{"caseSensitive":true,"concept":[{"code":"study-start","definition":"The time of enrollment for the study participant","display":"Study Start"},{"code":"treatment-start","definition":"The time of initiation of the treatment","display":"Start of Treatment"},{"code":"condition-detection","definition":"The time of first detection of the condition","display":"Detection of Condition"},{"code":"condition-treatment","definition":"The time of first treatment of the condition","display":"Treatment of Condition"},{"code":"hospital-admission","definition":"The time of admission to the hospital","display":"Hospital Admission"},{"code":"hospital-discharge","definition":"The time of discharge from the hospital","display":"Hospital Discharge"},{"code":"operative-procedure","definition":"The time of surgery","display":"Operative Procedure"}],"contact":[{"telecom":[{"system":"url","value":"http://hl7.org/fhir"},{"system":"email","value":"fhir@lists.hl7.org"}]},{"telecom":[{"system":"url","value":"http://www.hl7.org/Special/committees/dss"}]}],"content":"complete","date":"2021-01-05T10:01:24+11:00","description":"The event used as a base point (reference point) in time.","experimental":false,"extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-wg","valueCode":"cds"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status","valueCode":"normative"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm","valueInteger":5}],"id":"evidence-variable-event","identifier":[{"system":"urn:ietf:rfc:3986","value":"urn:oid:2.16.840.1.113883.4.642.4.1955"}],"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":"EvidenceVariableEvent","publisher":"HL7 International / Clinical Decision Support","resourceType":"CodeSystem","status":"active","text":{"div":"<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem evidence-variable-event</b></p><a name=\"evidence-variable-event\"> </a><a name=\"hcevidence-variable-event\"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/evidence-variable-event</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\">study-start<a name=\"evidence-variable-event-study-start\"> </a></td><td>Study Start</td><td>The time of enrollment for the study participant</td></tr><tr><td style=\"white-space:nowrap\">treatment-start<a name=\"evidence-variable-event-treatment-start\"> </a></td><td>Start of Treatment</td><td>The time of initiation of the treatment</td></tr><tr><td style=\"white-space:nowrap\">condition-detection<a name=\"evidence-variable-event-condition-detection\"> </a></td><td>Detection of Condition</td><td>The time of first detection of the condition</td></tr><tr><td style=\"white-space:nowrap\">condition-treatment<a name=\"evidence-variable-event-condition-treatment\"> </a></td><td>Treatment of Condition</td><td>The time of first treatment of the condition</td></tr><tr><td style=\"white-space:nowrap\">hospital-admission<a name=\"evidence-variable-event-hospital-admission\"> </a></td><td>Hospital Admission</td><td>The time of admission to the hospital</td></tr><tr><td style=\"white-space:nowrap\">hospital-discharge<a name=\"evidence-variable-event-hospital-discharge\"> </a></td><td>Hospital Discharge</td><td>The time of discharge from the hospital</td></tr><tr><td style=\"white-space:nowrap\">operative-procedure<a name=\"evidence-variable-event-operative-procedure\"> </a></td><td>Operative Procedure</td><td>The time of surgery</td></tr></table></div>","status":"generated"},"title":"Evidence Variable Event","url":"http://hl7.org/fhir/evidence-variable-event","valueSet":"http://hl7.org/fhir/ValueSet/evidence-variable-event","version":"6.0.0-ballot4"}