Emergency transitioning into inpatient example

{
  "resourceType" : "Encounter",
  "id" : "emerg",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">Emergency visit that escalated into inpatient patient @example</div>"
  },
  "status" : "in-progress",
  "statusHistory" : [{
    "status" : "planned",
    "period" : {
      "start" : "2017-02-01T07:15:00+10:00",
      "end" : "2017-02-01T08:45:00+10:00"
    }
  },
  {
    "status" : "in-progress",
    "period" : {
      "start" : "2017-02-01T08:45:00+10:00",
      "end" : "2017-02-01T12:15:00+10:00"
    }
  },
  {
    "status" : "on-hold",
    "period" : {
      "start" : "2017-02-01T12:15:00+10:00",
      "end" : "2017-02-01T12:45:00+10:00"
    }
  },
  {
    "status" : "in-progress",
    "period" : {
      "start" : "2017-02-01T08:45:00+10:00"
    }
  }],
  "class" : [{
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActCode",
      "code" : "IMP",
      "display" : "inpatient encounter"
    }]
  }],
  "classHistory" : [{
    "class" : {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActCode",
      "code" : "EMER",
      "display" : "emergency"
    },
    "period" : {
      "start" : "2017-02-01T07:15:00+10:00",
      "end" : "2017-02-01T09:27:00+10:00"
    }
  },
  {
    "class" : {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActCode",
      "code" : "IMP",
      "display" : "inpatient encounter"
    },
    "period" : {
      "start" : "2017-02-01T09:27:00+10:00"
    }
  }],
  "subject" : {
    "reference" : "Patient/example"
  },
  "actualPeriod" : {
    "start" : "2017-02-01T07:15:00+10:00"
  },
  "admission" : {
    "admitSource" : {
      "coding" : [{
        "system" : "http://terminology.hl7.org/CodeSystem/admit-source",
        "code" : "emd",
        "display" : "From accident/emergency department"
      }]
    }
  },
  "location" : [{
    "location" : {
      "display" : "Emergency Waiting Room"
    },
    "status" : "active",
    "period" : {
      "start" : "2017-02-01T07:15:00+10:00",
      "end" : "2017-02-01T08:45:00+10:00"
    }
  },
  {
    "location" : {
      "display" : "Emergency"
    },
    "status" : "active",
    "period" : {
      "start" : "2017-02-01T08:45:00+10:00",
      "end" : "2017-02-01T09:27:00+10:00"
    }
  },
  {
    "location" : {
      "display" : "Ward 1, Room 42, Bed 1"
    },
    "status" : "active",
    "period" : {
      "start" : "2017-02-01T09:27:00+10:00",
      "end" : "2017-02-01T12:15:00+10:00"
    }
  },
  {
    "location" : {
      "display" : "Ward 1, Room 42, Bed 1"
    },
    "status" : "reserved",
    "period" : {
      "start" : "2017-02-01T12:15:00+10:00",
      "end" : "2017-02-01T12:45:00+10:00"
    }
  },
  {
    "location" : {
      "display" : "Ward 1, Room 42, Bed 1"
    },
    "status" : "active",
    "period" : {
      "start" : "2017-02-01T12:45:00+10:00"
    }
  }]
}