HL7 v2.5.1 Vocabulary
0.1.0 - ci-build

HL7 v2.5.1 Vocabulary, published by HL7/FO. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/frankoemig/hl7.v2.terminology.v251/ and changes regularly. See the Directory of published versions

## CodeSystem: Relationship (2.5.1 - 1.0.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/relationship | Version: 1.0.0
Active as of 2026-01-27 | Computable Name: Relationship
Other Identifiers: OID:2.16.840.1.113883.18.24
Copyright/Legal: HL7 Inc., 2026

HL7-defined code system of concepts specifying an actual personal relationship that the next of kin/associated party has to a patient. Used in HL7 Version 2.x messaging in the NK1 and IN1 segments.

This Code system is referenced in the content logical definition of the following value sets:

- Hl7VSrelationship

Properties

This code system defines the following properties for its concepts

Name | Code | URI | Type | Description
versionIntroduced | versionIntroduced | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionIntroduced | string | version when was this code introduced
versionDeprecated | versionDeprecated | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionDeprecated | string | version when was this code deprecated
status | status | http://hl7.org/fhir/concept-properties#status | code | A code that indicates the status of the concept. Typical values are active, experimental, deprecated, and retired
comment | comment | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#comment | string | A string that provides additional detail pertinent to the use or understanding of the concept
usage | usage | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#usage | string | usage notes for this code
modified | modified | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#modified | dateTime | date of last modification

Concepts

This case-sensitive code system `http://terminology.hl7.org/v2plusvocab/CodeSystem/relationship` defines the following codes:

Code | Display | Definition | versionIntroduced | Deutsch (German, de)
ASC | Associate | Associate | 2.4 |
BRO | Brother | Brother | 2.4 | Bruder
CGV | Care giver | Care giver | 2.4 | Pflegeeltern
CHD | Child | Child | 2.4 | Kind
DEP | Handicapped dependent | Handicapped dependent | 2.4 | Begleitperson für Hilfsbedürftige
DOM | Life partner | Life partner | 2.4 | Lebenspartner
EMC | Emergency contact | Emergency contact | 2.4 | Ansprechpartner in Notfällen
EME | Employee | Employee | 2.4 | Angestellter
EMR | Employer | Employer | 2.4 | Arbeitgeber
EXF | Extended family | Extended family | 2.4 | erweiterter Familienkreis
FCH | Foster child | Foster child | 2.4 | Pflegekind
FND | Friend | Friend | 2.4 | Freund
FTH | Father | Father | 2.4 | Vater
GCH | Grandchild | Grandchild | 2.4 | Enkel
GRD | Guardian | Guardian | 2.4 | Pate
GRP | Grandparent | Grandparent | 2.4 | Großeltern
MGR | Manager | Manager | 2.4 | Manager
MTH | Mother | Mother | 2.4 | Mutter
NCH | Natural child | Natural child | 2.4 | eigenes Kind
NON | None | None | 2.4 | keine
OAD | Other adult | Other adult | 2.4 | anderer Erwachsener
OTH | Other | Other | 2.4 | andere
OWN | Owner | Owner | 2.4 | Eigentümer
PAR | Parent | Parent | 2.4 | Eltern
SCH | Stepchild | Stepchild | 2.4 | Stiefkind
SEL | Self | Self | 2.4 | selbst
SIB | Sibling | Sibling | 2.4 | Geschwister
SIS | Sister | Sister | 2.4 | Schwester
SPO | Spouse | Spouse | 2.4 | Partner
TRA | Trainer | Trainer | 2.4 | Trainer
UNK | Unknown | Unknown | 2.4 | unbekannt
WRD | Ward of court | Ward of court | 2.4 | Vormund