{
  "resourceType": "CodeSystem",
  "id": "conditional-read-status",
  "meta": {
    "lastUpdated": "2026-05-20T15:02:53.575+00:00"
  },
  "text": {
    "status": "generated",
    "div": "\u003cdiv xmlns\u003d\"http://www.w3.org/1999/xhtml\"\u003e\u003cp class\u003d\"res-header-id\"\u003e\u003cb\u003eGenerated Narrative: CodeSystem conditional-read-status\u003c/b\u003e\u003c/p\u003e\u003ca name\u003d\"conditional-read-status\"\u003e \u003c/a\u003e\u003ca name\u003d\"hcconditional-read-status\"\u003e \u003c/a\u003e\u003cp\u003eThis case-sensitive code system \u003ccode\u003ehttp://hl7.org/fhir/conditional-read-status\u003c/code\u003e defines the following codes:\u003c/p\u003e\u003ctable class\u003d\"codes\"\u003e\u003ctr\u003e\u003ctd style\u003d\"white-space:nowrap\"\u003e\u003cb\u003eCode\u003c/b\u003e\u003c/td\u003e\u003ctd\u003e\u003cb\u003eDisplay\u003c/b\u003e\u003c/td\u003e\u003ctd\u003e\u003cb\u003eDefinition\u003c/b\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd style\u003d\"white-space:nowrap\"\u003enot-supported\u003ca name\u003d\"conditional-read-status-not-supported\"\u003e \u003c/a\u003e\u003c/td\u003e\u003ctd\u003eNot Supported\u003c/td\u003e\u003ctd\u003eNo support for conditional reads.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd style\u003d\"white-space:nowrap\"\u003emodified-since\u003ca name\u003d\"conditional-read-status-modified-since\"\u003e \u003c/a\u003e\u003c/td\u003e\u003ctd\u003eIf-Modified-Since\u003c/td\u003e\u003ctd\u003eConditional reads are supported, but only with the If-Modified-Since HTTP Header.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd style\u003d\"white-space:nowrap\"\u003enot-match\u003ca name\u003d\"conditional-read-status-not-match\"\u003e \u003c/a\u003e\u003c/td\u003e\u003ctd\u003eIf-None-Match\u003c/td\u003e\u003ctd\u003eConditional reads are supported, but only with the If-None-Match HTTP Header.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd style\u003d\"white-space:nowrap\"\u003efull-support\u003ca name\u003d\"conditional-read-status-full-support\"\u003e \u003c/a\u003e\u003c/td\u003e\u003ctd\u003eFull Support\u003c/td\u003e\u003ctd\u003eConditional reads are supported, with both If-Modified-Since and If-None-Match HTTP Headers.\u003c/td\u003e\u003c/tr\u003e\u003c/table\u003e\u003c/div\u003e"
  },
  "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-fmm",
      "valueInteger": 5
    }
  ],
  "url": "http://hl7.org/fhir/conditional-read-status",
  "identifier": [
    {
      "system": "urn:ietf:rfc:3986",
      "value": "urn:oid:2.16.840.1.113883.4.642.4.201"
    },
    {
      "use": "old",
      "system": "urn:ietf:rfc:3986",
      "value": "urn:oid:2.16.840.1.113883.4.642.1.191"
    }
  ],
  "version": "6.0.0-ballot4",
  "name": "ConditionalReadStatus",
  "title": "Conditional Read Status",
  "status": "active",
  "experimental": false,
  "date": "2021-01-05T10:01:24+11:00",
  "publisher": "HL7 (FHIR Project)",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://hl7.org/fhir"
        },
        {
          "system": "email",
          "value": "fhir@lists.hl7.org"
        }
      ]
    }
  ],
  "description": "A code that indicates how the server supports conditional read.",
  "jurisdiction": [
    {
      "coding": [
        {
          "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code": "001",
          "display": "World"
        }
      ]
    }
  ],
  "caseSensitive": true,
  "valueSet": "http://hl7.org/fhir/ValueSet/conditional-read-status",
  "content": "complete",
  "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."
    }
  ]
}