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<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="pharmacy-core-infuseOver" />
  <url value="http://hl7.org/fhir/StructureDefinition/pharmacy-core-infuseOver" />
  <name value="The length of the infusion" />
  <display value="infuseOver" />
  <status value="draft" />
  <publisher value="Health Level Seven International (Pharmacy)" />
  <contact>
    <telecom>
      <system value="other" />
      <value value="http://www.hl7.org/Special/committees/medication" />
    </telecom>
  </contact>
  <date value="2015-02-21" />
  <description value="For infused medications, the length of time the infusion process, as a duration.  Note the difference between infuseOver and duration of treatment (specified in administrationFrequency). An order may call for infusing a patient TID for an hour each time over a duration of 5 days." />
  <fhirVersion value="1.0.2" />
  <kind value="datatype" />
  <constrainedType value="Extension" />
  <abstract value="false" />
  <contextType value="resource" />
  <context value="MedicationOrder.dosageInstruction" />
  <context value="MedicationDispense.dosageInstruction" />
  <base value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <snapshot>
    <element>
      <path value="Extension" />
      <short value="The length of the infusion" />
      <definition value="For infused medications, the length of time the infusion process, as a duration.  Note the difference between infuseOver and duration of treatment (specified in administrationFrequency). An order may call for infusing a patient TID for an hour each time over a duration of 5 days." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Extension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
    </element>
    <element>
      <path value="Extension.id" />
      <representation value="xmlAttr" />
      <short value="xml:id (or equivalent in JSON)" />
      <definition value="unique id for the element within a resource (for internal references)." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Extension.id" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="id" />
      </type>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element>
      <path value="Extension.extension" />
      <name value="extension" />
      <short value="Extension" />
      <definition value="An Extension" />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="Extension.extension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
    </element>
    <element>
      <path value="Extension.url" />
      <representation value="xmlAttr" />
      <short value="identifies the meaning of the extension" />
      <definition value="Source of the definition for the extension code - a logical name or a URL." />
      <comments value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition should be version specific.  This will ideally be the URI for the Resource Profile defining the extension, with the code for the extension after a #." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Extension.url" />
        <min value="1" />
        <max value="1" />
      </base>
      <type>
        <code value="uri" />
      </type>
      <fixedUri value="http://hl7.org/fhir/StructureDefinition/pharmacy-core-infuseOver" />
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="Extension.valueQuantity" />
      <short value="A length of time" />
      <definition value="There SHALL be a code if there is a value and it SHALL be an expression of time.  If system is present, it SHALL be UCUM." />
      <comments value="The context of use may frequently define what kind of quantity this is and therefore what kind of units can be used. The context of use may also restrict the values for the comparator." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Extension.value[x]" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Quantity" />
        <profile value="http://hl7.org/fhir/StructureDefinition/Duration" />
      </type>
      <constraint>
        <key value="qty-3" />
        <severity value="error" />
        <human value="If a code for the unit is present, the system SHALL also be present" />
        <xpath value="not(exists(f:code)) or exists(f:system)" />
      </constraint>
      <constraint>
        <key value="drt-1" />
        <severity value="error" />
        <human value="There SHALL be a code if there is a value and it SHALL be an expression of time.  If system is present, it SHALL be UCUM." />
        <xpath value="(f:code or not(f:value)) and (not(exists(f:system)) or f:system/@value='http://unitsofmeasure.org')" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="SN (see also Range) or CQ" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="PQ, IVL&lt;PQ&gt;, MO, CO, depending on the values" />
      </mapping>
    </element>
  </snapshot>
  <differential>
    <element>
      <path value="Extension" />
      <short value="The length of the infusion" />
      <definition value="For infused medications, the length of time the infusion process, as a duration.  Note the difference between infuseOver and duration of treatment (specified in administrationFrequency). An order may call for infusing a patient TID for an hour each time over a duration of 5 days." />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
      </type>
    </element>
    <element>
      <path value="Extension.extension" />
      <name value="extension" />
      <max value="0" />
    </element>
    <element>
      <path value="Extension.url" />
      <type>
        <code value="uri" />
      </type>
      <fixedUri value="http://hl7.org/fhir/StructureDefinition/pharmacy-core-infuseOver" />
    </element>
    <element>
      <path value="Extension.value[x]" />
      <min value="1" />
      <type>
        <code value="Quantity" />
        <profile value="http://hl7.org/fhir/StructureDefinition/Duration" />
      </type>
    </element>
  </differential>
</StructureDefinition>

name : The length of the infusion

{

}

<name value="The length of the infusion" />