LOINC – IVD Test Code (LIVD) Mapping
1.0.0 - STU 1

LOINC – IVD Test Code (LIVD) Mapping, published by HL7 International / Orders and Observations. This guide is not an authorized publication; it is the continuous build for version 1.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/livd/ and changes regularly. See the Directory of published versions

## Resource Profile: LIVDObservationDefinition - XML Profile

Page standards status: Trial-use | Maturity Level: 2

XML representation of the observationdefinition-uv-livd resource profile.

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    <StructureDefinition xmlns="http://hl7.org/fhir">
      <id value="observationdefinition-uv-livd"/>
      <text>
        <status value="extensions"/>
        <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: StructureDefinition observationdefinition-uv-livd</b></p><a name="observationdefinition-uv-livd"> </a><a name="hcobservationdefinition-uv-livd"> </a><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 : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="The logical name of the element">Name</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Information about the use of the element">Flags</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Minimum and Maximum # of times the element can appear in the instance">Card.</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px; width: 100px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Reference to the type of the element">Type</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Additional information about the element">Description &amp; Constraints</a><span style="float: right"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Legend for this format"><img src="data:image/png;base64, " 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 : var(--ig-left,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_resource.png" alt="." style="background-color: white; background-color: inherit" title="Resource" class="hierarchy"/> <a href="StructureDefinition-observationdefinition-uv-livd-definitions.html#ObservationDefinition">ObservationDefinition</a><a name="ObservationDefinition"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">0</span><span style="opacity: 0.5">..</span><span style="opacity: 0.5">*</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/observationdefinition.html">ObservationDefinition</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">LIVDObservationDefinition</td></tr>
    <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck13.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_extension_simple.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Simple Extension" class="hierarchy"/> <a href="StructureDefinition-observationdefinition-uv-livd-definitions.html#ObservationDefinition.extension">Slices for extension</a><a name="ObservationDefinition.extension"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..<span style="opacity: 0.5">*</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a style="opacity: 0.5; opacity: 0.5" href="http://hl7.org/fhir/R4/extensibility.html#Extension">Extension</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">Extension</span><br/><span style="font-weight:bold">Slice: </span>Unordered, Open by value:url</td></tr>
    <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck134.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_slicer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_slice_item.png" alt="." style="background-color: white; background-color: inherit" title="Slice Item" class="hierarchy"/> <a href="StructureDefinition-observationdefinition-uv-livd-definitions.html#ObservationDefinition.extension:ObservationDefinitionDevice" title="Extension URL = http://hl7.org/fhir/uv/livd/StructureDefinition/ext-device">extension:ObservationDefinitionDevice</a><a name="ObservationDefinition.extension.2"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/references.html">Reference</a>(<a href="StructureDefinition-devicedefinition-uv-livd.html">LIVDDeviceDefinition</a>)</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">LIVD Device</span><br/><span style="font-weight:bold">URL: </span><a href="StructureDefinition-ext-device.html">http://hl7.org/fhir/uv/livd/StructureDefinition/ext-device</a><br/></td></tr>
    <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck124.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_slicer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_slice_item.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Slice Item" class="hierarchy"/> <a href="StructureDefinition-observationdefinition-uv-livd-definitions.html#ObservationDefinition.extension:ObservationDefinitionVendorReferenceIdentifier" title="Extension URL = http://hl7.org/fhir/uv/livd/StructureDefinition/ext-vendorReferenceIdentifier">extension:ObservationDefinitionVendorReferenceIdentifier</a><a name="ObservationDefinition.extension.3"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..1</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#Identifier">Identifier</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">LIVD Vendor Reference Identifier</span><br/><span style="font-weight:bold">URL: </span><a href="StructureDefinition-ext-vendorReferenceIdentifier.html">http://hl7.org/fhir/uv/livd/StructureDefinition/ext-vendorReferenceIdentifier</a></td></tr>
    <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.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_element.gif" alt="." style="background-color: white; background-color: inherit" title="Element" class="hierarchy"/> <span style="text-decoration:line-through">category</span><a name="ObservationDefinition.category"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="text-decoration:line-through"/><span style="text-decoration:line-through">0</span><span style="text-decoration:line-through">..</span><span style="text-decoration:line-through">0</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.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_element.gif" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Element" class="hierarchy"/> <a href="StructureDefinition-observationdefinition-uv-livd-definitions.html#ObservationDefinition.code">code</a><a name="ObservationDefinition.code"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">1</span><span style="opacity: 0.5">..</span><span style="opacity: 0.5">1</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a style="opacity: 0.5; opacity: 0.5" href="http://hl7.org/fhir/R4/datatypes.html#CodeableConcept">CodeableConcept</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">Type of observation (code / type)</span></td></tr>
    <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.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_element.gif" alt="." style="background-color: white; background-color: inherit" title="Element" class="hierarchy"/> <a href="StructureDefinition-observationdefinition-uv-livd-definitions.html#ObservationDefinition.identifier">identifier</a><a name="ObservationDefinition.identifier"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">0</span><span style="opacity: 0.5">..</span><span style="opacity: 0.5">*</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a style="opacity: 0.5; opacity: 0.5" href="http://hl7.org/fhir/R4/datatypes.html#Identifier">Identifier</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">Business identifier for this ObservationDefinition instance</span></td></tr>
    <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.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_element.gif" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Element" class="hierarchy"/> <a href="StructureDefinition-observationdefinition-uv-livd-definitions.html#ObservationDefinition.permittedDataType" title="data type allowed for the result of the observation.">permittedDataType</a><a name="ObservationDefinition.permittedDataType"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">0</span>..1</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a style="opacity: 0.5; opacity: 0.5" href="http://hl7.org/fhir/R4/datatypes.html#code">code</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">Quantity | CodeableConcept | string | boolean | integer | Range | Ratio | SampledData | time | dateTime | Period</span></td></tr>
    <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.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_element.gif" alt="." style="background-color: white; background-color: inherit" title="Element" class="hierarchy"/> <span style="text-decoration:line-through" title="Multiple results allowed for this kind of observation.">multipleResultsAllowed</span><a name="ObservationDefinition.multipleResultsAllowed"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="text-decoration:line-through"/><span style="text-decoration:line-through">0</span><span style="text-decoration:line-through">..</span><span style="text-decoration:line-through">0</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.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_element.gif" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Element" class="hierarchy"/> <a href="StructureDefinition-observationdefinition-uv-livd-definitions.html#ObservationDefinition.method">method</a><a name="ObservationDefinition.method"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">0</span><span style="opacity: 0.5">..</span><span style="opacity: 0.5">1</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a style="opacity: 0.5; opacity: 0.5" href="http://hl7.org/fhir/R4/datatypes.html#CodeableConcept">CodeableConcept</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">Method used to produce the observation</span></td></tr>
