<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="pediatric-bmi-for-age" />
  <text>
    <status value="generated" />
    <div xmlns="http://www.w3.org/1999/xhtml">
      <table border="0" cellpadding="0" cellspacing="0" style="border: 0px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;">
        <tr style="border: 1px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;">
          <th style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">
            <a href="http://hl7.org/fhir/R4/formats.html#table" title="The logical name of the element">Name</a>
          </th>
          <th style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">
            <a href="http://hl7.org/fhir/R4/formats.html#table" title="Information about the use of the element">Flags</a>
          </th>
          <th style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">
            <a href="http://hl7.org/fhir/R4/formats.html#table" title="Minimum and Maximum # of times the the element can appear in the instance">Card.</a>
          </th>
          <th style="width: 100px" class="hierarchy">
            <a href="http://hl7.org/fhir/R4/formats.html#table" title="Reference to the type of the element">Type</a>
          </th>
          <th style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">
            <a href="http://hl7.org/fhir/R4/formats.html#table" title="Additional information about the element">Description &amp; Constraints</a>
            <span style="float: right">
              <a href="http://hl7.org/fhir/R4/formats.html#table" title="Legend for this format">
                <img src="http://hl7.org/fhir/R4/help16.png" alt="doco" style="background-color: inherit" />
              </a>
            </span>
          </th>
        </tr>
        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck1.png)" class="hierarchy">
            <img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="icon_element.gif" alt="." style="background-color: white; background-color: inherit" title="Element" class="hierarchy" />
            <a href="StructureDefinition-pediatric-bmi-for-age-definitions.html#Observation" title="This profile defines how to represent BMI percentile per age and sex for youth 2-20 observations in FHIR using a standard LOINC code and UCUM units of measure.">Observation</a>
            <a name="Observation"></a>
          </td>
          <td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy" />
          <td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">
            <span style="opacity: 0.4">0</span>
            <span style="opacity: 0.5">..</span>
            <span style="opacity: 0.4">*</span>
          </td>
          <td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy" />
          <td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy" />
        </tr>
        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7;">
          <td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck11.png)" class="hierarchy">
            <img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="icon_datatype.gif" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Data Type" class="hierarchy" />
            <a href="StructureDefinition-pediatric-bmi-for-age-definitions.html#Observation.code">code</a>
            <a name="Observation.code"></a>
          </td>
          <td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy" />
          <td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">
            <span style="opacity: 0.4">1</span>
            <span style="opacity: 0.5">..</span>
            <span style="opacity: 0.4">1</span>
          </td>
          <td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">
            <a href="http://hl7.org/fhir/R4/datatypes.html#CodeableConcept">CodeableConcept</a>
          </td>
          <td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">BMI percentile per age and sex for youth 2-20<br /><span style="font-weight:bold">Required Pattern: </span><span style="color: darkgreen">At least the following</span></td>
        </tr>
        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck101.png)" class="hierarchy">
            <img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="tbl_vline.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="tbl_vjoin_end.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="icon_fixed.gif" alt="." style="background-color: white; background-color: inherit" title="Fixed Value" class="hierarchy" />
            <a href="http://hl7.org/fhir/R4/datatypes-definitions.html#CodeableConcept.coding">coding</a>
          </td>
          <td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy" />
          <td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..*</td>
          <td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">
            <a href="http://hl7.org/fhir/R4/datatypes.html#Coding">Coding</a>
          </td>
          <td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Code defined by a terminology system<br /><span style="font-weight: bold">Fixed Value: </span><span style="color: darkgreen">(complex)</span></td>
        </tr>
        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7;">
          <td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck1010.png)" class="hierarchy">
            <img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="tbl_vline.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="icon_fixed.gif" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Fixed Value" class="hierarchy" />
            <a href="http://hl7.org/fhir/R4/datatypes-definitions.html#Coding.system">system</a>
