The amount of a alpha-1,6-mannosylglycoprotein 6-beta-N-acetylglucosaminyltransferase A (human) when measured in cerebrospinal fluid. The trait is level of alpha-1,6-mannosylglycoprotein 6-beta-N-acetylglucosaminyltransferase A (human) in cerebrospinal fluid (OBA_2058573). Also known as: cerebrospinal fluid alpha-1,6-mannosylglycoprotein 6-beta-N-acetylglucosaminyltransferase A (human) amount.