The amount of a interleukin-1 receptor-associated kinase 4 (human) when measured in cerebrospinal fluid. The trait is level of interleukin-1 receptor-associated kinase 4 (human) in cerebrospinal fluid (Ontology of Biological Attributes entry OBA_2081300). Also known as: cerebrospinal fluid interleukin-1 receptor-associated kinase 4 (human) amount.