http://hl7.org/fhir/conditional-read-status|4.0.1

{
  "description" : "A code that indicates how the server supports conditional read.",
  "compose" : null,
  "package" : "hl7.fhir.r4.examples@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" : "ConditionalReadStatus",
  "experimental" : false,
  "resourceType" : "CodeSystem",
  "title" : "ConditionalReadStatus",
  "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" : "e672c730-8694-5bba-8bd1-a2dd70acb2ae",
  "valueSet" : "http://hl7.org/fhir/ValueSet/conditional-read-status",
  "url" : "http://hl7.org/fhir/conditional-read-status",
  "identifier" : [ {
    "value" : "urn:oid:2.16.840.1.113883.4.642.4.201",
    "system" : "urn:ietf:rfc:3986"
  } ],
  "concept" : [ {
    "code" : "not-supported",
    "display" : "Not Supported",
    "definition" : "No support for conditional reads."
  }, {
    "code" : "modified-since",
    "display" : "If-Modified-Since",
    "definition" : "Conditional reads are supported, but only with the If-Modified-Since HTTP Header."
  }, {
    "code" : "not-match",
    "display" : "If-None-Match",
    "definition" : "Conditional reads are supported, but only with the If-None-Match HTTP Header."
  }, {
    "code" : "full-support",
    "display" : "Full Support",
    "definition" : "Conditional reads are supported, with both If-Modified-Since and If-None-Match HTTP Headers."
  } ],
  "caseSensitive" : true,
  "version" : "4.0.1",
  "contact" : [ {
    "telecom" : [ {
      "value" : "http://hl7.org/fhir",
      "system" : "url"
    }, {
      "value" : "fhir@lists.hl7.org",
      "system" : "email"
    } ]
  } ]
}