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NK1

HL7 v2.x segment, patient relatives and associated parties.

Definition

NK1 is repeatable: one segment per person or organization related to the patient. NK1-2 carries the name (XPN), NK1-3 the relationship (table 0063), NK1-4 the address and NK1-5 the phone. It follows PID in ADT messages.

Origin

Defined in Chapter 3 (Patient Administration) of the HL7 Version 2.x Standard, published by Health Level Seven International.

Example in context

NK1|1|JONES^BARBARA^K|SPO^Spouse^HL70063|123 MAIN ST^^ANYTOWN^CA^95014|(555)555-1212

  • PID — patient identification segment NK1 complements.
  • PV1 — visit segment of the same ADT message.

Last updated: June 20, 2026