# Relationship (2.8.1 - 1.0.0) - HL7 v2.8.1 Vocabulary v0.2.0

* [**Table of Contents**](toc.md)
* [**Artifacts Summary**](artifacts.md)
* **Relationship (2.8.1 - 1.0.0)**

## CodeSystem: Relationship (2.8.1 - 1.0.0) (Experimental) 

| | |
| :--- | :--- |
| *Official URL*:http://terminology.hl7.org/v2plusvocab/CodeSystem/relationship | *Version*:1.0.0 |
| Active as of 2026-03-13 | *Computable Name*:Relationship |
| *Other Identifiers:*OID:2.16.840.1.113883.18.24, urn:ietf:rfc:3986#Uniform Resource Identifier (URI)#http://terminology.hl7.org/v2plusvocab/CodeSystem/v2-0063 | |
| **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](ValueSet-hl7VSrelationship.md)



## Resource Content

```json
{
  "resourceType" : "CodeSystem",
  "id" : "relationship",
  "extension" : [{
    "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-v2versionCreated",
    "valueString" : "2.8.1"
  },
  {
    "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-versionHistory",
    "valueString" : "generate correct history somehow"
  },
  {
    "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-tableNo",
    "valueString" : "0063"
  }],
  "url" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/relationship",
  "identifier" : [{
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.18.24"
  },
  {
    "system" : "urn:ietf:rfc:3986",
    "value" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/v2-0063"
  }],
  "version" : "1.0.0",
  "name" : "Relationship",
  "title" : "Relationship (2.8.1 - 1.0.0)",
  "status" : "active",
  "experimental" : true,
  "date" : "2026-03-13T11:11:38+00:00",
  "publisher" : "HL7/FO",
  "contact" : [{
    "name" : "HL7/FO",
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org"
    }]
  }],
  "description" : "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.",
  "copyright" : "HL7 Inc., 2026",
  "caseSensitive" : true,
  "compositional" : false,
  "content" : "complete",
  "property" : [{
    "code" : "versionIntroduced",
    "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionIntroduced",
    "description" : "version when was this code introduced",
    "type" : "string"
  },
  {
    "code" : "versionDeprecated",
    "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionDeprecated",
    "description" : "version when was this code deprecated",
    "type" : "string"
  },
  {
    "code" : "status",
    "uri" : "http://hl7.org/fhir/concept-properties#status",
    "description" : "A code that indicates the status of the concept. Typical values are active, experimental, deprecated, and retired",
    "type" : "code"
  },
  {
    "code" : "comment",
    "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#comment",
    "description" : "A string that provides additional detail pertinent to the use or understanding of the concept",
    "type" : "string"
  },
  {
    "code" : "usage",
    "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#usage",
    "description" : "usage notes for this code",
    "type" : "string"
  },
  {
    "code" : "modified",
    "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#modified",
    "description" : "date of last modification",
    "type" : "dateTime"
  }],
  "concept" : [{
    "code" : "ASC",
    "display" : "Associate",
    "definition" : "Associate",
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "BRO",
    "display" : "Brother",
    "definition" : "Brother",
    "designation" : [{
      "language" : "de",
      "value" : "Bruder"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "CGV",
    "display" : "Care giver",
    "definition" : "Care giver",
    "designation" : [{
      "language" : "de",
      "value" : "Pflegeeltern"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "CHD",
    "display" : "Child",
    "definition" : "Child",
    "designation" : [{
      "language" : "de",
      "value" : "Kind"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "DEP",
    "display" : "Handicapped dependent",
    "definition" : "Handicapped dependent",
    "designation" : [{
      "language" : "de",
      "value" : "Begleitperson für Hilfsbedürftige"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "DOM",
    "display" : "Life partner",
    "definition" : "Life partner",
    "designation" : [{
      "language" : "de",
      "value" : "Lebenspartner"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "EMC",
    "display" : "Emergency contact",
    "definition" : "Emergency contact",
    "designation" : [{
      "language" : "de",
      "value" : "Ansprechpartner in Notfällen"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "EME",
    "display" : "Employee",
    "definition" : "Employee",
    "designation" : [{
      "language" : "de",
