Message Acknowledgment (MSA) segment — HL7v2 v2.5.1.
Sent in response to a message to indicate receipt and processing status. 6 fields per HL7 v2.5.1 specification.
@type t() :: %HL7v2.Segment.MSA{ acknowledgment_code: term(), delayed_acknowledgment_type: term(), error_condition: term(), expected_sequence_number: term(), extra_fields: term(), message_control_id: term(), text_message: term() }