    <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.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_element.gif" alt="." style="background-color: white; background-color: inherit" title="Element" class="hierarchy"/> <span style="text-decoration:line-through" title="The preferred name to be used when reporting the results of this observation.">preferredReportName</span><a name="ObservationDefinition.preferredReportName"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="text-decoration:line-through"/><span style="text-decoration:line-through">0</span><span style="text-decoration:line-through">..</span><span style="text-decoration:line-through">0</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,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_element.gif" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Element" class="hierarchy"/> <a href="StructureDefinition-observationdefinition-uv-livd-definitions.html#ObservationDefinition.quantitativeDetails">quantitativeDetails</a><a name="ObservationDefinition.quantitativeDetails"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">0</span><span style="opacity: 0.5">..</span><span style="opacity: 0.5">1</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a style="opacity: 0.5; opacity: 0.5" href="http://hl7.org/fhir/R4/datatypes.html#BackboneElement">BackboneElement</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">Characteristics of quantitative results</span></td></tr>
    <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck110.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.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-observationdefinition-uv-livd-definitions.html#ObservationDefinition.quantitativeDetails.customaryUnit" title="Customary unit used to report quantitative results of this observation.">customaryUnit</a><a name="ObservationDefinition.quantitativeDetails.customaryUnit"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">0</span><span style="opacity: 0.5">..</span><span style="opacity: 0.5">1</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a style="opacity: 0.5; opacity: 0.5" href="http://hl7.org/fhir/R4/datatypes.html#CodeableConcept">CodeableConcept</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">Customary unit for quantitative results</span></td></tr>
    <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck110.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.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-observationdefinition-uv-livd-definitions.html#ObservationDefinition.quantitativeDetails.unit" title="SI unit used to report quantitative results of this observation.">unit</a><a name="ObservationDefinition.quantitativeDetails.unit"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">0</span><span style="opacity: 0.5">..</span><span style="opacity: 0.5">1</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a style="opacity: 0.5; opacity: 0.5" href="http://hl7.org/fhir/R4/datatypes.html#CodeableConcept">CodeableConcept</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">SI unit for quantitative results</span></td></tr>
    <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck110.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.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-observationdefinition-uv-livd-definitions.html#ObservationDefinition.quantitativeDetails.conversionFactor">conversionFactor</a><a name="ObservationDefinition.quantitativeDetails.conversionFactor"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">0</span><span style="opacity: 0.5">..</span><span style="opacity: 0.5">1</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a style="opacity: 0.5; opacity: 0.5" href="http://hl7.org/fhir/R4/datatypes.html#decimal">decimal</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">SI unit to customary unit conversion factor</td></tr>
    <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck100.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_element.gif" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Element" class="hierarchy"/> <a href="StructureDefinition-observationdefinition-uv-livd-definitions.html#ObservationDefinition.quantitativeDetails.decimalPrecision" title="number of digits after decimal separator when the results of this observation are of type Quantity.">decimalPrecision</a><a name="ObservationDefinition.quantitativeDetails.decimalPrecision"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">0</span><span style="opacity: 0.5">..</span><span style="opacity: 0.5">1</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a style="opacity: 0.5; opacity: 0.5" href="http://hl7.org/fhir/R4/datatypes.html#integer">integer</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">Decimal precision of observation quantitative results</span></td></tr>
    <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.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_element.gif" alt="." style="background-color: white; background-color: inherit" title="Element" class="hierarchy"/> <span style="text-decoration:line-through" title="Reference range for ordinal and continuous observations.">qualifiedInterval</span><a name="ObservationDefinition.qualifiedInterval"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="text-decoration:line-through"/><span style="text-decoration:line-through">0</span><span style="text-decoration:line-through">..</span><span style="text-decoration:line-through">0</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.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_element.gif" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Element" class="hierarchy"/> <a href="StructureDefinition-observationdefinition-uv-livd-definitions.html#ObservationDefinition.validCodedValueSet" title="The set of valid coded results for the observation.">validCodedValueSet</a><a name="ObservationDefinition.validCodedValueSet"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">0</span><span style="opacity: 0.5">..</span><span style="opacity: 0.5">1</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/references.html">Reference</a>(<a style="opacity: 0.5; opacity: 0.5" href="http://hl7.org/fhir/R4/valueset.html">ValueSet</a>)</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">Value set of valid coded values for the observations conforming to this ObservationDefinition</span></td></tr>
    <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.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_element.gif" alt="." style="background-color: white; background-color: inherit" title="Element" class="hierarchy"/> <span style="text-decoration:line-through" title="The set of normal coded results for the observation.">normalCodedValueSet</span><a name="ObservationDefinition.normalCodedValueSet"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="text-decoration:line-through"/><span style="text-decoration:line-through">0</span><span style="text-decoration:line-through">..</span><span style="text-decoration:line-through">0</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.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_element.gif" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Element" class="hierarchy"/> <span style="text-decoration:line-through" title="The set of abnormal coded results for the observation.">abnormalCodedValueSet</span><a name="ObservationDefinition.abnormalCodedValueSet"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="text-decoration:line-through"/><span style="text-decoration:line-through">0</span><span style="text-decoration:line-through">..</span><span style="text-decoration:line-through">0</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck00.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: white; background-color: inherit" title="Element" class="hierarchy"/> <span style="text-decoration:line-through" title="The set of critical coded results for the observation.">criticalCodedValueSet</span><a name="ObservationDefinition.criticalCodedValueSet"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="text-decoration:line-through"/><span style="text-decoration:line-through">0</span><span style="text-decoration:line-through">..</span><span style="text-decoration:line-through">0</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/></tr>
    <tr><td colspan="5" class="hierarchy"><br/><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Legend for this format"><img src="data:image/png;base64, " alt="doco" style="background-color: inherit"/> Documentation for this format</a></td></tr></table></div>
      </text>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
        <valueCode value="oo"/>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
        <valueInteger value="2">
          <extension
                     url="http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom">
            <valueCanonical
                            value="http://hl7.org/fhir/uv/livd/ImplementationGuide/hl7.fhir.uv.livd"/>
          </extension>
        </valueInteger>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
        <valueCode value="trial-use">
          <extension
                     url="http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom">
            <valueCanonical
                            value="http://hl7.org/fhir/uv/livd/ImplementationGuide/hl7.fhir.uv.livd"/>
          </extension>
        </valueCode>
      </extension>
      <url
           value="http://hl7.org/fhir/uv/livd/StructureDefinition/observationdefinition-uv-livd"/>
