Request for a medication that is intended to be given as a single, once only dose

{
  "resourceType" : "MedicationRequest",
  "id" : "medrx0332",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p><b>Generated Narrative: MedicationRequest</b><a name=\"medrx0332\"> </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;medrx0332&quot; </p></div><p><b>identifier</b>: id: 12345689 (use: OFFICIAL)</p><p><b>basedOn</b>: <a href=\"careplan-example-GPVisit.html\">CarePlan/gpvisit</a></p><p><b>groupIdentifier</b>: id: 983939393 (use: OFFICIAL)</p><p><b>status</b>: active</p><p><b>intent</b>: order</p><h3>Medications</h3><table class=\"grid\"><tr><td>-</td><td><b>Reference</b></td></tr><tr><td>*</td><td><span title=\"  Linked to a RESOURCE Medication  \"><a name=\"med03499\"> </a></span><blockquote><p/><p><a name=\"med03499\"> </a></p><p><b>code</b>: Ceftriaxone sodium 500mg powder for injection solution vial (product) <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"https://browser.ihtsdotools.org/\">SNOMED CT</a>#375860009)</span></p></blockquote></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>encounter</b>: <a href=\"encounter-example-f001-heart.html\">Encounter/f001: encounter who leads to this prescription</a></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><blockquote><p><b>dosageInstruction</b></p><p><b>sequence</b>: 1</p><p><b>text</b>: Administer 500mg IM as a single dose</p><p><b>timing</b>: Count 1 times, Once</p><p><b>route</b>: Intramuscular (qualifier value) <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"https://browser.ihtsdotools.org/\">SNOMED CT</a>#255559005)</span></p><blockquote><p><b>doseAndRate</b></p></blockquote></blockquote></div>"
  },
  "contained" : [{
    "resourceType" : "Medication",
    "id" : "med03499",
    "code" : {
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "375860009",
        "display" : "Ceftriaxone sodium 500mg powder for injection solution vial (product)"
      }]
    }
  }],
  "identifier" : [{
    "use" : "official",
    "system" : "http://www.bmc.nl/portal/prescriptions",
    "value" : "12345689"
  }],
  "basedOn" : [{
    "reference" : "CarePlan/gpvisit"
  }],
  "groupIdentifier" : {
    "use" : "official",
    "system" : "http://www.bmc.nl/portal/prescriptions",
    "value" : "983939393"
  },
  "status" : "active",
  "intent" : "order",
  "medication" : {
    "reference" : {
      "reference" : "#med03499"
    }
  },
  "subject" : {
    "reference" : "Patient/pat1",
    "display" : "Donald Duck"
  },
  "encounter" : {
    "reference" : "Encounter/f001",
    "display" : "encounter who leads to this prescription"
  },
  "authoredOn" : "2015-01-15",
  "requester" : {
    "reference" : "Practitioner/f007",
    "display" : "Patrick Pump"
  },
  "dosageInstruction" : [{
    "sequence" : 1,
    "text" : "Administer 500mg IM as a single dose",
    "timing" : {
      "repeat" : {
        "count" : 1
      }
    },
    "route" : {
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "255559005",
        "display" : "Intramuscular (qualifier value)"
      }]
    },
    "doseAndRate" : [{
      "type" : {
        "coding" : [{
          "system" : "http://terminology.hl7.org/CodeSystem/dose-rate-type",
          "code" : "ordered",
          "display" : "Ordered"
        }]
      },
      "doseQuantity" : {
        "value" : 500,
        "unit" : "mg",
        "system" : "http://unitsofmeasure.org",
        "code" : "mg"
      }
    }]
  }]
}