Definition for Code SystemDefinitionMethod

{
  "resourceType" : "CodeSystem",
  "id" : "definition-method",
  "meta" : {
    "lastUpdated" : "2025-11-01T03:09:06.156+00:00",
    "profile" : ["http://hl7.org/fhir/StructureDefinition/shareablecodesystem"]
  },
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem definition-method</b></p><a name=\"definition-method\"> </a><a name=\"hcdefinition-method\"> </a><div style=\"display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%\"><p style=\"margin-bottom: 0px\"/><p style=\"margin-bottom: 0px\">Profile: <a href=\"shareablecodesystem.html\">Shareable CodeSystem</a></p></div><p>This case-sensitive code system <code>http://hl7.org/fhir/definition-method</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\">systematic-assessment<a name=\"definition-method-systematic-assessment\"> </a></td><td>Systematic Assessment</td><td>Any method of routinely determining whether or not specific outcomes (e.g. adverse events) have occurred, for example through a standard questionnaire, regular investigator assessment, regular laboratory testing, or other method</td></tr><tr><td style=\"white-space:nowrap\">non-systematic-assessment<a name=\"definition-method-non-systematic-assessment\"> </a></td><td>Non-Systematic Assessment</td><td>Any non-systematic method for determining whether or not adverse events have occurred, such as self-reporting by participants or occasional assessment/testing</td></tr><tr><td style=\"white-space:nowrap\">mean<a name=\"definition-method-mean\"> </a></td><td>Mean</td><td>Aggregated using mean of observed values.</td></tr><tr><td style=\"white-space:nowrap\">median<a name=\"definition-method-median\"> </a></td><td>Median</td><td>Aggregated using median of observed values.</td></tr><tr><td style=\"white-space:nowrap\">mean-of-mean<a name=\"definition-method-mean-of-mean\"> </a></td><td>Mean of Means</td><td>Aggregated using mean of means (e.g. study mean values).</td></tr><tr><td style=\"white-space:nowrap\">mean-of-median<a name=\"definition-method-mean-of-median\"> </a></td><td>Mean of Medians</td><td>Aggregated using mean of medians (e.g. study median values).</td></tr><tr><td style=\"white-space:nowrap\">median-of-mean<a name=\"definition-method-median-of-mean\"> </a></td><td>Median of Means</td><td>Aggregated using median of means (e.g. study mean values).</td></tr><tr><td style=\"white-space:nowrap\">median-of-median<a name=\"definition-method-median-of-median\"> </a></td><td>Median of Medians</td><td>Aggregated using median of medians (e.g. study median values).</td></tr></table></div>"
  },
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "fhir"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "draft"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 1
  }],
  "url" : "http://hl7.org/fhir/definition-method",
  "identifier" : [{
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.4.642.4.1953"
  }],
  "version" : "6.0.0-ballot3",
  "name" : "DefinitionMethod",
  "title" : "Definition Method",
  "status" : "active",
  "experimental" : false,
  "date" : "2020-12-28T16:55:11+11:00",
  "publisher" : "HL7 (FHIR Project)",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    },
    {
      "system" : "email",
      "value" : "fhir@lists.hl7.org"
    }]
  }],
  "description" : "The method used to define, describe, or determine a characteristic value.",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "code" : "001",
      "display" : "World"
    }]
  }],
  "caseSensitive" : true,
  "valueSet" : "http://hl7.org/fhir/ValueSet/definition-method",
  "content" : "complete",
  "concept" : [{
    "code" : "systematic-assessment",
    "display" : "Systematic Assessment",
    "definition" : "Any method of routinely determining whether or not specific outcomes (e.g. adverse events) have occurred, for example through a standard questionnaire, regular investigator assessment, regular laboratory testing, or other method"
  },
  {
    "code" : "non-systematic-assessment",
    "display" : "Non-Systematic Assessment",
    "definition" : "Any non-systematic method for determining whether or not adverse events have occurred, such as self-reporting by participants or occasional assessment/testing"
  },
  {
    "code" : "mean",
    "display" : "Mean",
    "definition" : "Aggregated using mean of observed values."
  },
  {
    "code" : "median",
    "display" : "Median",
    "definition" : "Aggregated using median of observed values."
  },
  {
    "code" : "mean-of-mean",
    "display" : "Mean of Means",
    "definition" : "Aggregated using mean of means (e.g. study mean values)."
  },
  {
    "code" : "mean-of-median",
    "display" : "Mean of Medians",
    "definition" : "Aggregated using mean of medians (e.g. study median values)."
  },
  {
    "code" : "median-of-mean",
    "display" : "Median of Means",
    "definition" : "Aggregated using median of means (e.g. study mean values)."
  },
  {
    "code" : "median-of-median",
    "display" : "Median of Medians",
    "definition" : "Aggregated using median of medians (e.g. study median values)."
  }]
}