Dispense for Oxycodone (RxNorm code) - PRN dose with dose range, coded additional instructions and PRN coded pre-condition

{
  "resourceType" : "MedicationDispense",
  "id" : "meddisp0303",
  "contained" : [{
    "resourceType" : "Medication",
    "id" : "med0310",
    "code" : {
      "coding" : [{
        "system" : "http://www.nlm.nih.gov/research/umls/rxnorm",
        "code" : "1049623",
        "display" : "oxycodone hydrochloride 5 MG Oral Tablet [Roxicodone]"
      }]
    }
  }],
  "partOf" : [{
    "reference" : "Procedure/biopsy"
  }],
  "status" : "on-hold",
  "notPerformedReason" : {
    "reference" : {
      "reference" : "DetectedIssue/allergy"
    }
  },
  "category" : [{
    "coding" : [{
      "system" : "http://terminology.hl7.org/fhir/CodeSystem/medicationdispense-category",
      "code" : "outpatient",
      "display" : "Outpatient"
    }]
  }],
  "medication" : {
    "reference" : {
      "reference" : "#med0310"
    }
  },
  "subject" : {
    "reference" : "Patient/pat1",
    "display" : "Donald Duck"
  },
  "encounter" : {
    "reference" : "Encounter/f001"
  },
  "performer" : [{
    "actor" : {
      "reference" : "Practitioner/f006"
    }
  }],
  "authorizingPrescription" : [{
    "reference" : "MedicationRequest/medrx0310"
  }],
  "type" : {
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActCode",
      "code" : "EM",
      "display" : "Emergency Supply"
    }]
  },
  "quantity" : {
    "value" : 30,
    "system" : "http://terminology.hl7.org/CodeSystem/v3-orderableDrugForm",
    "code" : "TAB"
  },
  "daysSupply" : {
    "value" : 10,
    "unit" : "Day",
    "system" : "http://unitsofmeasure.org",
    "code" : "d"
  },
  "whenPrepared" : "2016-04-15T07:14:00+05:00",
  "dosageInstruction" : [{
    "sequence" : 1,
    "text" : "one to two tablets every 4-6 hours as needed for rib pain",
    "additionalInstruction" : [{
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "418914006",
        "display" : "Warning. May cause drowsiness. If affected do not drive or operate machinery. Avoid alcoholic drink (qualifier value)"
      }]
    }],
    "timing" : {
      "repeat" : {
        "frequency" : 1,
        "period" : 4,
        "periodMax" : 6,
        "periodUnit" : "h"
      }
    },
    "asNeededFor" : [{
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "297217002",
        "display" : "Rib Pain (finding)"
      }]
    }],
    "route" : {
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "26643006",
        "display" : "Oral Route"
      }]
    },
    "method" : {
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "421521009",
        "display" : "Swallow - dosing instruction imperative (qualifier value)"
      }]
    }
  }]
}