{"resourceType":"CodeSystem","id":"ex-onsettype","text":{"status":"generated","div":"<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem ex-onsettype</b></p><a name=\"ex-onsettype\"> </a><a name=\"hcex-onsettype\"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/ex-onsettype</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\">lxm<a name=\"ex-onsettype-lxm\"> </a></td><td>Last Exam</td><td>Date of last examination.</td></tr><tr><td style=\"white-space:nowrap\">sym<a name=\"ex-onsettype-sym\"> </a></td><td>Start of Symptoms</td><td>Date when symptoms were first noticed.</td></tr><tr><td style=\"white-space:nowrap\">lmn<a name=\"ex-onsettype-lmn\"> </a></td><td>Last Menstruation</td><td>Start date of last menstruation.</td></tr></table></div>"},"extension":[{"extension":[{"url":"packageId","valueId":"hl7.fhir.uv.xver-r4.r5"},{"url":"version","valueString":"0.1.0"},{"url":"uri","valueUri":"http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4.r5"}],"url":"http://hl7.org/fhir/StructureDefinition/package-source"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-wg","valueCode":"fhir"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm","valueInteger":0,"_valueInteger":{"extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom","valueCanonical":"http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4.r5"}]}},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status","valueCode":"trial-use","_valueCode":{"extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom","valueCanonical":"http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4.r5"}]}}],"url":"http://hl7.org/fhir/ex-onsettype","version":"4.0.1","name":"ExampleOnsetType(Reason)Codes","title":"Example Onset Type (Reason) Codes","status":"draft","experimental":false,"date":"2026-03-20T13:38:33+11:00","publisher":"FHIR Infrastructure","contact":[{"name":"FHIR Infrastructure","telecom":[{"system":"url","value":"http://www.hl7.org/Special/committees/fiwg"}]}],"description":"This value set includes example Onset Type codes which are used to identify the event for which the onset, starting date, is required.","jurisdiction":[{"coding":[{"system":"http://unstats.un.org/unsd/methods/m49/m49.htm","code":"001","display":"World"}]}],"copyright":"This is an example set.","caseSensitive":true,"valueSet":"http://hl7.org/fhir/ValueSet/ex-onsettype","content":"complete","concept":[{"code":"lxm","display":"Last Exam","definition":"Date of last examination."},{"code":"sym","display":"Start of Symptoms","definition":"Date when symptoms were first noticed."},{"code":"lmn","display":"Last Menstruation","definition":"Start date of last menstruation."}]}