Example of an order for anambulation procedure

{
  "resourceType" : "ServiceRequest",
  "id" : "ambulation",
  "identifier" : [{
    "value" : "45678"
  }],
  "basedOn" : [{
    "reference" : "CarePlan/preg",
    "display" : "Maternity care plan"
  }],
  "status" : "completed",
  "intent" : "order",
  "code" : {
    "concept" : {
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "62013009",
        "display" : "Ambulating patient (procedure)"
      }],
      "text" : "Ambulation"
    }
  },
  "subject" : {
    "reference" : "Patient/example"
  },
  "authoredOn" : "2017-03-05",
  "requester" : {
    "reference" : "Practitioner/3ad0687e-f477-468c-afd5-fcc2bf897809",
    "display" : "Dr. Beverly Crusher"
  },
  "reason" : [{
    "reference" : {
      "reference" : "Observation/blood-pressure",
      "display" : "Blood Pressure"
    }
  }]
}