Dispense for Azithromycin (RxNorm Code) - in-progress with coded additionalInstructions

{
  "resourceType": "MedicationDispense",
  "id": "meddisp0326",
  "text": {
    "status": "generated",
    "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p><b>Generated Narrative with Details</b></p><p><b>id</b>: meddisp0326</p><p><b>status</b>: in-progress</p><p><b>medication</b>: Azithromycin 500mg oral tablet (Zithromax) <span>(Details : {RxNorm code '226827' = '226827', given as 'Azithromycin 500mg oral tablet (Zithromax)'})</span></p><p><b>subject</b>: <a>Donald Duck</a></p><h3>Performers</h3><table><tr><td>-</td><td><b>Actor</b></td><td><b>OnBehalfOf</b></td></tr><tr><td>*</td><td><a>Practitioner/f006</a></td><td><a>Organization/2.16.840.1.113883.19.5</a></td></tr></table><p><b>authorizingPrescription</b>: <a>MedicationRequest/medrx0313</a></p><p><b>type</b>: trial Fill <span>(Details : {http://hl7.org/fhir/v3/ActCode code 'TF' = 'Trial Fill', given as 'trial Fill'})</span></p><p><b>quantity</b>: 5 TAB<span> (Details: UCUM code TAB = 'TAB')</span></p><p><b>daysSupply</b>: 5 Day<span> (Details: UCUM code d = 'd')</span></p><p><b>whenPrepared</b>: 15/01/2015 10:20:00 AM</p><p><b>dosageInstruction</b>: </p></div>"
  },
  "status": "in-progress",
  "medicationCodeableConcept": {
    "coding": [
      {
        "system": "http://www.nlm.nih.gov/research/umls/rxnorm",
        "code": "226827",
        "display": "Azithromycin 500mg oral tablet (Zithromax)"
      }
    ]

  "resourceType" : "MedicationDispense",
  "id" : "meddisp0326",
  "status" : "in-progress",
  "medication" : {
    "concept" : {
      "coding" : [{
        "system" : "http://www.nlm.nih.gov/research/umls/rxnorm",
        "code" : "226827",
        "display" : "azithromycin 500 MG Oral Tablet [Zithromax]"
      }]
    }

  },
  "subject": {
    "reference": "Patient/pat1",
    "display": "Donald Duck"

  "subject" : {
    "reference" : "Patient/pat1",
    "display" : "Donald Duck"

  },
  "performer": [
    {
      "actor": {
        "reference": "Practitioner/f006"
      },
      "onBehalfOf": {
        "reference": "Organization/2.16.840.1.113883.19.5"
      }
    }
  ],
  "authorizingPrescription": [
    {
      "reference": "MedicationRequest/medrx0313"

  "performer" : [{
    "actor" : {
      "reference" : "Practitioner/f006"

    }
  ],
  "type": {
    "coding": [
      {
        "system": "http://hl7.org/fhir/v3/ActCode",
        "code": "TF",
        "display": "trial Fill"
      }
    ]

  }],
  "authorizingPrescription" : [{
    "reference" : "MedicationRequest/medrx0313"
  }],
  "type" : {
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActCode",
      "code" : "TF",
      "display" : "trial Fill"
    }]

  },
  "quantity": {
    "value": 5,
    "system": "http://unitsofmeasure.org",
    "code": "TAB"

  "quantity" : {
    "value" : 5,
    "system" : "http://terminology.hl7.org/CodeSystem/v3-orderableDrugForm",
    "code" : "TAB"

  },
  "daysSupply": {
    "value": 5,
    "unit": "Day",
    "system": "http://unitsofmeasure.org",
    "code": "d"

  "daysSupply" : {
    "value" : 5,
    "unit" : "Day",
    "system" : "http://unitsofmeasure.org",
    "code" : "d"

  },
  "whenPrepared": "2015-01-15T10:20:00Z",
  "dosageInstruction": [
    {
      "sequence": 1,
      "text": "500mg daily for 5 days",
      "additionalInstruction": [
        {
          "coding": [
            {
              "system": "http://snomed.info/sct",
              "code": "421984009",
              "display": "Until finished - dosing instruction fragment (qualifier value)"
            }
          ]
        }
      ],
      "timing": {
        "repeat": {
          "frequency": 1,
          "period": 1,
          "periodUnit": "d"
        }
      },
      "route": {
        "coding": [
          {
            "system": "http://snomed.info/sct",
            "code": "26643006",
            "display": "Oral Route (qualifier value)"
          }
        ]

  "whenPrepared" : "2015-01-15T10:20:00Z",
  "dosageInstruction" : [{
    "sequence" : 1,
    "text" : "500mg daily for 5 days",
    "additionalInstruction" : [{
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "421984009",
        "display" : "Until finished - dosing instruction fragment (qualifier value)"
      }]
    }],
    "timing" : {
      "repeat" : {
        "frequency" : 1,
        "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": 500,
        "unit": "mg",
        "system": "http://unitsofmeasure.org",
        "code": "mg"

      "doseQuantity" : {
        "value" : 500,
        "unit" : "mg",
        "system" : "http://unitsofmeasure.org",
        "code" : "mg"

      }
    }
  ]

    }]
  }]

}