{
  "resourceType": "CodeSystem",
  "id": "linkage-type",
  "meta": {
    "lastUpdated": "2018-12-27T22:37:54.724+11:00"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "pc"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode": "trial-use"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 0
    }
  ],
  "url": "http://hl7.org/fhir/linkage-type",
  "identifier": [
    {
      "system": "urn:ietf:rfc:3986",
      "value": "urn:oid:2.16.840.1.113883.4.642.1.315"
    }
  ],
  "version": "4.0.0",
  "name": "LinkageType",
  "title": "LinkageType",
  "status": "draft",
  "experimental": false,
  "date": "2018-12-27T22:37:54+11:00",
  "publisher": "HL7 (FHIR Project)",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://hl7.org/fhir"
        },
        {
          "system": "email",
          "value": "fhir@lists.hl7.org"
        }
      ]
    }
  ],
  "description": "Used to distinguish different roles a resource can play within a set of linked resources.",
  "caseSensitive": true,
  "valueSet": "http://hl7.org/fhir/ValueSet/linkage-type",
  "content": "complete",
  "concept": [
    {
      "code": "source",
      "display": "Source of Truth",
      "definition": "The resource represents the \"source of truth\" (from the perspective of this Linkage resource) for the underlying event/condition/etc."
    },
    {
      "code": "alternate",
      "display": "Alternate Record",
      "definition": "The resource represents an alternative view of the underlying event/condition/etc.  The resource may still be actively maintained, even though it is not considered to be the source of truth."
    },
    {
      "code": "historical",
      "display": "Historical/Obsolete Record",
      "definition": "The resource represents an obsolete record of the underlying event/condition/etc.  It is not expected to be actively maintained."
    }
  ]
}