      <identifier>
        <system value="urn:ietf:rfc:3986"/>
        <value value="urn:oid:2.16.840.1.113883.4.642.40.51.42.9"/>
      </identifier>
      <version value="1.0.0"/>
      <name value="LIVDObservationDefinition"/>
      <title value="LIVDObservationDefinition"/>
      <status value="active"/>
      <experimental value="false"/>
      <date value="2018-08-14"/>
      <publisher value="HL7 International / Orders and Observations"/>
      <contact>
        <telecom>
          <system value="url"/>
          <value value="http://www.hl7.org/Special/committees/orders"/>
        </telecom>
      </contact>
      <description
                   value="Profile on the ObservationDefinition resource for representing the analytes that can be measured by the included devices for which the test codes and applicable result values are mapped."/>
      <jurisdiction>
        <coding>
          <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
          <code value="001"/>
        </coding>
      </jurisdiction>
      <fhirVersion value="4.0.1"/>
      <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>
      <kind value="resource"/>
      <abstract value="false"/>
      <type value="ObservationDefinition"/>
      <baseDefinition
                      value="http://hl7.org/fhir/StructureDefinition/ObservationDefinition"/>
      <derivation value="constraint"/>
      <snapshot>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version">
          <valueString value="4.0.1"/>
        </extension>
        <element id="ObservationDefinition">
          <path value="ObservationDefinition"/>
          <short value="LIVDObservationDefinition"/>
          <definition
                      value="Set of definitional characteristics for a kind of observation or measurement produced or consumed by an orderable health care service."/>
          <comment
                   value="An instance of this resource informs the consumer of a health-related service (such as a lab diagnostic test or panel) about how the observations used or produced by this service will look like."/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="ObservationDefinition"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <constraint>
            <key value="dom-2"/>
            <severity value="error"/>
            <human
                   value="If the resource is contained in another resource, it SHALL NOT contain nested Resources"/>
            <expression value="contained.contained.empty()"/>
            <xpath value="not(parent::f:contained and f:contained)"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/DomainResource"/>
          </constraint>
          <constraint>
            <key value="dom-3"/>
            <severity value="error"/>
            <human
                   value="If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource"/>
            <expression
                        value="contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()"/>
            <xpath
                   value="not(exists(for $id in f:contained/*/f:id/@value return $contained[not(parent::*/descendant::f:reference/@value=concat('#', $contained/*/id/@value) or descendant::f:reference[@value='#'])]))"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/DomainResource"/>
          </constraint>
          <constraint>
            <key value="dom-4"/>
            <severity value="error"/>
            <human
                   value="If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated"/>
            <expression
                        value="contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()"/>
            <xpath
                   value="not(exists(f:contained/*/f:meta/f:versionId)) and not(exists(f:contained/*/f:meta/f:lastUpdated))"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/DomainResource"/>
          </constraint>
          <constraint>
            <key value="dom-5"/>
            <severity value="error"/>
            <human
                   value="If a resource is contained in another resource, it SHALL NOT have a security label"/>
            <expression value="contained.meta.security.empty()"/>
            <xpath value="not(exists(f:contained/*/f:meta/f:security))"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/DomainResource"/>
          </constraint>
          <constraint>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice">
              <valueBoolean value="true"/>
            </extension>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation">
              <valueMarkdown
                             value="When a resource has no narrative, only systems that fully understand the data can display the resource to a human safely. Including a human readable representation in the resource makes for a much more robust eco-system and cheaper handling of resources by intermediary systems. Some ecosystems restrict distribution of resources to only those systems that do fully understand the resources, and as a consequence implementers may believe that the narrative is superfluous. However experience shows that such eco-systems often open up to new participants over time."/>
            </extension>
            <key value="dom-6"/>
            <severity value="warning"/>
            <human
                   value="A resource should have narrative for robust management"/>
            <expression value="text.`div`.exists()"/>
            <xpath value="exists(f:text/h:div)"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/DomainResource"/>
          </constraint>
          <mustSupport value="false"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="rim"/>
            <map value="Entity. Role, or Act"/>
          </mapping>
          <mapping>
            <identity value="v2"/>
            <map value="OM2
    OM3
    OMC"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map value="Observation[classCode=OBS, moodCode=DEF]"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.id">
          <path value="ObservationDefinition.id"/>
          <short value="Logical id of this artifact"/>
          <definition
                      value="The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes."/>
          <comment
                   value="The only time that a resource does not have an id is when it is being submitted to the server using a create operation."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Resource.id"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
              <valueUrl value="id"/>
            </extension>
            <code value="http://hl7.org/fhirpath/System.String"/>
          </type>
          <isModifier value="false"/>
          <isSummary value="true"/>
        </element>
        <element id="ObservationDefinition.meta">
          <path value="ObservationDefinition.meta"/>
          <short value="Metadata about the resource"/>
          <definition
                      value="The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Resource.meta"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="Meta"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <isModifier value="false"/>
          <isSummary value="true"/>
        </element>
        <element id="ObservationDefinition.implicitRules">
          <path value="ObservationDefinition.implicitRules"/>
          <short value="A set of rules under which this content was created"/>
          <definition
                      value="A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc."/>
          <comment
                   value="Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element. Often, when used, the URL is a reference to an implementation guide that defines these special rules as part of it's narrative along with other profiles, value sets, etc."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Resource.implicitRules"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="uri"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <isModifier value="true"/>
          <isModifierReason
                            value="This element is labeled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation"/>
          <isSummary value="true"/>
        </element>
        <element id="ObservationDefinition.language">
          <path value="ObservationDefinition.language"/>
          <short value="Language of the resource content"/>
          <definition
                      value="The base language in which the resource is written."/>
          <comment
                   value="Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies  to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource. Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute)."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Resource.language"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="code"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <binding>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet">
              <valueCanonical value="http://hl7.org/fhir/ValueSet/all-languages"/>
            </extension>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
              <valueString value="Language"/>
            </extension>
            <strength value="preferred"/>
            <description value="A human language."/>
            <valueSet value="http://hl7.org/fhir/ValueSet/languages|4.0.1"/>
          </binding>
        </element>
        <element id="ObservationDefinition.text">
          <path value="ObservationDefinition.text"/>
          <short value="Text summary of the resource, for human interpretation"/>
          <definition
