The amount of a pterin-4-alpha-carbinolamine dehydratase (human) when measured in cerebrospinal fluid. The trait is level of pterin-4-alpha-carbinolamine dehydratase (human) in cerebrospinal fluid (OBA_2058279, an Ontology of Biological Attributes term). Also known as: cerebrospinal fluid pterin-4-alpha-carbinolamine dehydratase (human) amount.