{"resourceType":"CodeSystem","id":"ex-onsettype","meta":{"lastUpdated":"2021-01-17T07:06:13.533+11:00","profile":["http://hl7.org/fhir/StructureDefinition/shareablecodesystem"]},"url":"http://hl7.org/fhir/ex-onsettype","identifier":[{"system":"urn:ietf:rfc:3986","value":"urn:oid:2.16.840.1.113883.4.642.4.579"}],"version":"4.0.1","name":"ExampleOnsetType(Reason)Codes","title":"Example Onset Type (Reason) Codes","status":"draft","experimental":false,"publisher":"Financial Management","contact":[{"telecom":[{"system":"url","value":"http://hl7.org/fhir"}]}],"description":"This value set includes example Onset Type codes which are used to identify the event for which the onset, starting date, is required.","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."}]}