                      value="A human-readable narrative that contains a summary of the resource and can be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it &quot;clinically safe&quot; for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety."/>
          <comment
                   value="Contained resources do not have narrative. Resources that are not contained SHOULD have a narrative. In some cases, a resource may only have text with little or no additional discrete data (as long as all minOccurs=1 elements are satisfied).  This may be necessary for data from legacy systems where information is captured as a &quot;text blob&quot; or where text is additionally entered raw or narrated and encoded information is added later."/>
          <alias value="narrative"/>
          <alias value="html"/>
          <alias value="xhtml"/>
          <alias value="display"/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="DomainResource.text"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="Narrative"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="rim"/>
            <map value="Act.text?"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.contained">
          <path value="ObservationDefinition.contained"/>
          <short value="Contained, inline Resources"/>
          <definition
                      value="These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope."/>
          <comment
                   value="This should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again. Contained resources may have profiles and tags In their meta elements, but SHALL NOT have security labels."/>
          <alias value="inline resources"/>
          <alias value="anonymous resources"/>
          <alias value="contained resources"/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="DomainResource.contained"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Resource"/>
          </type>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.extension">
          <path value="ObservationDefinition.extension"/>
          <slicing>
            <discriminator>
              <type value="value"/>
              <path value="url"/>
            </discriminator>
            <rules value="open"/>
          </slicing>
          <short value="Extension"/>
          <definition value="An Extension"/>
          <min value="1"/>
          <max value="*"/>
          <base>
            <path value="DomainResource.extension"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Extension"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath
                   value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
          </constraint>
          <mustSupport value="true"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
        </element>
        <element
                 id="ObservationDefinition.extension:ObservationDefinitionDevice">
          <path value="ObservationDefinition.extension"/>
          <sliceName value="ObservationDefinitionDevice"/>
          <short value="LIVD Device"/>
          <definition
                      value="Add a reference from the ObservationDefinition to the Device."/>
          <min value="1"/>
          <max value="*"/>
          <base>
            <path value="DomainResource.extension"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Extension"/>
            <profile
                     value="http://hl7.org/fhir/uv/livd/StructureDefinition/ext-device"/>
          </type>
          <condition value="ele-1"/>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath
                   value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
          </constraint>
          <mustSupport value="true"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
        </element>
        <element
                 id="ObservationDefinition.extension:ObservationDefinitionVendorReferenceIdentifier">
          <path value="ObservationDefinition.extension"/>
          <sliceName value="ObservationDefinitionVendorReferenceIdentifier"/>
          <short value="LIVD Vendor Reference Identifier"/>
          <definition
                      value="Add a vendor reference identifier to ObservationDefinition."/>
          <comment
                   value="Provides an alternate reference identifier by which the IVD Test is known.  Only the identifier.value is required."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="DomainResource.extension"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Extension"/>
            <profile
                     value="http://hl7.org/fhir/uv/livd/StructureDefinition/ext-vendorReferenceIdentifier"/>
          </type>
          <condition value="ele-1"/>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath
                   value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
          </constraint>
          <mustSupport value="true"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
        </element>
        <element id="ObservationDefinition.modifierExtension">
          <path value="ObservationDefinition.modifierExtension"/>
          <short value="Extensions that cannot be ignored"/>
          <definition
                      value="May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)."/>
          <comment
                   value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
          <requirements
                        value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)."/>
          <alias value="extensions"/>
          <alias value="user content"/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="DomainResource.modifierExtension"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Extension"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath
                   value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
          </constraint>
          <isModifier value="true"/>
          <isModifierReason
                            value="Modifier extensions are expected to modify the meaning or interpretation of the resource that contains them"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.category">
          <path value="ObservationDefinition.category"/>
          <short value="Category of observation"/>
          <definition
                      value="A code that classifies the general type of observation."/>
          <comment
                   value="In addition to the required category valueset, this element allows various categorization schemes based on the owner’s definition of the category and effectively multiple categories can be used at once. The level of granularity is defined by the category concepts in the value set."/>
          <requirements
                        value="Used for filtering what observations are retrieved and displayed."/>
          <alias value="Class of observation"/>
          <min value="0"/>
          <max value="0"/>
          <base>
            <path value="ObservationDefinition.category"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="CodeableConcept"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <mustSupport value="false"/>
          <isModifier value="false"/>
          <isSummary value="true"/>
          <binding>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
              <valueString value="ObservationCategory"/>
            </extension>
            <strength value="example"/>
            <description value="Codes for high level observation categories."/>
            <valueSet
                      value="http://hl7.org/fhir/ValueSet/observation-category|4.0.1"/>
          </binding>
          <mapping>
            <identity value="w5"/>
            <map value="FiveWs.class"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map
                 value=".outboundRelationship[typeCode=&quot;COMP].target[classCode=&quot;LIST&quot;, moodCode=&quot;DEF&quot;].code"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.code">
          <path value="ObservationDefinition.code"/>
          <short value="Type of observation (code / type)"/>
          <definition
                      value="Describes what will be observed. Sometimes this is called the observation &quot;name&quot;."/>
          <comment
                   value="Contains both the IVD Test Code and Name of the analyte."/>
          <requirements
                        value="Knowing what kind of observation is being made is essential to understanding the observation."/>
          <alias value="Name"/>
          <min value="1"/>
          <max value="1"/>
          <base>
            <path value="ObservationDefinition.code"/>
            <min value="1"/>
            <max value="1"/>
          </base>
          <type>
            <code value="CodeableConcept"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <mustSupport value="true"/>
          <isModifier value="false"/>
          <isSummary value="true"/>
          <binding>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
              <valueString value="ObservationCode"/>
            </extension>
            <strength value="example"/>
            <description value="Codes identifying names of simple observations."/>
            <valueSet
                      value="http://hl7.org/fhir/ValueSet/observation-codes|4.0.1"/>
          </binding>
          <mapping>
            <identity value="v2"/>
            <map value="OM1-2"/>
          </mapping>
          <mapping>
            <identity value="w5"/>
            <map value="FiveWs.what[x]"/>
          </mapping>
          <mapping>
            <identity value="v2"/>
            <map value="OM1-2
