FHIR IG Statistics: CodeSystem/visual-field-observations

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{
  "resourceType": "CodeSystem",
  "id": "visual-field-observations",
  "text": {
    "status": "generated",
    "div": "<!-- snip (see above) -->"
  },
  "url": "http://terminolgy.hl7.org/uv/eyecare/CodeSystem/visual-field-observations",
  "version": "0.1.0",
  "name": "OphthalmologyVisualFieldObservations",
  "title": "Visual field test parameter observations",
  "status": "draft",
  "date": "2021-08-07",
  "publisher": "HL7 International - Patient Care WG",
  "contact": [
    {
      "name": "HL7 International - Patient Care",
      "telecom": [
        {
          "system": "url",
          "value": "http://www.hl7.org/Special/committees/patientcare"
        }
      ]
    }
  ],
  "description": "Visual field observation additional codes",
  "jurisdiction": [
    {
      "coding": [
        {
          "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code": "001"
        }
      ]
    }
  ],
  "copyright": "HL7",
  "caseSensitive": true,
  "compositional": false,
  "versionNeeded": true,
  "content": "complete",
  "concept": [
    {
      "code": "400204",
      "display": "Fixation loss",
      "definition": "Fixation loss occurs when the patient reports seeing a stimulus that is presented in the predicted area of the physiologic blind spot"
    },
    {
      "code": "400202",
      "display": "False positive percent",
      "definition": "Percentage of false positive responses"
    },
    {
      "code": "400203",
      "display": "False negative percent",
      "definition": "Percentage of false negative reponses"
    },
    {
      "code": "400205",
      "display": "False positive ratio",
      "definition": "Ratio of false positive responses to total responses"
    },
    {
      "code": "400206",
      "display": "False negative ratio",
      "definition": "Ratio of false negative responses to total responses"
    }
  ]
}