Request using Medication Code for Rectal Suppository - Acetaminophen - completed with reasonCode, dispenseRequest and substitution

{
  "resourceType" : "MedicationRequest",
  "id" : "medrx0324",
  "identifier" : [{
    "use" : "official",
    "system" : "http://www.bmc.nl/portal/prescriptions",
    "value" : "12345689"
  }],
  "status" : "completed",
  "intent" : "order",
  "medication" : {
    "concept" : {
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "322254008",
        "display" : "Acetaminophen 240 mg rectal suppository"
      }]
    }
  },
  "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" : "30242009",
        "display" : "Scarlet Fever (disorder)"
      }]
    }
  }],
  "dosageInstruction" : [{
    "sequence" : 1,
    "text" : "Insert one suppository rectally twice daily as needed for fever to a maximim of 3 per day",
    "additionalInstruction" : [{
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "418637003",
        "display" : "Do not take with any other paracetamol products (qualifier value)"
      }]
    }],
    "timing" : {
      "repeat" : {
        "frequency" : 2,
        "period" : 1,
        "periodUnit" : "d"
      }
    },
    "asNeededFor" : [{
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "386661006",
        "display" : "Fever (finding)"
      }]
    }],
    "doseAndRate" : [{
      "type" : {
        "coding" : [{
          "system" : "http://terminology.hl7.org/CodeSystem/dose-rate-type",
          "code" : "ordered",
          "display" : "Ordered"
        }]
      },
      "doseQuantity" : {
        "value" : 240,
        "unit" : "mg",
        "system" : "http://unitsofmeasure.org",
        "code" : "mg"
      }
    }],
    "maxDosePerPeriod" : [{
      "numerator" : {
        "value" : 720,
        "system" : "http://unitsofmeasure.org",
        "code" : "mg"
      },
      "denominator" : {
        "value" : 1,
        "system" : "http://unitsofmeasure.org",
        "code" : "d"
      }
    }]
  }],
  "dispenseRequest" : {
    "validityPeriod" : {
      "start" : "2015-01-15",
      "end" : "2016-01-15"
    },
    "numberOfRepeatsAllowed" : 3,
    "quantity" : {
      "value" : 30,
      "unit" : "RECSUPP",
      "system" : "http://terminology.hl7.org/CodeSystem/v3-orderableDrugForm",
      "code" : "RECSUPP"
    },
    "expectedSupplyDuration" : {
      "value" : 10,
      "unit" : "days",
      "system" : "http://unitsofmeasure.org",
      "code" : "d"
    }
  },
  "substitution" : {
    "allowedBoolean" : true,
    "reason" : {
      "coding" : [{
        "system" : "http://terminology.hl7.org/CodeSystem/v3-ActReason",
        "code" : "FP",
        "display" : "formulary policy"
      }]
    }
  }
}