The amount of a beta-1,3-galactosyl-O-glycosyl-glycoprotein beta-1,6-N-acetylglucosaminyltransferase 4 (human) when measured in cerebrospinal fluid. The trait is OBA_2081400 (level of beta-1,3-galactosyl-O-glycosyl-glycoprotein beta-1,6-N-acetylglucosaminyltransferase 4 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid beta-1,3-galactosyl-O-glycosyl-glycoprotein beta-1,6-N-acetylglucosaminyltransferase 4 (human) amount.