An example of a finding of second hand smoke exposure

{
  "resourceType" : "Observation",
  "id" : "secondsmoke",
  "status" : "final",
  "category" : [{
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/observation-category",
      "code" : "social-history",
      "display" : "Social History"
    }],
    "text" : "Social History"
  }],
  "code" : {
    "coding" : [{
      "system" : "http://loinc.org",
      "code" : "39243-1",
      "display" : "Second hand smoke exposure CPHS"
    },
    {
      "system" : "http://snomed.info/sct",
      "code" : "102409004",
      "display" : "Second hand cigarette smoke (substance)"
    }],
    "text" : "Second hand smoke exposure"
  },
  "subject" : {
    "reference" : "Patient/infant"
  },
  "effectiveDateTime" : "2016-05-18T22:33:22Z",
  "valueCodeableConcept" : {
    "coding" : [{
      "system" : "http://snomed.info/sct",
      "code" : "373066001",
      "display" : "Yes (qualifier value)"
    }],
    "text" : "YES"
  }
}