG2-A/NKG2-B type II integral membrane protein (human) in cerebrospinal fluid (OBA_2057516). Also known as: cerebrospinal fluid NKG2-A/NKG2-B type II integral membrane protein (human) amount.