{

"resourceType": "CodeSystem",
"id": "linkage-type",
"meta": {
  "lastUpdated": "2019-11-01T09:29:23.356+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:2.16.840.1.113883.4.642.4.315"
  }
],
"version": "4.0.1",
"name": "LinkageType",
"title": "LinkageType",
"status": "draft",
"experimental": false,
"date": "2019-11-01T09:29:23+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."
  }
]

}