The amount of a inter-alpha-trypsin inhibitor heavy chain H2 (human) when measured in cerebrospinal fluid. The trait is level of inter-alpha-trypsin inhibitor heavy chain H2 (human) in cerebrospinal fluid (Ontology of Biological Attributes id OBA_2057318). Also known as: cerebrospinal fluid inter-alpha-trypsin inhibitor heavy chain H2 (human) amount.