The amount of a multifunctional procollagen lysine hydroxylase and glycosyltransferase LH3 when measured in blood serum. The trait is level of multifunctional procollagen lysine hydroxylase and glycosyltransferase LH3 in blood serum (OBA_2042930). Also known as: blood serum multifunctional procollagen lysine hydroxylase and glycosyltransferase LH3 amount.