http://hl7.org/fhir/reference-handling-policy|4.0.1

{
  "description" : "A set of flags that defines how references are supported.",
  "compose" : null,
  "package" : "hl7.fhir.r4.core@4.0.1",
  "date" : "2019-10-31T22:29:23Z",
  "meta" : {
    "lastUpdated" : "2019-11-01T09:29:23.356+11:00"
  },
  "publisher" : "HL7 (FHIR Project)",
  "content" : "complete",
  "name" : "ReferenceHandlingPolicy",
  "experimental" : false,
  "resourceType" : "CodeSystem",
  "title" : "ReferenceHandlingPolicy",
  "supliment" : null,
  "extension" : [ {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "fhir"
  }, {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "normative"
  }, {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
    "valueCode" : "4.0.0"
  }, {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 5
  } ],
  "status" : "active",
  "id" : "e9c6991d-4218-530c-9d5a-8f5f529255a5",
  "valueSet" : "http://hl7.org/fhir/ValueSet/reference-handling-policy",
  "url" : "http://hl7.org/fhir/reference-handling-policy",
  "identifier" : [ {
    "value" : "urn:oid:2.16.840.1.113883.4.642.4.203",
    "system" : "urn:ietf:rfc:3986"
  } ],
  "concept" : [ {
    "code" : "literal",
    "display" : "Literal References",
    "definition" : "The server supports and populates Literal references (i.e. using Reference.reference) where they are known (this code does not guarantee that all references are literal; see 'enforced')."
  }, {
    "code" : "logical",
    "display" : "Logical References",
    "definition" : "The server allows logical references (i.e. using Reference.identifier)."
  }, {
    "code" : "resolves",
    "display" : "Resolves References",
    "definition" : "The server will attempt to resolve logical references to literal references - i.e. converting Reference.identifier to Reference.reference (if resolution fails, the server may still accept resources; see logical)."
  }, {
    "code" : "enforced",
    "display" : "Reference Integrity Enforced",
    "definition" : "The server enforces that references have integrity - e.g. it ensures that references can always be resolved. This is typically the case for clinical record systems, but often not the case for middleware/proxy systems."
  }, {
    "code" : "local",
    "display" : "Local References Only",
    "definition" : "The server does not support references that point to other servers."
  } ],
  "caseSensitive" : true,
  "version" : "4.0.1",
  "contact" : [ {
    "telecom" : [ {
      "value" : "http://hl7.org/fhir",
      "system" : "url"
    }, {
      "value" : "fhir@lists.hl7.org",
      "system" : "email"
    } ]
  } ]
}