          </td>
          <td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy" />
          <td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..1</td>
          <td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">
            <a href="http://hl7.org/fhir/R4/datatypes.html#uri">uri</a>
          </td>
          <td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Identity of the terminology system<br /><span style="font-weight: bold">Fixed Value: </span><a style="color: darkgreen" href="http://hl7.org/fhir/R4/loinc.html">http://loinc.org</a></td>
        </tr>
        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck1000.png)" class="hierarchy">
            <img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="tbl_vline.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="tbl_vjoin_end.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="icon_fixed.gif" alt="." style="background-color: white; background-color: inherit" title="Fixed Value" class="hierarchy" />
            <a href="http://hl7.org/fhir/R4/datatypes-definitions.html#Coding.code">code</a>
          </td>
          <td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy" />
          <td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..1</td>
          <td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">
            <a href="http://hl7.org/fhir/R4/datatypes.html#code">code</a>
          </td>
          <td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Symbol in syntax defined by the system<br /><span style="font-weight: bold">Fixed Value: </span><span style="color: darkgreen">59576-9</span></td>
        </tr>
        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7;">
          <td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck01.png)" class="hierarchy">
            <img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="tbl_vjoin_end.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="icon_element.gif" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Element" class="hierarchy" />
            <a href="StructureDefinition-pediatric-bmi-for-age-definitions.html#Observation.valueQuantity">valueQuantity</a>
            <a name="Observation.valueQuantity"></a>
          </td>
          <td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy" />
          <td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..1</td>
          <td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">
            <a style="opacity: 0.4" href="http://hl7.org/fhir/R4/datatypes.html#Quantity">Quantity</a>
          </td>
          <td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy" />
        </tr>
        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" class="hierarchy">
            <img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy" />
            <a href="StructureDefinition-pediatric-bmi-for-age-definitions.html#Observation.valueQuantity.value">value</a>
            <a name="Observation.valueQuantity.value"></a>
          </td>
          <td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">
            <span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element must be supported">S</span>
          </td>
          <td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..1</td>
          <td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">
            <a href="http://hl7.org/fhir/R4/datatypes.html#decimal">decimal</a>
          </td>
          <td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy" />
        </tr>
        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7;">
          <td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" class="hierarchy">
            <img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy" />
            <a href="StructureDefinition-pediatric-bmi-for-age-definitions.html#Observation.valueQuantity.unit">unit</a>
            <a name="Observation.valueQuantity.unit"></a>
          </td>
          <td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">
            <span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element must be supported">S</span>
          </td>
          <td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..1</td>
          <td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">
            <a href="http://hl7.org/fhir/R4/datatypes.html#string">string</a>
          </td>
          <td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy" />
        </tr>
        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" class="hierarchy">
            <img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy" />
            <a href="StructureDefinition-pediatric-bmi-for-age-definitions.html#Observation.valueQuantity.system">system</a>
            <a name="Observation.valueQuantity.system"></a>
          </td>
          <td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">
            <span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element must be supported">S</span>
          </td>
          <td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..1</td>
          <td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">
            <a href="http://hl7.org/fhir/R4/datatypes.html#uri">uri</a>
          </td>
          <td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">
            <span style="font-weight:bold">Fixed Value: </span>
            <a style="color: darkgreen" href="http://hl7.org/fhir/R4/ucum.html">http://unitsofmeasure.org</a>
          </td>
        </tr>
        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7;">
          <td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck000.png)" class="hierarchy">
