An example of capturing whether the mother is trained to change her child's tracheostomy tube. In this example, the child is the patient of record and the mother is the focus.

{
  "resourceType" : "Observation",
  "id" : "trachcare",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p><b>Generated Narrative: Observation</b><a name=\"trachcare\"> </a></p><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\">Resource Observation &quot;trachcare&quot; </p></div><p><b>status</b>: final</p><p><b>category</b>: Exam <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/5.1.0/CodeSystem-observation-category.html\">Observation Category Codes</a>#exam)</span></p><p><b>code</b>: Tracheostomy care assessment (procedure) <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"https://browser.ihtsdotools.org/\">SNOMED CT</a>#410211008)</span></p><p><b>subject</b>: <a href=\"broken-link.html\">Patient/infant</a></p><p><b>focus</b>: <a href=\"patient-example-infant-mom.html\">Patient/infant-mom</a> &quot;Leia SOLO&quot;</p><p><b>effective</b>: 2018-03-11T16:07:54Z</p><p><b>value</b>: Mother is trained to change her child's tracheostomy tube</p></div>"
  },

  "status" : "final",
  "category" : [{
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/observation-category",
      "code" : "exam",
      "display" : "Exam"
    }],
    "text" : "Exam"
  }],
  "code" : {
    "coding" : [{
      "system" : "http://snomed.info/sct",
      "code" : "410211008",
      "display" : "Tracheostomy care assessment (procedure)"
    }]
  },
  "subject" : {
    "reference" : "Patient/infant"
  },
  "focus" : [{
    "reference" : "Patient/infant-mom"
  }],
  "effectiveDateTime" : "2018-03-11T16:07:54+00:00",
  "valueString" : "Mother is trained to change her child's tracheostomy tube"
}