    OMC-4"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map value="code"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.identifier">
          <path value="ObservationDefinition.identifier"/>
          <short
                 value="Business identifier for this ObservationDefinition instance"/>
          <definition
                      value="A unique identifier assigned to this ObservationDefinition artifact."/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="ObservationDefinition.identifier"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Identifier"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <mustSupport value="true"/>
          <isModifier value="false"/>
          <isSummary value="true"/>
        </element>
        <element id="ObservationDefinition.permittedDataType">
          <path value="ObservationDefinition.permittedDataType"/>
          <short
                 value="Quantity | CodeableConcept | string | boolean | integer | Range | Ratio | SampledData | time | dateTime | Period"/>
          <definition
                      value="data type allowed for the result of the observation."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="ObservationDefinition.permittedDataType"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="code"/>
          </type>
          <example>
            <label value="General"/>
            <valueCode value="CodeableConcept"/>
          </example>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <mustSupport value="true"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <binding>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
              <valueString value="ObservationDataType"/>
            </extension>
            <strength value="required"/>
            <description value="Permitted data type for observation value."/>
            <valueSet
                      value="http://hl7.org/fhir/ValueSet/permitted-data-type|4.0.1"/>
          </binding>
          <mapping>
            <identity value="v2"/>
            <map value="OM1-3"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.multipleResultsAllowed">
          <path value="ObservationDefinition.multipleResultsAllowed"/>
          <short value="Multiple results allowed"/>
          <definition
                      value="Multiple results allowed for this kind of observation."/>
          <comment
                   value="An example of observation allowing multiple results is &quot;bacteria identified by culture&quot;. Conversely, the measurement of a potassium level allows a single result."/>
          <min value="0"/>
          <max value="0"/>
          <base>
            <path value="ObservationDefinition.multipleResultsAllowed"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="boolean"/>
          </type>
          <example>
            <label value="General"/>
            <valueBoolean value="true"/>
          </example>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <mustSupport value="false"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
        </element>
        <element id="ObservationDefinition.method">
          <path value="ObservationDefinition.method"/>
          <short value="Method used to produce the observation"/>
          <definition
                      value="The method or technique used to perform the observation."/>
          <comment value="Only used if not implicit in observation code."/>
          <requirements value="In some cases, method can impact results."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="ObservationDefinition.method"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="CodeableConcept"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <mustSupport value="true"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <binding>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
              <valueString value="ObservationMethod"/>
            </extension>
            <strength value="example"/>
            <description value="Methods for simple observations."/>
            <valueSet
                      value="http://hl7.org/fhir/ValueSet/observation-methods|4.0.1"/>
          </binding>
          <mapping>
            <identity value="v2"/>
            <map value="OM1-14"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map value="methodCode"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.preferredReportName">
          <path value="ObservationDefinition.preferredReportName"/>
          <short value="Preferred report name"/>
          <definition
                      value="The preferred name to be used when reporting the results of this observation."/>
          <min value="0"/>
          <max value="0"/>
          <base>
            <path value="ObservationDefinition.preferredReportName"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="string"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <mustSupport value="false"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="v2"/>
            <map value="OM1-9"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.quantitativeDetails">
          <path value="ObservationDefinition.quantitativeDetails"/>
          <short value="Characteristics of quantitative results"/>
          <definition
                      value="Characteristics for quantitative results of this observation."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="ObservationDefinition.quantitativeDetails"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="BackboneElement"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <mustSupport value="true"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="v2"/>
            <map value="OM2"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.quantitativeDetails.id">
          <path value="ObservationDefinition.quantitativeDetails.id"/>
          <representation value="xmlAttr"/>
          <short value="Unique id for inter-element referencing"/>
          <definition
                      value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Element.id"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
              <valueUrl value="string"/>
            </extension>
            <code value="http://hl7.org/fhirpath/System.String"/>
          </type>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.quantitativeDetails.extension">
          <path value="ObservationDefinition.quantitativeDetails.extension"/>
          <short value="Additional content defined by implementations"/>
          <definition
                      value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
          <comment
                   value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
          <alias value="extensions"/>
          <alias value="user content"/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Extension"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath
                   value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
          </constraint>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
          </mapping>
        </element>
        <element
                 id="ObservationDefinition.quantitativeDetails.modifierExtension">
          <path
                value="ObservationDefinition.quantitativeDetails.modifierExtension"/>
          <short value="Extensions that cannot be ignored even if unrecognized"/>
          <definition
                      value="May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)."/>
          <comment
                   value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
          <requirements
                        value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)."/>
          <alias value="extensions"/>
          <alias value="user content"/>
          <alias value="modifiers"/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="BackboneElement.modifierExtension"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Extension"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath
                   value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
          </constraint>
          <isModifier value="true"/>
          <isModifierReason
                            value="Modifier extensions are expected to modify the meaning or interpretation of the element that contains them"/>
          <isSummary value="true"/>
          <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.quantitativeDetails.customaryUnit">
          <path value="ObservationDefinition.quantitativeDetails.customaryUnit"/>
          <short value="Customary unit for quantitative results"/>
          <definition
                      value="Customary unit used to report quantitative results of this observation."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path
                  value="ObservationDefinition.quantitativeDetails.customaryUnit"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="CodeableConcept"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <mustSupport value="true"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <binding>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
              <valueString value="ObservationUnit"/>
            </extension>
            <strength value="extensible"/>
            <description value="Codes identifying units of measure."/>
            <valueSet value="http://hl7.org/fhir/ValueSet/ucum-units|4.0.1"/>
          </binding>
          <mapping>
            <identity value="v2"/>
            <map value="OM2-2"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.quantitativeDetails.unit">
          <path value="ObservationDefinition.quantitativeDetails.unit"/>
          <short value="SI unit for quantitative results"/>
