The amount of a U5 small nuclear ribonucleoprotein TSSC4 (human) when measured in cerebrospinal fluid. The trait is Ontology of Biological Attributes entry OBA_2081852 (level of U5 small nuclear ribonucleoprotein TSSC4 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid U5 small nuclear ribonucleoprotein TSSC4 (human) amount.