The amount of a delta-aminolevulinic acid dehydratase (human) when measured in cerebrospinal fluid. The trait is Ontology of Biological Attributes term OBA_2057123 (level of delta-aminolevulinic acid dehydratase (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid delta-aminolevulinic acid dehydratase (human) amount.