v2 Data Type Definition - XML Representation

v2+ Details - Local Development build (v0.3.2). See the Directory of published versions
Logical Model: v2 Data Type Definition - XML Profile

Draft as of 2023-10-23
XML representation of the v2DataTypeDefinition logical model.


<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="v2DataTypeDefinition"/>
  <text>
    <status value="extensions"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><table border="0" cellpadding="0" cellspacing="0" style="border: 0px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;"><tr style="border: 1px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top"><th style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="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 : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" 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 : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Minimum and Maximum # of times the the element can appear in the instance">Card.</a></th><th style="width: 100px" class="hierarchy"><a href="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 : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" 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,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" alt="doco" style="background-color: inherit"/></a></span></th></tr><tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck1.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_element.gif" alt="." style="background-color: white; background-color: inherit" title="Element" class="hierarchy"/> <a href="StructureDefinition-v2DataTypeDefinition-definitions.html#v2DataTypeDefinition">v2DataTypeDefinition</a><a name="v2DataTypeDefinition"> </a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">0</span><span style="opacity: 0.5">..</span><span style="opacity: 0.5">*</span></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R5/types.html#Base">Base</a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">Base for all types and resources</span><br/><span style="font-weight:bold">Instances of this logical model are not marked to be the target of a Reference</span></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_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_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-v2DataTypeDefinition-definitions.html#v2DataTypeDefinition.code">code</a><a name="v2DataTypeDefinition.code"> </a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</span></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..1</td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R5/datatypes.html#string" title="string">string</a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">This is the two or three letter code for the data type.</td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_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_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-v2DataTypeDefinition-definitions.html#v2DataTypeDefinition.title">title</a><a name="v2DataTypeDefinition.title"> </a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</span></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..1</td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R5/datatypes.html#string" title="string">string</a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">This is a short human readable text for this data type.</td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_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_datatype.gif" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Data Type" class="hierarchy"/> <a href="StructureDefinition-v2DataTypeDefinition-definitions.html#v2DataTypeDefinition.description">description</a><a name="v2DataTypeDefinition.description"> </a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..1</td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R5/narrative.html#Narrative" title="Narrative">Narrative</a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_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_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-v2DataTypeDefinition-definitions.html#v2DataTypeDefinition.withdrawn">withdrawn</a><a name="v2DataTypeDefinition.withdrawn"> </a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..1</td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R5/datatypes.html#boolean" title="boolean">boolean</a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_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_datatype.gif" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Data Type" class="hierarchy"/> <a href="StructureDefinition-v2DataTypeDefinition-definitions.html#v2DataTypeDefinition.completeExample">completeExample</a><a name="v2DataTypeDefinition.completeExample"> </a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R5/narrative.html#Narrative" title="Narrative">Narrative</a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck01.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin_end.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_datatype.gif" alt="." style="background-color: white; background-color: inherit" title="Data Type" class="hierarchy"/> <a href="StructureDefinition-v2DataTypeDefinition-definitions.html#v2DataTypeDefinition.component">component</a><a name="v2DataTypeDefinition.component"> </a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..*</td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R5/types.html#BackboneElement">BackboneElement</a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-v2DataTypeDefinition-definitions.html#v2DataTypeDefinition.component.sequenceNumber">sequenceNumber</a><a name="v2DataTypeDefinition.component.sequenceNumber"> </a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</span></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..1</td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R5/datatypes.html#positiveInt" title="positiveInt">positiveInt</a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-v2DataTypeDefinition-definitions.html#v2DataTypeDefinition.component.element[x]">element[x]</a><a name="v2DataTypeDefinition.component.element_x_"> </a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</span></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..1</td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R5/datatypes.html#string">string</a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Either a simple datatype, or a complext one as a reference.