      "value" : "Angestellter"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "EMR",
    "display" : "Employer",
    "definition" : "Employer",
    "designation" : [{
      "language" : "de",
      "value" : "Arbeitgeber"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "EXF",
    "display" : "Extended family",
    "definition" : "Extended family",
    "designation" : [{
      "language" : "de",
      "value" : "erweiterter Familienkreis"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "FCH",
    "display" : "Foster child",
    "definition" : "Foster child",
    "designation" : [{
      "language" : "de",
      "value" : "Pflegekind"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "FND",
    "display" : "Friend",
    "definition" : "Friend",
    "designation" : [{
      "language" : "de",
      "value" : "Freund"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "FTH",
    "display" : "Father",
    "definition" : "Father",
    "designation" : [{
      "language" : "de",
      "value" : "Vater"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "GCH",
    "display" : "Grandchild",
    "definition" : "Grandchild",
    "designation" : [{
      "language" : "de",
      "value" : "Enkel"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "GRD",
    "display" : "Guardian",
    "definition" : "Guardian",
    "designation" : [{
      "language" : "de",
      "value" : "Pate"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "GRP",
    "display" : "Grandparent",
    "definition" : "Grandparent",
    "designation" : [{
      "language" : "de",
      "value" : "Großeltern"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "MGR",
    "display" : "Manager",
    "definition" : "Manager",
    "designation" : [{
      "language" : "de",
      "value" : "Manager"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "MTH",
    "display" : "Mother",
    "definition" : "Mother",
    "designation" : [{
      "language" : "de",
      "value" : "Mutter"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "NCH",
    "display" : "Natural child",
    "definition" : "Natural child",
    "designation" : [{
      "language" : "de",
      "value" : "eigenes Kind"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "NON",
    "display" : "None",
    "definition" : "None",
    "designation" : [{
      "language" : "de",
      "value" : "keine"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "OAD",
    "display" : "Other adult",
    "definition" : "Other adult",
    "designation" : [{
      "language" : "de",
      "value" : "anderer Erwachsener"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "OTH",
    "display" : "Other",
    "definition" : "Other",
    "designation" : [{
      "language" : "de",
      "value" : "andere"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "OWN",
    "display" : "Owner",
    "definition" : "Owner",
    "designation" : [{
      "language" : "de",
      "value" : "Eigentümer"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "PAR",
    "display" : "Parent",
    "definition" : "Parent",
    "designation" : [{
      "language" : "de",
      "value" : "Eltern"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "SCH",
    "display" : "Stepchild",
    "definition" : "Stepchild",
    "designation" : [{
      "language" : "de",
      "value" : "Stiefkind"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "SEL",
    "display" : "Self",
    "definition" : "Self",
    "designation" : [{
      "language" : "de",
      "value" : "selbst"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "SIB",
    "display" : "Sibling",
    "definition" : "Sibling",
    "designation" : [{
      "language" : "de",
      "value" : "Geschwister"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "SIS",
    "display" : "Sister",
    "definition" : "Sister",
    "designation" : [{
      "language" : "de",
      "value" : "Schwester"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "SPO",
    "display" : "Spouse",
    "definition" : "Spouse",
    "designation" : [{
      "language" : "de",
      "value" : "Partner"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "TRA",
    "display" : "Trainer",
    "definition" : "Trainer",
    "designation" : [{
      "language" : "de",
      "value" : "Trainer"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "UNK",
    "display" : "Unknown",
    "definition" : "Unknown",
    "designation" : [{
      "language" : "de",
      "value" : "unbekannt"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "code" : "WRD",
    "display" : "Ward of court",
    "definition" : "Ward of court",
    "designation" : [{
      "language" : "de",
      "value" : "Vormund"
    }],
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  }]
}

```
