Liquid Medication - Phenytoin with link to prior prescription

{
  "resourceType" : "MedicationRequest",
  "id" : "medrx0312",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p><b>Generated Narrative: MedicationRequest</b><a name=\"medrx0312\"> </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 MedicationRequest &quot;medrx0312&quot; </p></div><p><b>identifier</b>: id: 12345689 (use: OFFICIAL)</p><p><b>priorPrescription</b>: <a href=\"medicationrequest0304.html\">MedicationRequest/medrx0304</a></p><p><b>status</b>: active</p><p><b>intent</b>: order</p><h3>Medications</h3><table class=\"grid\"><tr><td>-</td><td><b>Concept</b></td></tr><tr><td>*</td><td>Phenytoin 25mg/ml oral suspension <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/4.0.0/CodeSystem-v3-rxNorm.html\">RxNorm</a>#1313112)</span></td></tr></table><p><b>subject</b>: <a href=\"patient-example-a.html\">Patient/pat1: Donald Duck</a> &quot;Donald DUCK&quot;</p><p><b>authoredOn</b>: 2015-01-15</p><p><b>requester</b>: <a href=\"practitioner-example-f007-sh.html\">Practitioner/f007: Patrick Pump</a> &quot;Simone HEPS&quot;</p><h3>Reasons</h3><table class=\"grid\"><tr><td>-</td><td><b>Concept</b></td></tr><tr><td>*</td><td>Status epilepticus (disorder) <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"https://browser.ihtsdotools.org/\">SNOMED CT</a>#230456007)</span></td></tr></table><p><b>note</b>: Patient should be counselled to ensure good dental hygiene</p><blockquote><p><b>dose</b></p><blockquote><p><b>dosageInstruction</b></p><p><b>sequence</b>: 1</p><p><b>text</b>: 100mg (4ml) three times daily</p><p><b>timing</b>: 3 per 1 days</p><p><b>route</b>: Oral Route (qualifier value) <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"https://browser.ihtsdotools.org/\">SNOMED CT</a>#26643006)</span></p></blockquote></blockquote><blockquote><p><b>dispenseRequest</b></p><p><b>validityPeriod</b>: 2015-01-15 --&gt; 2016-01-15</p><p><b>numberOfRepeatsAllowed</b>: 3</p><p><b>quantity</b>: 360 mL<span style=\"background: LightGoldenRodYellow\"> (Details: UCUM code mL = 'mL')</span></p><h3>ExpectedSupplyDurations</h3><table class=\"grid\"><tr><td>-</td><td><b>Value</b></td><td><b>Unit</b></td><td><b>System</b></td><td><b>Code</b></td></tr><tr><td>*</td><td>30</td><td>days</td><td><a href=\"http://terminology.hl7.org/4.0.0/CodeSystem-v3-ucum.html\">Unified Code for Units of Measure (UCUM)</a></td><td>d</td></tr></table></blockquote><h3>Substitutions</h3><table class=\"grid\"><tr><td>-</td><td><b>Allowed[x]</b></td><td><b>Reason</b></td></tr><tr><td>*</td><td>true</td><td>Continuing therapy <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/4.0.0/CodeSystem-v3-ActReason.html\">ActReason</a>#CT)</span></td></tr></table></div>"
  },
  "identifier" : [{
    "use" : "official",
    "system" : "http://www.bmc.nl/portal/prescriptions",
    "value" : "12345689"
  }],
  "priorPrescription" : {
    "reference" : "MedicationRequest/medrx0304"
  },
  "status" : "active",
  "intent" : "order",
  "medication" : {
    "concept" : {
      "coding" : [{
        "system" : "http://www.nlm.nih.gov/research/umls/rxnorm",
        "code" : "1313112",
        "display" : "Phenytoin 25mg/ml oral suspension"
      }]
    }
  },
  "subject" : {
    "reference" : "Patient/pat1",
    "display" : "Donald Duck"
  },
  "authoredOn" : "2015-01-15",
  "requester" : {
    "reference" : "Practitioner/f007",
    "display" : "Patrick Pump"
  },
  "reason" : [{
    "concept" : {
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "230456007",
        "display" : "Status epilepticus (disorder)"
      }]
    }
  }],
  "note" : [{
    "text" : "Patient should be counselled to ensure good dental hygiene"
  }],
  "dose" : {
    "dosageInstruction" : [{
      "sequence" : 1,
      "text" : "100mg (4ml) three times daily",
      "timing" : {
        "repeat" : {
          "frequency" : 3,
          "period" : 1,
          "periodUnit" : "d"
        }
      },
      "route" : {
        "coding" : [{
          "system" : "http://snomed.info/sct",
          "code" : "26643006",
          "display" : "Oral Route (qualifier value)"
        }]
      },
      "doseAndRate" : [{
        "type" : {
          "coding" : [{
            "system" : "http://terminology.hl7.org/CodeSystem/dose-rate-type",
            "code" : "ordered",
            "display" : "Ordered"
          }]
        },
        "doseQuantity" : {
          "value" : 100,
          "unit" : "mg",
          "system" : "http://unitsofmeasure.org",
          "code" : "mg"
        }
      }]
    }]
  },
  "dispenseRequest" : {
    "validityPeriod" : {
      "start" : "2015-01-15",
      "end" : "2016-01-15"
    },
    "numberOfRepeatsAllowed" : 3,
    "quantity" : {
      "value" : 360,
      "unit" : "mL",
      "system" : "http://unitsofmeasure.org",
      "code" : "mL"
    },
    "expectedSupplyDuration" : {
      "value" : 30,
      "unit" : "days",
      "system" : "http://unitsofmeasure.org",
      "code" : "d"
    }
  },
  "substitution" : {
    "allowedBoolean" : true,
    "reason" : {
      "coding" : [{
        "system" : "http://terminology.hl7.org/CodeSystem/v3-ActReason",
        "code" : "CT",
        "display" : "Continuing therapy"
      }]
    }
  }
}