{
  "resourceType": "CodeSystem",
  "id": "group-measure",
  "meta": {
    "lastUpdated": "2019-11-01T09:29:23.356+11:00"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "cds"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode": "trial-use"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 0
    }
  ],
  "url": "http://hl7.org/fhir/group-measure",
  "identifier": [
    {
      "system": "urn:ietf:rfc:3986",
      "value": "urn:oid:2.16.840.1.113883.4.642.4.1346"
    }
  ],
  "version": "4.0.1",
  "name": "GroupMeasure",
  "title": "GroupMeasure",
  "status": "draft",
  "experimental": false,
  "date": "2019-11-01T09:29:23+11:00",
  "publisher": "HL7 (FHIR Project)",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://hl7.org/fhir"
        },
        {
          "system": "email",
          "value": "fhir@lists.hl7.org"
        }
      ]
    }
  ],
  "description": "Possible group measure aggregates (E.g. Mean, Median).",
  "caseSensitive": true,
  "valueSet": "http://hl7.org/fhir/ValueSet/group-measure",
  "content": "complete",
  "concept": [
    {
      "code": "mean",
      "display": "Mean",
      "definition": "Aggregated using Mean of participant values."
    },
    {
      "code": "median",
      "display": "Median",
      "definition": "Aggregated using Median of participant values."
    },
    {
      "code": "mean-of-mean",
      "display": "Mean of Study Means",
      "definition": "Aggregated using Mean of study mean values."
    },
    {
      "code": "mean-of-median",
      "display": "Mean of Study Medins",
      "definition": "Aggregated using Mean of study median values."
    },
    {
      "code": "median-of-mean",
      "display": "Median of Study Means",
      "definition": "Aggregated using Median of study mean values."
    },
    {
      "code": "median-of-median",
      "display": "Median of Study Medians",
      "definition": "Aggregated using Median of study median values."
    }
  ]
}