            <img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="tbl_vjoin_end.png" alt="." style="background-color: inherit" class="hierarchy" />
            <img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy" />
            <a href="StructureDefinition-pediatric-bmi-for-age-definitions.html#Observation.valueQuantity.code">code</a>
            <a name="Observation.valueQuantity.code"></a>
          </td>
          <td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">
            <span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element must be supported">S</span>
          </td>
          <td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..1</td>
          <td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">
            <a href="http://hl7.org/fhir/R4/datatypes.html#code">code</a>
          </td>
          <td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Coded responses from the common UCUM units for vital signs value set.<br /><span style="font-weight:bold">Fixed Value: </span><span style="color: darkgreen">%</span></td>
        </tr>
        <tr>
          <td colspan="5" class="hierarchy">
            <br />
            <a href="http://hl7.org/fhir/R4/formats.html#table" title="Legend for this format">
              <img src="http://hl7.org/fhir/R4/help16.png" alt="doco" style="background-color: inherit" /> Documentation for this format</a>
          </td>
        </tr>
      </table>
    </div>
  </text>
  <url value="http://hl7.org/fhir/us/core/StructureDefinition/pediatric-bmi-for-age" />
  <version value="3.1.0" />
  <name value="USCorePediatricBMIforAgeObservationProfile" />
  <title value="US Core Pediatric BMI for Age Observation Profile" />
  <status value="active" />
  <experimental value="false" />
  <date value="2019-08-31T00:00:00+10:00" />
  <publisher value="HL7 US Realm Steering Committee" />
  <contact>
    <telecom>
      <system value="url" />
      <value value="http://www.healthit.gov" />
    </telecom>
  </contact>
  <description value="Defines constraints and extensions on the Observation resource for use in querying and retrieving pediatric BMI observations." />
  <jurisdiction>
    <coding>
      <system value="urn:iso:std:iso:3166" />
      <code value="US" />
      <display value="United States of America" />
    </coding>
  </jurisdiction>
  <fhirVersion value="4.0.1" />
  <mapping>
    <identity value="workflow" />
    <uri value="http://hl7.org/fhir/workflow" />
    <name value="Workflow Pattern" />
  </mapping>
  <mapping>
    <identity value="sct-concept" />
    <uri value="http://snomed.info/conceptdomain" />
    <name value="SNOMED CT Concept Domain Binding" />
  </mapping>
  <mapping>
    <identity value="v2" />
    <uri value="http://hl7.org/v2" />
    <name value="HL7 v2 Mapping" />
  </mapping>
  <mapping>
    <identity value="rim" />
    <uri value="http://hl7.org/v3" />
    <name value="RIM Mapping" />
  </mapping>
  <mapping>
    <identity value="w5" />
    <uri value="http://hl7.org/fhir/fivews" />
    <name value="FiveWs Pattern Mapping" />
  </mapping>
  <mapping>
    <identity value="sct-attr" />
    <uri value="http://snomed.org/attributebinding" />
    <name value="SNOMED CT Attribute Binding" />
  </mapping>
  <kind value="resource" />
  <abstract value="false" />
  <type value="Observation" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/vitalsigns" />
  <derivation value="constraint" />
  <snapshot />
  <differential>
    <element id="Observation">
      <path value="Observation" />
      <definition value="This profile defines how to represent BMI percentile per age and sex for youth 2-20 observations in FHIR using a standard LOINC code and UCUM units of measure." />
      <mustSupport value="false" />
    </element>
    <element id="Observation.code">
      <path value="Observation.code" />
      <short value="BMI percentile per age and sex for youth 2-20" />
      <comment value="additional codes that translate or map to this code are allowed.  For example a more granular LOINC code or code that is used locally in a system." />
      <alias value="Test" />
      <alias value="Name" />
      <type>
        <code value="CodeableConcept" />
      </type>
      <patternCodeableConcept>
        <coding>
          <system value="http://loinc.org" />
          <code value="59576-9" />
        </coding>
      </patternCodeableConcept>
      <mustSupport value="false" />
    </element>
    <element id="Observation.valueQuantity">
      <path value="Observation.valueQuantity" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="false" />
    </element>
    <element id="Observation.valueQuantity.value">
      <path value="Observation.valueQuantity.value" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="decimal" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.valueQuantity.unit">
      <path value="Observation.valueQuantity.unit" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="string" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.valueQuantity.system">
      <path value="Observation.valueQuantity.system" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="uri" />
      </type>
      <fixedUri value="http://unitsofmeasure.org" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.valueQuantity.code">
      <path value="Observation.valueQuantity.code" />
      <short value="Coded responses from the common UCUM units for vital signs value set." />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="code" />
      </type>
      <fixedCode value="%" />
      <mustSupport value="true" />
    </element>
  </differential>
</StructureDefinition>