          <definition
                      value="SI unit used to report quantitative results of this observation."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="ObservationDefinition.quantitativeDetails.unit"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="CodeableConcept"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <mustSupport value="true"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <binding>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
              <valueString value="ObservationUnit"/>
            </extension>
            <strength value="extensible"/>
            <description value="Codes identifying units of measure."/>
            <valueSet value="http://hl7.org/fhir/ValueSet/ucum-units|4.0.1"/>
          </binding>
          <mapping>
            <identity value="v2"/>
            <map value="OM2-4"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.quantitativeDetails.conversionFactor">
          <path
                value="ObservationDefinition.quantitativeDetails.conversionFactor"/>
          <short value="SI unit to customary unit conversion factor"/>
          <definition
                      value="Factor for converting value expressed with SI unit to value expressed with customary unit."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path
                  value="ObservationDefinition.quantitativeDetails.conversionFactor"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="decimal"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <mustSupport value="true"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="v2"/>
            <map value="OM2-5"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.quantitativeDetails.decimalPrecision">
          <path
                value="ObservationDefinition.quantitativeDetails.decimalPrecision"/>
          <short value="Decimal precision of observation quantitative results"/>
          <definition
                      value="number of digits after decimal separator when the results of this observation are of type Quantity."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path
                  value="ObservationDefinition.quantitativeDetails.decimalPrecision"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="integer"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <mustSupport value="true"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="v2"/>
            <map value="OM2-3"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.qualifiedInterval">
          <path value="ObservationDefinition.qualifiedInterval"/>
          <short
                 value="Qualified range for continuous and ordinal observation results"/>
          <definition
                      value="Reference range for ordinal and continuous observations."/>
          <requirements
                        value="multiple reference ranges, for different patient contexts."/>
          <min value="0"/>
          <max value="0"/>
          <base>
            <path value="ObservationDefinition.qualifiedInterval"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="BackboneElement"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <mustSupport value="false"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="v2"/>
            <map value="OM2-6"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.qualifiedInterval.id">
          <path value="ObservationDefinition.qualifiedInterval.id"/>
          <representation value="xmlAttr"/>
          <short value="Unique id for inter-element referencing"/>
          <definition
                      value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Element.id"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
              <valueUrl value="string"/>
            </extension>
            <code value="http://hl7.org/fhirpath/System.String"/>
          </type>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.qualifiedInterval.extension">
          <path value="ObservationDefinition.qualifiedInterval.extension"/>
          <short value="Additional content defined by implementations"/>
          <definition
                      value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
          <comment
                   value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
          <alias value="extensions"/>
          <alias value="user content"/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Extension"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath
                   value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
          </constraint>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.qualifiedInterval.modifierExtension">
          <path
                value="ObservationDefinition.qualifiedInterval.modifierExtension"/>
          <short value="Extensions that cannot be ignored even if unrecognized"/>
          <definition
                      value="May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)."/>
          <comment
                   value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
          <requirements
                        value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)."/>
          <alias value="extensions"/>
          <alias value="user content"/>
          <alias value="modifiers"/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="BackboneElement.modifierExtension"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Extension"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath
                   value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
          </constraint>
          <isModifier value="true"/>
          <isModifierReason
                            value="Modifier extensions are expected to modify the meaning or interpretation of the element that contains them"/>
          <isSummary value="true"/>
          <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.qualifiedInterval.category">
          <path value="ObservationDefinition.qualifiedInterval.category"/>
          <short value="reference | critical | absolute"/>
          <definition
                      value="The category of interval of values for continuous or ordinal observations conforming to this ObservationDefinition."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="ObservationDefinition.qualifiedInterval.category"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="code"/>
          </type>
          <example>
            <label value="General"/>
            <valueCode value="critical"/>
          </example>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <mustSupport value="false"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <binding>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
              <valueString value="ObservationRangeCategory"/>
            </extension>
            <strength value="required"/>
            <description
                         value="Codes identifying the category of observation range."/>
            <valueSet
                      value="http://hl7.org/fhir/ValueSet/observation-range-category|4.0.1"/>
          </binding>
          <mapping>
            <identity value="v2"/>
            <map value="OM-2"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.qualifiedInterval.range">
          <path value="ObservationDefinition.qualifiedInterval.range"/>
          <short
                 value="The interval itself, for continuous or ordinal observations"/>
          <definition
                      value="The value and associated unit of the low bound (inclusive) of the reference range."/>
          <requirements
                        value="The unit may be not relevant for ordinal values. In case it is there, it is the same as SIunit or customaryUnit."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="ObservationDefinition.qualifiedInterval.range"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="Range"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <mustSupport value="false"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="v2"/>
            <map value="OM2-6.1.1"/>
          </mapping>
          <mapping>
            <identity value="v2"/>
            <map value="OM-2"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.qualifiedInterval.context">
          <path value="ObservationDefinition.qualifiedInterval.context"/>
          <short value="Range context qualifier"/>
          <definition
                      value="Codes to indicate what part of the targeted reference population it applies to. For example, the normal or therapeutic range."/>
          <comment value="normal range is the default."/>
          <requirements
                        value="what kind of reference range this is - normal, recommended, therapeutic, etc., - for proper interpretation."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="ObservationDefinition.qualifiedInterval.context"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="CodeableConcept"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <mustSupport value="false"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <binding>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
              <valueString value="ObservationRangeMeaning"/>
            </extension>
            <strength value="extensible"/>
            <description value="Code identifying the health context of a range."/>
            <valueSet
                      value="http://hl7.org/fhir/ValueSet/referencerange-meaning|4.0.1"/>
          </binding>
          <mapping>
            <identity value="v2"/>
            <map value="n.a."/>
          </mapping>
        </element>