</td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_datatype.gif" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Data Type" class="hierarchy"/> <a href="StructureDefinition-v2DataTypeDefinition-definitions.html#v2DataTypeDefinition.component.definition">definition</a><a name="v2DataTypeDefinition.component.definition"> </a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..1</td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R5/narrative.html#Narrative" title="Narrative">Narrative</a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_datatype.gif" alt="." style="background-color: white; background-color: inherit" title="Data Type" class="hierarchy"/> <a href="StructureDefinition-v2DataTypeDefinition-definitions.html#v2DataTypeDefinition.component.implement">implement</a><a name="v2DataTypeDefinition.component.implement"> </a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..1</td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R5/datatypes.html#CodeableConcept">CodeableConcept</a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="font-weight:bold">Binding: </span>v2plus-implement (<a href="http://hl7.org/fhir/R5/terminologies.html#required" title="To be conformant, the concept in this element SHALL be from the specified value set.">required</a>)</td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-v2DataTypeDefinition-definitions.html#v2DataTypeDefinition.component.minLength">minLength</a><a name="v2DataTypeDefinition.component.minLength"> </a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..1</td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R5/datatypes.html#integer" title="integer">integer</a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-v2DataTypeDefinition-definitions.html#v2DataTypeDefinition.component.maxLength">maxLength</a><a name="v2DataTypeDefinition.component.maxLength"> </a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..1</td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R5/datatypes.html#integer" title="integer">integer</a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-v2DataTypeDefinition-definitions.html#v2DataTypeDefinition.component.confLength">confLength</a><a name="v2DataTypeDefinition.component.confLength"> </a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..1</td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R5/datatypes.html#integer" title="integer">integer</a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-v2DataTypeDefinition-definitions.html#v2DataTypeDefinition.component.mayTruncate">mayTruncate</a><a name="v2DataTypeDefinition.component.mayTruncate"> </a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..1</td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R5/datatypes.html#boolean" title="boolean">boolean</a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">indicates whether this information can be truncated. Default value is false.</td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-v2DataTypeDefinition-definitions.html#v2DataTypeDefinition.component.exampleValue">exampleValue</a><a name="v2DataTypeDefinition.component.exampleValue"> </a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R5/datatypes.html#string" title="string">string</a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-v2DataTypeDefinition-definitions.html#v2DataTypeDefinition.component.comments">comments</a><a name="v2DataTypeDefinition.component.comments"> </a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R5/datatypes.html#string" title="string">string</a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-v2DataTypeDefinition-definitions.html#v2DataTypeDefinition.component.usageNotes">usageNotes</a><a name="v2DataTypeDefinition.component.usageNotes"> </a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R5/datatypes.html#string" title="string">string</a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-v2DataTypeDefinition-definitions.html#v2DataTypeDefinition.component.requirements">requirements</a><a name="v2DataTypeDefinition.component.requirements"> </a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R5/datatypes.html#string" title="string">string</a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-v2DataTypeDefinition-definitions.html#v2DataTypeDefinition.component.binding">binding</a><a name="v2DataTypeDefinition.component.binding"> </a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..1</td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R5/references.html">canonical</a>(<a href="http://hl7.org/fhir/R5/valueset.html">ValueSet</a>)</td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Bound value set</td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck000.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin_end.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-v2DataTypeDefinition-definitions.html#v2DataTypeDefinition.component.mayRepeat">mayRepeat</a><a name="v2DataTypeDefinition.component.mayRepeat"> </a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..1</td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R5/datatypes.html#boolean" title="boolean">boolean</a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">indicates that this field may repeat if defined as such, and if occuring as last. Default value is false.</td></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,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" alt="doco" style="background-color: inherit"/> Documentation for this format</a></td></tr></table></div>
  </text>
  <url
       value="http://v2.hl7.org/fhir/StructureDefinition/v2DataTypeDefinition"/>
  <version value="1st draft"/>
  <name value="v2 Data Type Definition"/>
  <title value="v2 Data Type Definition"/>
  <status value="draft"/>
  <date value="2023-10-23T14:45:10+02:00"/>
  <description value="Data Type Definition"/>
  <fhirVersion value="5.0.0"/>
  <mapping>
    <identity value="rim"/>
    <uri value="http://hl7.org/v3"/>
    <name value="RIM Mapping"/>
  </mapping>
  <kind value="logical"/>
  <abstract value="false"/>
  <type value="v2DataTypeDefinition"/>
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Base"/>
  <derivation value="specialization"/>
  <snapshot>
    <element id="v2DataTypeDefinition">
      <path value="v2DataTypeDefinition"/>
      <short value="Base for all types and resources"/>
      <definition
                  value="Base definition for all types defined in FHIR type system."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Base"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <isModifier value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="v2DataTypeDefinition.code">
      <path value="v2DataTypeDefinition.code"/>
      <short value="This is the two or three letter code for the data type."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="v2DataTypeDefinition.code"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/string"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element id="v2DataTypeDefinition.title">
      <path value="v2DataTypeDefinition.title"/>
      <short value="This is a short human readable text for this data type."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="v2DataTypeDefinition.title"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/string"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element id="v2DataTypeDefinition.description">
