The amount of a nicotinamide/nicotinic acid mononucleotide adenylyltransferase 1 (human) when measured in cerebrospinal fluid. The trait is level of nicotinamide/nicotinic acid mononucleotide adenylyltransferase 1 (human) in cerebrospinal fluid (OBA_2081052, an Ontology of Biological Attributes id). Also known as: cerebrospinal fluid nicotinamide/nicotinic acid mononucleotide adenylyltransferase 1 (human) amount.