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A list of segment (MSH, PID, etc) and sub-field names (MessageType, PatientIdentifierList, etc). Not exhaustive. Used with add_field_names(), which simply matches by names. Additional list objects are used for repetitive sub-field names, so far: coded_element, extended_telecommunication_number, and new ones included whenever the need arises. Coded Element (CE) field structure

Usage

coded_element

extended_telecommunication_number

segment_names

Format

An object of class character of length 6.

An object of class character of length 9.

An object of class list of length 23.

Functions

  • coded_element: A list of field names for coded element (CE) fields. Used by segment_names This is a recurring structure used to identify a value in one or possibly two different coding systems, e.g. a lab might transmit the same value in both their local coding and also the universal LOINC standard code. Described further at: http://www.hl7.eu/HL7v2x/v231/hl7v231typCE.htm

  • extended_telecommunication_number: A list of field names for Extended Telecommunication Number (XTN) fields. Used by segment_names

  • segment_names: The actual list of segment (MSH, PID, etc) and sub-field names (MessageType, PatientIdentifierList, etc), that calls upon other lists described here.