The amount of a alpha-1,3/1,6-mannosyltransferase ALG2 (human) when measured in cerebrospinal fluid. The trait is OBA_2080990 (level of alpha-1,3/1,6-mannosyltransferase ALG2 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid alpha-1,3/1,6-mannosyltransferase ALG2 (human) amount.