{"caseSensitive":true,"concept":[{"code":"always","definition":"initiator expects a response for this message.","display":"Always"},{"code":"on-error","definition":"initiator expects a response only if in error.","display":"Error/reject conditions only"},{"code":"never","definition":"initiator does not expect a response.","display":"Never"},{"code":"on-success","definition":"initiator expects a response only if successful.","display":"Successful completion only"}],"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":"HL7-defined table of codes which identify conditions under which acknowledgments are required to be returned in response to a message.","experimental":false,"extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-wg","valueCode":"inm"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status","valueCode":"normative"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm","valueInteger":1}],"id":"messageheader-response-request","identifier":[{"system":"urn:ietf:rfc:3986","value":"urn:oid:2.16.840.1.113883.4.642.4.925"},{"system":"urn:ietf:rfc:3986","use":"old","value":"urn:oid:2.16.840.1.113883.4.642.1.844"}],"jurisdiction":[{"coding":[{"code":"001","display":"World","system":"http://unstats.un.org/unsd/methods/m49/m49.htm"}]}],"meta":{"lastUpdated":"2026-04-01T17:59:15.240+00:00"},"name":"MessageheaderResponseRequest","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 messageheader-response-request</b></p><a name=\"messageheader-response-request\"> </a><a name=\"hcmessageheader-response-request\"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/messageheader-response-request</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\">always<a name=\"messageheader-response-request-always\"> </a></td><td>Always</td><td>initiator expects a response for this message.</td></tr><tr><td style=\"white-space:nowrap\">on-error<a name=\"messageheader-response-request-on-error\"> </a></td><td>Error/reject conditions only</td><td>initiator expects a response only if in error.</td></tr><tr><td style=\"white-space:nowrap\">never<a name=\"messageheader-response-request-never\"> </a></td><td>Never</td><td>initiator does not expect a response.</td></tr><tr><td style=\"white-space:nowrap\">on-success<a name=\"messageheader-response-request-on-success\"> </a></td><td>Successful completion only</td><td>initiator expects a response only if successful.</td></tr></table></div>","status":"generated"},"title":"messageheader-response-request","url":"http://hl7.org/fhir/messageheader-response-request","valueSet":"http://hl7.org/fhir/ValueSet/messageheader-response-request","version":"6.0.0-ballot4"}