      <path value="v2DataTypeDefinition.description"/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="v2DataTypeDefinition.description"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Narrative"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Narrative"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.withdrawn">
      <path value="v2DataTypeDefinition.withdrawn"/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="v2DataTypeDefinition.withdrawn"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="boolean"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/boolean"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.completeExample">
      <path value="v2DataTypeDefinition.completeExample"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="v2DataTypeDefinition.completeExample"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Narrative"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Narrative"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.component">
      <path value="v2DataTypeDefinition.component"/>
      <min value="1"/>
      <max value="*"/>
      <base>
        <path value="v2DataTypeDefinition.component"/>
        <min value="1"/>
        <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())"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
    </element>
    <element id="v2DataTypeDefinition.component.id">
      <path value="v2DataTypeDefinition.component.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="id"/>
        </extension>
        <code value="http://hl7.org/fhirpath/System.String"/>
      </type>
      <condition value="ele-1"/>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="v2DataTypeDefinition.component.extension">
      <path value="v2DataTypeDefinition.component.extension"/>
      <slicing>
        <discriminator>
          <type value="value"/>
          <path value="url"/>
        </discriminator>
        <description value="Extensions are always sliced by (at least) url"/>
        <rules value="open"/>
      </slicing>
      <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 managable, 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())"/>
        <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()"/>
        <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="v2DataTypeDefinition.component.modifierExtension">
      <path value="v2DataTypeDefinition.component.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 managable, 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/R5/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())"/>
        <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()"/>
        <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="v2DataTypeDefinition.component.sequenceNumber">
      <path value="v2DataTypeDefinition.component.sequenceNumber"/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="v2DataTypeDefinition.component.sequenceNumber"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="positiveInt"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/positiveInt"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element id="v2DataTypeDefinition.component.element[x]">
      <path value="v2DataTypeDefinition.component.element[x]"/>
      <short
             value="Either a simple datatype, or a complext one as a reference."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="v2DataTypeDefinition.component.element[x]"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element id="v2DataTypeDefinition.component.definition">
      <path value="v2DataTypeDefinition.component.definition"/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="v2DataTypeDefinition.component.definition"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Narrative"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Narrative"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.component.implement">
      <path value="v2DataTypeDefinition.component.implement"/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="v2DataTypeDefinition.component.implement"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="CodeableConcept"/>
      </type>
      <binding>
        <strength value="required"/>
        <valueSet value="v2plus-implement"/>
      </binding>
    </element>
    <element id="v2DataTypeDefinition.component.minLength">
      <path value="v2DataTypeDefinition.component.minLength"/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="v2DataTypeDefinition.component.minLength"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="integer"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/integer"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.component.maxLength">
      <path value="v2DataTypeDefinition.component.maxLength"/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="v2DataTypeDefinition.component.maxLength"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="integer"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/integer"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.component.confLength">
      <path value="v2DataTypeDefinition.component.confLength"/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="v2DataTypeDefinition.component.confLength"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="integer"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/integer"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.component.mayTruncate">
      <path value="v2DataTypeDefinition.component.mayTruncate"/>
      <short
             value="indicates whether this information can be truncated. Default value is false."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="v2DataTypeDefinition.component.mayTruncate"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="boolean"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/boolean"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.component.exampleValue">
      <path value="v2DataTypeDefinition.component.exampleValue"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="v2DataTypeDefinition.component.exampleValue"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="string"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/string"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.component.comments">
      <path value="v2DataTypeDefinition.component.comments"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="v2DataTypeDefinition.component.comments"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="string"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/string"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.component.usageNotes">
      <path value="v2DataTypeDefinition.component.usageNotes"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="v2DataTypeDefinition.component.usageNotes"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="string"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/string"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.component.requirements">
      <path value="v2DataTypeDefinition.component.requirements"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="v2DataTypeDefinition.component.requirements"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="string"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/string"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.component.binding">