        <element id="ObservationDefinition.qualifiedInterval.appliesTo">
          <path value="ObservationDefinition.qualifiedInterval.appliesTo"/>
          <short value="Targetted population of the range"/>
          <definition
                      value="Codes to indicate the target population this reference range applies to."/>
          <comment
                   value="If this element is not present then the global population is assumed."/>
          <requirements
                        value="target population (male, female, pregnancy, a specific race …."/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="ObservationDefinition.qualifiedInterval.appliesTo"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="CodeableConcept"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <mustSupport value="false"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <binding>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
              <valueString value="ObservationRangeAppliesTo"/>
            </extension>
            <strength value="example"/>
            <description
                         value="Codes identifying the population the reference range applies to."/>
            <valueSet
                      value="http://hl7.org/fhir/ValueSet/referencerange-appliesto|4.0.1"/>
          </binding>
          <mapping>
            <identity value="v2"/>
            <map value="OM2-6.2 OM2-6.6"/>
          </mapping>
          <mapping>
            <identity value="v2"/>
            <map value="RFR.6"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.qualifiedInterval.gender">
          <path value="ObservationDefinition.qualifiedInterval.gender"/>
          <short value="male | female | other | unknown"/>
          <definition value="Sex of the population the range applies to."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="ObservationDefinition.qualifiedInterval.gender"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="code"/>
          </type>
          <example>
            <label value="General"/>
            <valueCode value="female"/>
          </example>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <mustSupport value="false"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <binding>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
              <valueString value="AdministrativeGender"/>
            </extension>
            <strength value="required"/>
            <description
                         value="The gender of a person used for administrative purposes."/>
            <valueSet
                      value="http://hl7.org/fhir/ValueSet/administrative-gender|4.0.1"/>
          </binding>
          <mapping>
            <identity value="v2"/>
            <map value="RFR.2"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.qualifiedInterval.age">
          <path value="ObservationDefinition.qualifiedInterval.age"/>
          <short value="Applicable age range, if relevant"/>
          <definition
                      value="The age at which this reference range is applicable. This is a neonatal age (e.g. number of weeks at term) if the meaning says so."/>
          <comment value="Some analytes vary greatly over age."/>
          <requirements value="Some analytes vary greatly over age."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="ObservationDefinition.qualifiedInterval.age"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="Range"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <mustSupport value="false"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="v2"/>
            <map value="OM2-6.3"/>
          </mapping>
          <mapping>
            <identity value="v2"/>
            <map value="RFR.3"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.qualifiedInterval.gestationalAge">
          <path value="ObservationDefinition.qualifiedInterval.gestationalAge"/>
          <short value="Applicable gestational age range, if relevant"/>
          <definition
                      value="The gestational age at which this reference range is applicable, in the context of pregnancy."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="ObservationDefinition.qualifiedInterval.gestationalAge"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="Range"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <mustSupport value="false"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="v2"/>
            <map value="OM2-6.4"/>
          </mapping>
          <mapping>
            <identity value="v2"/>
            <map value="RFR.4"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.qualifiedInterval.condition">
          <path value="ObservationDefinition.qualifiedInterval.condition"/>
          <short value="Condition associated with the reference range"/>
          <definition
                      value="Text based condition for which the reference range is valid."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="ObservationDefinition.qualifiedInterval.condition"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="string"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <mustSupport value="false"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="v2"/>
            <map value="OM2-6.7"/>
          </mapping>
          <mapping>
            <identity value="v2"/>
            <map value="RFR.7"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.validCodedValueSet">
          <path value="ObservationDefinition.validCodedValueSet"/>
          <short
                 value="Value set of valid coded values for the observations conforming to this ObservationDefinition"/>
          <definition
                      value="The set of valid coded results for the observation."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="ObservationDefinition.validCodedValueSet"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="Reference"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/ValueSet|4.0.1"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <mustSupport value="true"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="v2"/>
            <map value="OM3-3"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.normalCodedValueSet">
          <path value="ObservationDefinition.normalCodedValueSet"/>
          <short
                 value="Value set of normal coded values for the observations conforming to this ObservationDefinition"/>
          <definition
                      value="The set of normal coded results for the observation."/>
          <min value="0"/>
          <max value="0"/>
          <base>
            <path value="ObservationDefinition.normalCodedValueSet"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="Reference"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/ValueSet|4.0.1"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <mustSupport value="false"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="v2"/>
            <map value="OM3-4"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.abnormalCodedValueSet">
          <path value="ObservationDefinition.abnormalCodedValueSet"/>
          <short
                 value="Value set of abnormal coded values for the observations conforming to this ObservationDefinition"/>
          <definition
                      value="The set of abnormal coded results for the observation."/>
          <min value="0"/>
          <max value="0"/>
          <base>
            <path value="ObservationDefinition.abnormalCodedValueSet"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="Reference"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/ValueSet|4.0.1"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <mustSupport value="false"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="v2"/>
            <map value="OM3-5"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.criticalCodedValueSet">
          <path value="ObservationDefinition.criticalCodedValueSet"/>
          <short
                 value="Value set of critical coded values for the observations conforming to this ObservationDefinition"/>
          <definition
                      value="The set of critical coded results for the observation."/>
          <min value="0"/>
          <max value="0"/>
          <base>
            <path value="ObservationDefinition.criticalCodedValueSet"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="Reference"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/ValueSet|4.0.1"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <mustSupport value="false"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="v2"/>
            <map value="OM3-6"/>
          </mapping>
        </element>
      </snapshot>
      <differential>
        <element id="ObservationDefinition">
          <path value="ObservationDefinition"/>
          <short value="LIVDObservationDefinition"/>
          <mustSupport value="false"/>
        </element>
        <element id="ObservationDefinition.extension">
          <path value="ObservationDefinition.extension"/>
          <slicing>
            <discriminator>
              <type value="value"/>
              <path value="url"/>
            </discriminator>
            <rules value="open"/>
          </slicing>
          <min value="1"/>
          <mustSupport value="true"/>
        </element>
        <element
                 id="ObservationDefinition.extension:ObservationDefinitionDevice">
          <path value="ObservationDefinition.extension"/>
          <sliceName value="ObservationDefinitionDevice"/>
          <min value="1"/>
          <max value="*"/>
          <type>
            <code value="Extension"/>
            <profile
