Results/Update Definition (URD) segment -- HL7v2 v2.5.1.
Contains results/update definition information. 7 fields per HL7 v2.5.1 specification.
@type t() :: %HL7v2.Segment.URD{ extra_fields: term(), r_u_date_time: term(), r_u_display_print_locations: term(), r_u_results_level: term(), r_u_what_department_code: term(), r_u_what_subject_definition: term(), r_u_who_subject_definition: term(), report_priority: term() }