The amount of a killer cell immunoglobulin-like receptor 3DL1 (human) when measured in cerebrospinal fluid. The trait is Ontology of Biological Attributes entry OBA_2057866 (level of killer cell immunoglobulin-like receptor 3DL1 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid killer cell immunoglobulin-like receptor 3DL1 (human) amount.