The amount of a polypeptide N-acetylgalactosaminyltransferase 3 (human) when measured in cerebrospinal fluid. The trait is OBA_2058796 (level of polypeptide N-acetylgalactosaminyltransferase 3 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid polypeptide N-acetylgalactosaminyltransferase 3 (human) amount.