preferred_name: Color of IgM > or = IgG: Positive, acute/current mononucleosis
preferred_name_lc: color of igm > or = igg: positive, acute/current mononucleosis
label: Color of IgM > or = IgG: Positive, acute/current mononucleosis
label_lc: color of igm > or = igg: positive, acute/current mononucleosis