      <path value="v2DataTypeDefinition.component.binding"/>
      <short value="Bound value set"/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="v2DataTypeDefinition.component.binding"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="canonical"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/ValueSet"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.component.mayRepeat">
      <path value="v2DataTypeDefinition.component.mayRepeat"/>
      <short
             value="indicates that this field may repeat if defined as such, and if occuring as last. Default value is false."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="v2DataTypeDefinition.component.mayRepeat"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="boolean"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/boolean"/>
      </type>
    </element>
  </snapshot>
  <differential>
    <element id="v2DataTypeDefinition">
      <path value="v2DataTypeDefinition"/>
    </element>
    <element id="v2DataTypeDefinition.code">
      <path value="v2DataTypeDefinition.code"/>
      <short value="This is the two or three letter code for the data type."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="string"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/string"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element id="v2DataTypeDefinition.title">
      <path value="v2DataTypeDefinition.title"/>
      <short value="This is a short human readable text for this data type."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="string"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/string"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element id="v2DataTypeDefinition.description">
      <path value="v2DataTypeDefinition.description"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="Narrative"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Narrative"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.withdrawn">
      <path value="v2DataTypeDefinition.withdrawn"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="boolean"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/boolean"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.completeExample">
      <path value="v2DataTypeDefinition.completeExample"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="Narrative"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Narrative"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.component">
      <path value="v2DataTypeDefinition.component"/>
      <min value="1"/>
      <max value="*"/>
      <type>
        <code value="BackboneElement"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.component.sequenceNumber">
      <path value="v2DataTypeDefinition.component.sequenceNumber"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="positiveInt"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/positiveInt"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element id="v2DataTypeDefinition.component.element[x]">
      <path value="v2DataTypeDefinition.component.element[x]"/>
      <short
             value="Either a simple datatype, or a complext one as a reference."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="string"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element id="v2DataTypeDefinition.component.definition">
      <path value="v2DataTypeDefinition.component.definition"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="Narrative"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Narrative"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.component.implement">
      <path value="v2DataTypeDefinition.component.implement"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="CodeableConcept"/>
      </type>
      <binding>
        <strength value="required"/>
        <valueSet value="v2plus-implement"/>
      </binding>
    </element>
    <element id="v2DataTypeDefinition.component.minLength">
      <path value="v2DataTypeDefinition.component.minLength"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="integer"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/integer"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.component.maxLength">
      <path value="v2DataTypeDefinition.component.maxLength"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="integer"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/integer"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.component.confLength">
      <path value="v2DataTypeDefinition.component.confLength"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="integer"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/integer"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.component.mayTruncate">
      <path value="v2DataTypeDefinition.component.mayTruncate"/>
      <short
             value="indicates whether this information can be truncated. Default value is false."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="boolean"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/boolean"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.component.exampleValue">
      <path value="v2DataTypeDefinition.component.exampleValue"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="string"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/string"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.component.comments">
      <path value="v2DataTypeDefinition.component.comments"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="string"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/string"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.component.usageNotes">
      <path value="v2DataTypeDefinition.component.usageNotes"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="string"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/string"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.component.requirements">
      <path value="v2DataTypeDefinition.component.requirements"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="string"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/string"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.component.binding">
      <path value="v2DataTypeDefinition.component.binding"/>
      <short value="Bound value set"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="canonical"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/ValueSet"/>
      </type>
    </element>
    <element id="v2DataTypeDefinition.component.mayRepeat">
      <path value="v2DataTypeDefinition.component.mayRepeat"/>
      <short
             value="indicates that this field may repeat if defined as such, and if occuring as last. Default value is false."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="boolean"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/boolean"/>
      </type>
    </element>
  </differential>
</StructureDefinition>