Dispense for compounded ointment - completed with additionalInstructions as text and a coded site in dosageInstructions

{
  "resourceType" : "MedicationDispense",
  "id" : "meddisp0329",
  "contained" : [{
    "resourceType" : "Medication",
    "id" : "med0319",
    "doseForm" : {
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "385101003",
        "display" : "Ointment"
      }],
      "text" : "Ointment"
    },
    "ingredient" : [{
      "item" : {
        "concept" : {
          "coding" : [{
            "system" : "http://snomed.info/sct",
            "code" : "387253001",
            "display" : "Salicylic acid (substance)"
          }]
        }
      },
      "strengthRatio" : {
        "numerator" : {
          "value" : 5,
          "system" : "http://unitsofmeasure.org",
          "code" : "g"
        },
        "denominator" : {
          "value" : 100,
          "system" : "http://unitsofmeasure.org",
          "code" : "g"
        }
      }
    },
    {
      "item" : {
        "concept" : {
          "coding" : [{
            "system" : "http://snomed.info/sct",
            "code" : "396458002",
            "display" : "Hydrocortisone (substance)"
          }]
        }
      },
      "strengthRatio" : {
        "numerator" : {
          "value" : 1,
          "system" : "http://unitsofmeasure.org",
          "code" : "g"
        },
        "denominator" : {
          "value" : 100,
          "system" : "http://unitsofmeasure.org",
          "code" : "g"
        }
      }
    },
    {
      "item" : {
        "concept" : {
          "coding" : [{
            "system" : "http://snomed.info/sct",
            "code" : "126066007",
            "display" : "White petroleum (substance)"
          }]
        }
      },
      "strengthRatio" : {
        "numerator" : {
          "value" : 94,
          "system" : "http://unitsofmeasure.org",
          "code" : "g"
        },
        "denominator" : {
          "value" : 100,
          "system" : "http://unitsofmeasure.org",
          "code" : "g"
        }
      }
    }]
  }],
  "status" : "completed",
  "medication" : {
    "reference" : {
      "reference" : "#med0319"
    }
  },
  "subject" : {
    "reference" : "Patient/pat1",
    "display" : "Donald Duck"
  },
  "performer" : [{
    "actor" : {
      "reference" : "Practitioner/f006"
    }
  }],
  "authorizingPrescription" : [{
    "reference" : "MedicationRequest/medrx0329"
  }],
  "type" : {
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActCode",
      "code" : "RFP",
      "display" : "Refill - Part Fill"
    }]
  },
  "quantity" : {
    "value" : 30,
    "system" : "http://unitsofmeasure.org",
    "code" : "g"
  },
  "daysSupply" : {
    "value" : 10,
    "unit" : "Day",
    "system" : "http://unitsofmeasure.org",
    "code" : "d"
  },
  "recorded" : "2015-01-15T10:00:00Z",
  "whenPrepared" : "2015-01-15T10:20:00Z",
  "whenHandedOver" : "2015-01-15T16:20:00Z",
  "dosageInstruction" : [{
    "sequence" : 1,
    "text" : "Apply twice daily to affected area on left arm",
    "additionalInstruction" : [{
      "text" : "Apply sparingly"
    }],
    "timing" : {
      "repeat" : {
        "frequency" : 2,
        "period" : 1,
        "periodUnit" : "d"
      }
    },
    "site" : {
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "72098002",
        "display" : "Entire left upper arm (body structure)"
      }]
    },
    "route" : {
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "359540000",
        "display" : "Topical (qualifier value)"
      }]
    },
    "doseAndRate" : [{
      "type" : {
        "coding" : [{
          "system" : "http://terminology.hl7.org/CodeSystem/dose-rate-type",
          "code" : "ordered",
          "display" : "Ordered"
        }]
      },
      "doseQuantity" : {
        "value" : 1,
        "unit" : "ea",
        "system" : "http://terminology.hl7.org/CodeSystem/v3-orderableDrugForm",
        "code" : "OINT"
      }
    }]
  }]
}