<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="abc393cc-ec09-473a-af96-74c1226cd508" />
  <meta>
    <lastUpdated value="2017-12-01T10:24:19.241+01:00" />
  </meta>
  <url value="http://devices.fhir.org/StructureDefinition/NumericDeviceMetric" />
  <name value="NumericDeviceMetric" />
  <title value="Numeric DeviceMetric Profile" />
  <status value="draft" />
  <date value="2017-10-25T11:15:58.793+02:00" />
  <description value="StructureDefinition for a Numeric DeviceMetric resource" />
  <fhirVersion value="3.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="DeviceMetric" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/DeviceMetric" />
  <derivation value="constraint" />
  <differential>
    <element id="DeviceMetric.type">
      <path value="DeviceMetric.type" />
      <short value="Numeric type" />
      <definition value="DeviceMetric.type shall have a coding from the ISO/IEEE 11073 MDC metrics nomenclature. The Rosetta Terminology Mapping Management System (RTMMS) lists available codes. DeviceMetric.type.coding allows additional coding from other code systems." />
    </element>
    <element id="DeviceMetric.type.coding">
      <path value="DeviceMetric.type.coding" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="system" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="1" />
    </element>
    <element id="DeviceMetric.type.coding:11073MDC">
      <path value="DeviceMetric.type.coding" />
      <sliceName value="11073MDC" />
      <short value="11073 MDC code" />
      <definition value="Code defined by the ISO/IEEE 11073-10101 Nomenclature" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="DeviceMetric.type.coding:11073MDC.system">
      <path value="DeviceMetric.type.coding.system" />
      <min value="1" />
      <fixedUri value="urn:iso:std:iso:11073:10101" />
    </element>
    <element id="DeviceMetric.type.coding:11073MDC.code">
      <path value="DeviceMetric.type.coding.code" />
      <min value="1" />
    </element>
    <element id="DeviceMetric.unit">
      <path value="DeviceMetric.unit" />
      <short value="Unit of measure" />
      <definition value="DeviceMetric.unit is optional. If present, it shall have a coding from the ISO/IEEE 11073 MDC units of measurement. DeviceMetric.unit.coding allows additional coding from other code systems." />
    </element>
    <element id="DeviceMetric.unit.coding">
      <path value="DeviceMetric.unit.coding" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="system" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="1" />
    </element>
    <element id="DeviceMetric.unit.coding:11073MDC">
      <path value="DeviceMetric.unit.coding" />
      <sliceName value="11073MDC" />
      <short value="11073 MDC code" />
      <definition value="Code defined by the ISO/IEEE 11073-10101 Nomenclature" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="DeviceMetric.unit.coding:11073MDC.system">
      <path value="DeviceMetric.unit.coding.system" />
      <min value="1" />
      <fixedUri value="urn:iso:std:iso:11073:10101" />
    </element>
    <element id="DeviceMetric.unit.coding:11073MDC.code">
      <path value="DeviceMetric.unit.coding.code" />
      <min value="1" />
    </element>
    <element id="DeviceMetric.source">
      <path value="DeviceMetric.source" />
      <definition value="DeviceMetric.source shall be present and refer to a Device resource according to the PoC Device profile." />
      <min value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://devices.fhir.org/StructureDefinition/PoCDevice" />
      </type>
    </element>
    <element id="DeviceMetric.parent">
      <path value="DeviceMetric.parent" />
      <definition value="DeviceMetric.parent shall be present and refer to the Channel DeviceComponent resource where this metric belongs to." />
      <min value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://devices.fhir.org/StructureDefinition/ChannelDeviceComponent" />
      </type>
    </element>
  </differential>
</StructureDefinition>