Extension-elementdefinition-allowedunits.xml

Units to use for measured value

<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="elementdefinition-allowedUnits"/>
  <url value="http://hl7.org/fhir/StructureDefinition/elementdefinition-allowedUnits"/>
  <name value="Units to use for measured value"/>
  <status value="draft"/>
  <publisher value="Health Level Seven, Inc. - FHIR Core WG"/>
  <contact>
    <telecom>
      <system value="other"/>
      <value value="http://hl7.org/special/committees/FHIR"/>
    </telecom>
  </contact>
  <date value="2015-02-28"/>
  <description value="Identifies the units of measure in which the element should be captured or expressed."/>
  <fhirVersion value="1.4.0"/>
  <mapping>
    <identity value="v2"/>
    <uri value="http://hl7.org/v2"/>
    <name value="HL7 v2"/>
  </mapping>
  <mapping>
    <identity value="rim"/>
    <uri value="http://hl7.org/v3"/>
    <name value="RIM"/>
  </mapping>
  <kind value="datatype"/>
  <abstract value="false"/>
  <contextType value="datatype"/>
  <context value="ElementDefinition"/>
  <baseType value="Extension"/>
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension"/>
  <derivation value="constraint"/>
  <snapshot>
    <element>
      <path value="Extension"/>
      <short value="Units to use for measured value"/>
      <definition value="Identifies the units of measure in which the element should be captured or expressed."/>
      <comments value="Use a value set if more than one unit of measure is possible.  Value sets will typically
       be short enough to display in a drop-down selection list."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <mapping>
        <identity value="v2"/>
        <map value="OM2.2"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
    </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="Element.id"/>
        <min value="0"/>
        <max value="*"/>
      </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="Element.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/elementdefinition-allowedUnits"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="Extension.value[x]"/>
      <short value="Value of extension"/>
      <definition value="Value of extension - may be a resource or one of a constrained set of the data types (see
       Extensibility in the spec for list)."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Extension.value[x]"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="CodeableConcept"/>
      </type>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/ValueSet"/>
      </type>
      <binding>
        <strength value="required"/>
        <description value="Units of measure allowed for an element"/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/uslab-units"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
  </snapshot>
  <differential>
    <element>
      <path value="Extension"/>
      <short value="Units to use for measured value"/>
      <definition value="Identifies the units of measure in which the element should be captured or expressed."/>
      <comments value="Use a value set if more than one unit of measure is possible.  Value sets will typically
       be short enough to display in a drop-down selection list."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="Extension"/>
      </type>
      <mapping>
        <identity value="v2"/>
        <map value="OM2.2"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
    </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/elementdefinition-allowedUnits"/>
    </element>
    <element>
      <path value="Extension.value[x]"/>
      <min value="1"/>
      <type>
        <code value="CodeableConcept"/>
      </type>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/ValueSet"/>
      </type>
      <binding>
        <strength value="required"/>
        <description value="Units of measure allowed for an element"/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/uslab-units"/>
        </valueSetReference>
      </binding>
    </element>
  </differential>
</StructureDefinition>