{"caseSensitive":true,"concept":[{"code":"not-supported","definition":"No support for conditional reads.","display":"Not Supported"},{"code":"modified-since","definition":"Conditional reads are supported, but only with the If-Modified-Since HTTP Header.","display":"If-Modified-Since"},{"code":"not-match","definition":"Conditional reads are supported, but only with the If-None-Match HTTP Header.","display":"If-None-Match"},{"code":"full-support","definition":"Conditional reads are supported, with both If-Modified-Since and If-None-Match HTTP Headers.","display":"Full Support"}],"contact":[{"telecom":[{"system":"url","value":"http://hl7.org/fhir"},{"system":"email","value":"fhir@lists.hl7.org"}]}],"content":"complete","date":"2021-01-05T10:01:24+11:00","description":"A code that indicates how the server supports conditional read.","experimental":false,"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}],"id":"conditional-read-status","identifier":[{"system":"urn:ietf:rfc:3986","value":"urn:oid:2.16.840.1.113883.4.642.4.201"},{"system":"urn:ietf:rfc:3986","use":"old","value":"urn:oid:2.16.840.1.113883.4.642.1.191"}],"jurisdiction":[{"coding":[{"code":"001","display":"World","system":"http://unstats.un.org/unsd/methods/m49/m49.htm"}]}],"meta":{"lastUpdated":"2026-03-16T22:59:53.445+00:00"},"name":"ConditionalReadStatus","publisher":"HL7 (FHIR Project)","resourceType":"CodeSystem","status":"active","text":{"div":"<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem conditional-read-status</b></p><a name=\"conditional-read-status\"> </a><a name=\"hcconditional-read-status\"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/conditional-read-status</code> defines the following codes:</p><table class=\"codes\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style=\"white-space:nowrap\">not-supported<a name=\"conditional-read-status-not-supported\"> </a></td><td>Not Supported</td><td>No support for conditional reads.</td></tr><tr><td style=\"white-space:nowrap\">modified-since<a name=\"conditional-read-status-modified-since\"> </a></td><td>If-Modified-Since</td><td>Conditional reads are supported, but only with the If-Modified-Since HTTP Header.</td></tr><tr><td style=\"white-space:nowrap\">not-match<a name=\"conditional-read-status-not-match\"> </a></td><td>If-None-Match</td><td>Conditional reads are supported, but only with the If-None-Match HTTP Header.</td></tr><tr><td style=\"white-space:nowrap\">full-support<a name=\"conditional-read-status-full-support\"> </a></td><td>Full Support</td><td>Conditional reads are supported, with both If-Modified-Since and If-None-Match HTTP Headers.</td></tr></table></div>","status":"generated"},"title":"Conditional Read Status","url":"http://hl7.org/fhir/conditional-read-status","valueSet":"http://hl7.org/fhir/ValueSet/conditional-read-status","version":"6.0.0-ballot4"}