The amount of a disintegrin and metalloproteinase domain-containing protein 9 (human) when measured in cerebrospinal fluid. The trait is level of disintegrin and metalloproteinase domain-containing protein 9 (human) in cerebrospinal fluid (OBA_2058685). Also known as: cerebrospinal fluid disintegrin and metalloproteinase domain-containing protein 9 (human) amount.