preferred_name: Delayed delivery of second twin, triplet, etc., unspecified as to episode of care or not applicable
preferred_name_lc: delayed delivery of second twin, triplet, etc., unspecified as to episode of care or not applicable
label: Delayed delivery of second twin, triplet, etc., unspecified as to episode of care
label_lc: delayed delivery of second twin, triplet, etc., unspecified as to episode of care