{
  "resourceType": "CodeSystem",
  "id": "ex-onsettype",
  "meta": {
    "lastUpdated": "2017-04-18T21:44:43.294+00:00",
    "profile": [
      "http://hl7.org/fhir/StructureDefinition/shareablecodesystem"
    ]
  },
  "text": {
    "status": "generated",
    "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\"><h2>Example Onset Type (Reason) Codes</h2><div><p>This value set includes example Onset Type codes which are used to identify the event for which the onset, starting date, is required.</p></div><p><b>Copyright Statement:</b> This is an example set.\r\n            </p><p>This code system http://hl7.org/fhir/ex-onsettype defines the following codes:</p><table class=\"codes\"><tr><td><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td>lxm\r\n                  <a name=\"ex-onsettype-lxm\"></a></td><td>Last Exam</td><td>Date of last examination.</td></tr><tr><td>sym\r\n                  <a name=\"ex-onsettype-sym\"></a></td><td>Start of Symptoms</td><td>Date when symptoms were first noticed..</td></tr><tr><td>lmn\r\n                  <a name=\"ex-onsettype-lmn\"></a></td><td>Last Menstruation</td><td>Start date of last menstruation.</td></tr></table></div>"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-ballot-status",
      "valueString": "Informative"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 0
    }
  ],
  "url": "http://hl7.org/fhir/ex-onsettype",
  "identifier": {
    "system": "urn:ietf:rfc:3986",
    "value": "urn:oid:2.16.840.1.113883.4.642.1.571"
  },
  "version": "3.0.1",
  "name": "Example Onset Type (Reason) Codes",
  "status": "draft",
  "experimental": true,
  "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."
    }
  ]
}