The amount of a hematopoietic progenitor cell antigen CD34 (human) when measured in cerebrospinal fluid. The trait is level of hematopoietic progenitor cell antigen CD34 (human) in cerebrospinal fluid (Ontology of Biological Attributes id OBA_2057564). Also known as: cerebrospinal fluid hematopoietic progenitor cell antigen CD34 (human) amount.