Query Response Instance (QRI) segment -- HL7v2 v2.5.1.
Contains information about the confidence and matching of a query response.
3 fields per HL7 v2.5.1 specification.
@type t() :: %HL7v2.Segment.QRI{ algorithm_descriptor: term(), candidate_confidence: term(), extra_fields: term(), match_reason_code: term() }