                     value="http://hl7.org/fhir/uv/livd/StructureDefinition/ext-device"/>
          </type>
          <mustSupport value="true"/>
        </element>
        <element
                 id="ObservationDefinition.extension:ObservationDefinitionVendorReferenceIdentifier">
          <path value="ObservationDefinition.extension"/>
          <sliceName value="ObservationDefinitionVendorReferenceIdentifier"/>
          <comment
                   value="Provides an alternate reference identifier by which the IVD Test is known.  Only the identifier.value is required."/>
          <min value="0"/>
          <max value="1"/>
          <type>
            <code value="Extension"/>
            <profile
                     value="http://hl7.org/fhir/uv/livd/StructureDefinition/ext-vendorReferenceIdentifier"/>
          </type>
          <mustSupport value="true"/>
        </element>
        <element id="ObservationDefinition.category">
          <path value="ObservationDefinition.category"/>
          <comment
                   value="In addition to the required category valueset, this element allows various categorization schemes based on the owner’s definition of the category and effectively multiple categories can be used at once. The level of granularity is defined by the category concepts in the value set."/>
          <requirements
                        value="Used for filtering what observations are retrieved and displayed."/>
          <max value="0"/>
          <mustSupport value="false"/>
        </element>
        <element id="ObservationDefinition.code">
          <path value="ObservationDefinition.code"/>
          <comment
                   value="Contains both the IVD Test Code and Name of the analyte."/>
          <mustSupport value="true"/>
          <mapping>
            <identity value="v2"/>
            <map value="OM1-2"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.identifier">
          <path value="ObservationDefinition.identifier"/>
          <mustSupport value="true"/>
        </element>
        <element id="ObservationDefinition.permittedDataType">
          <path value="ObservationDefinition.permittedDataType"/>
          <definition
                      value="data type allowed for the result of the observation."/>
          <max value="1"/>
          <mustSupport value="true"/>
        </element>
        <element id="ObservationDefinition.multipleResultsAllowed">
          <path value="ObservationDefinition.multipleResultsAllowed"/>
          <definition
                      value="Multiple results allowed for this kind of observation."/>
          <max value="0"/>
          <mustSupport value="false"/>
        </element>
        <element id="ObservationDefinition.method">
          <path value="ObservationDefinition.method"/>
          <mustSupport value="true"/>
        </element>
        <element id="ObservationDefinition.preferredReportName">
          <path value="ObservationDefinition.preferredReportName"/>
          <definition
                      value="The preferred name to be used when reporting the results of this observation."/>
          <max value="0"/>
          <mustSupport value="false"/>
        </element>
        <element id="ObservationDefinition.quantitativeDetails">
          <path value="ObservationDefinition.quantitativeDetails"/>
          <mustSupport value="true"/>
        </element>
        <element id="ObservationDefinition.quantitativeDetails.customaryUnit">
          <path value="ObservationDefinition.quantitativeDetails.customaryUnit"/>
          <definition
                      value="Customary unit used to report quantitative results of this observation."/>
          <mustSupport value="true"/>
        </element>
        <element id="ObservationDefinition.quantitativeDetails.unit">
          <path value="ObservationDefinition.quantitativeDetails.unit"/>
          <definition
                      value="SI unit used to report quantitative results of this observation."/>
          <mustSupport value="true"/>
        </element>
        <element id="ObservationDefinition.quantitativeDetails.conversionFactor">
          <path
                value="ObservationDefinition.quantitativeDetails.conversionFactor"/>
          <short value="SI unit to customary unit conversion factor"/>
          <mustSupport value="true"/>
        </element>
        <element id="ObservationDefinition.quantitativeDetails.decimalPrecision">
          <path
                value="ObservationDefinition.quantitativeDetails.decimalPrecision"/>
          <definition
                      value="number of digits after decimal separator when the results of this observation are of type Quantity."/>
          <mustSupport value="true"/>
        </element>
        <element id="ObservationDefinition.qualifiedInterval">
          <path value="ObservationDefinition.qualifiedInterval"/>
          <definition
                      value="Reference range for ordinal and continuous observations."/>
          <requirements
                        value="multiple reference ranges, for different patient contexts."/>
          <max value="0"/>
          <mustSupport value="false"/>
        </element>
        <element id="ObservationDefinition.qualifiedInterval.category">
          <path value="ObservationDefinition.qualifiedInterval.category"/>
          <mustSupport value="false"/>
        </element>
        <element id="ObservationDefinition.qualifiedInterval.range">
          <path value="ObservationDefinition.qualifiedInterval.range"/>
          <definition
                      value="The value and associated unit of the low bound (inclusive) of the reference range."/>
          <requirements
                        value="The unit may be not relevant for ordinal values. In case it is there, it is the same as SIunit or customaryUnit."/>
          <mustSupport value="false"/>
          <mapping>
            <identity value="v2"/>
            <map value="OM2-6.1.1"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.qualifiedInterval.context">
          <path value="ObservationDefinition.qualifiedInterval.context"/>
          <definition
                      value="Codes to indicate what part of the targeted reference population it applies to. For example, the normal or therapeutic range."/>
          <comment value="normal range is the default."/>
          <requirements
                        value="what kind of reference range this is - normal, recommended, therapeutic, etc., - for proper interpretation."/>
          <mustSupport value="false"/>
        </element>
        <element id="ObservationDefinition.qualifiedInterval.appliesTo">
          <path value="ObservationDefinition.qualifiedInterval.appliesTo"/>
          <requirements
                        value="target population (male, female, pregnancy, a specific race …."/>
          <mustSupport value="false"/>
          <mapping>
            <identity value="v2"/>
            <map value="OM2-6.2 OM2-6.6"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.qualifiedInterval.gender">
          <path value="ObservationDefinition.qualifiedInterval.gender"/>
          <mustSupport value="false"/>
        </element>
        <element id="ObservationDefinition.qualifiedInterval.age">
          <path value="ObservationDefinition.qualifiedInterval.age"/>
          <requirements value="Some analytes vary greatly over age."/>
          <mustSupport value="false"/>
          <mapping>
            <identity value="v2"/>
            <map value="OM2-6.3"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.qualifiedInterval.gestationalAge">
          <path value="ObservationDefinition.qualifiedInterval.gestationalAge"/>
          <definition
                      value="The gestational age at which this reference range is applicable, in the context of pregnancy."/>
          <mustSupport value="false"/>
          <mapping>
            <identity value="v2"/>
            <map value="OM2-6.4"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.qualifiedInterval.condition">
          <path value="ObservationDefinition.qualifiedInterval.condition"/>
          <mustSupport value="false"/>
          <mapping>
            <identity value="v2"/>
            <map value="OM2-6.7"/>
          </mapping>
        </element>
        <element id="ObservationDefinition.validCodedValueSet">
          <path value="ObservationDefinition.validCodedValueSet"/>
          <definition
                      value="The set of valid coded results for the observation."/>
          <mustSupport value="true"/>
        </element>
        <element id="ObservationDefinition.normalCodedValueSet">
          <path value="ObservationDefinition.normalCodedValueSet"/>
          <definition
                      value="The set of normal coded results for the observation."/>
          <max value="0"/>
          <mustSupport value="false"/>
        </element>
        <element id="ObservationDefinition.abnormalCodedValueSet">
          <path value="ObservationDefinition.abnormalCodedValueSet"/>
          <definition
                      value="The set of abnormal coded results for the observation."/>
          <max value="0"/>
          <mustSupport value="false"/>
        </element>
        <element id="ObservationDefinition.criticalCodedValueSet">
          <path value="ObservationDefinition.criticalCodedValueSet"/>
          <definition
                      value="The set of critical coded results for the observation."/>
          <max value="0"/>
          <mustSupport value="false"/>
        </element>
      </differential>
    </StructureDefinition>