Appointment between 2 doctors to discuss MRI results

{
  "resourceType": "Appointment",
  "id": "2docs",
  "text": {
    "status": "generated",
    "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\">Brian MRI results discussion</div>"
  },
  "status": "booked",
  "serviceCategory": [
    {
      "coding": [
        {
          "system": "http://example.org/service-category",
          "code": "gp",
          "display": "General Practice"
        }
      ]
    }
  ],
  "serviceType": [
    {
      "concept": {
        "coding": [
          {
            "code": "52",
            "display": "General Discussion"
          }
        ]
      }
    }
  ],
  "specialty": [
    {
      "coding": [
        {
          "system": "http://snomed.info/sct",
          "code": "394814009",
          "display": "General practice"
        }
      ]
    }
  ],
  "appointmentType": {
    "coding": [
      {
        "system": "http://terminology.hl7.org/CodeSystem/v2-0276",
        "code": "WALKIN",
        "display": "A previously unscheduled walk-in visit"
      }
    ]
  },
  "description": "Discussion about Peter Chalmers MRI results",
  "supportingInformation": [
    {
      "reference": "DiagnosticReport/ultrasound"
    }
  ],
  "start": "2013-12-09T09:00:00Z",
  "end": "2013-12-09T11:00:00Z",
  "note": [
    {
      "text": "Clarify the results of the MRI to ensure context of test was correct"
    }
  ],
  "subject": {
    "reference": "Patient/example",
    "display": "Peter James Chalmers"
  },
  "participant": [
    {
      "actor": {
        "reference": "Practitioner/example",
        "display": "Dr Adam Careful"
      },
      "required": true,
      "status": "accepted"
    },
    {
      "actor": {
        "reference": "Practitioner/f202",
        "display": "Luigi Maas"
      },
      "required": true,
      "status": "accepted"
    }
  ]
}