Dispense for Intravenous Antibiotic with a Dosage Rate - Piperacillin (NDC code) - completed with a coded site and route of administration and a rate expressed as a ratio

{
  "resourceType" : "MedicationDispense",
  "id" : "meddisp0304",
  "contained" : [{
    "resourceType" : "Medication",
    "id" : "med0302",
    "code" : {
      "coding" : [{
        "system" : "http://hl7.org/fhir/sid/ndc",
        "code" : "0206-8862-02",
        "display" : "Zosyn in Galaxy Containers, 12 BAG in 1 BOX (0206-8862-02) > 100 mL in 1 BAG (0206-8862-01) (package)"
      }],
      "text" : "Zosyn (piperacillin/tazobactam) 4.5gm injection"
    }
  }],
  "status" : "completed",
  "medication" : {
    "reference" : {
      "reference" : "#med0302",
      "display" : "Zosyn (piperacillin/tazobactam) 4.5gm injection"
    }
  },
  "subject" : {
    "reference" : "Patient/pat1",
    "display" : "Donald Duck"
  },
  "performer" : [{
    "actor" : {
      "reference" : "Practitioner/f006"
    }
  }],
  "authorizingPrescription" : [{
    "reference" : "MedicationRequest/medrx0319"
  }],
  "type" : {
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActCode",
      "code" : "FF",
      "display" : "First Fill"
    }]
  },
  "quantity" : {
    "value" : 250,
    "system" : "http://unitsofmeasure.org",
    "code" : "mL"
  },
  "daysSupply" : {
    "value" : 1,
    "unit" : "Day",
    "system" : "http://unitsofmeasure.org",
    "code" : "d"
  },
  "whenPrepared" : "2015-06-25T07:13:00+05:00",
  "whenHandedOver" : "2015-06-26T07:13:00+05:00",
  "dosageInstruction" : {
    "simple" : {
      "text" : "4.5 grams in D5W 250 ml. IV every 6 hours. Infuse over 30 min at 8L/min",
      "timing" : {
        "repeat" : {
          "frequency" : 1,
          "period" : 6,
          "periodUnit" : "h"
        }
      },
      "site" : {
        "coding" : [{
          "system" : "http://snomed.info/sct",
          "code" : "255560000",
          "display" : "Intravenous"
        }]
      },
      "route" : {
        "coding" : [{
          "system" : "http://snomed.info/sct",
          "code" : "47625008",
          "display" : "An intravascular route that begins within a vein."
        }]
      },
      "doseAndRate" : [{
        "type" : {
          "coding" : [{
            "system" : "http://terminology.hl7.org/CodeSystem/dose-rate-type",
            "code" : "calculated",
            "display" : "Calculated"
          }]
        },
        "doseQuantity" : {
          "value" : 4.5,
          "system" : "http://unitsofmeasure.org",
          "code" : "g"
        },
        "rateRatio" : {
          "numerator" : {
            "value" : 8,
            "system" : "http://unitsofmeasure.org",
            "code" : "ml"
          },
          "denominator" : {
            "value" : 1,
            "system" : "http://unitsofmeasure.org",
            "code" : "min"
          }
        }
      }]
    }
  }
}