This page is part of the CDA: Clinical Document Architecture (v2.0.0-sd-snapshot1: CDA2 Draft) based on FHIR (HL7® FHIR® Standard) v5.0.0. . For a full list of available versions, see the Directory of published versions
Data Type Profile: uid - XML Profile
XML representation of the uid data type profile.
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<StructureDefinition xmlns="http://hl7.org/fhir">
<id value="uid"/>
<text>
<status value="generated"/>
<div xmlns="http://www.w3.org/1999/xhtml">
<p>Primitive type 'uid'</p>
</div>
</text>
<extension
url="http://hl7.org/fhir/tools/StructureDefinition/xml-namespace">
<valueUri value="urn:hl7-org:v3"/>
</extension>
<extension
url="http://hl7.org/fhir/tools/StructureDefinition/logical-container">
<valueUri
value="http://hl7.org/cda/stds/core/StructureDefinition/ClinicalDocument"/>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-type-characteristics">
<valueCode value="can-bind"/>
</extension>
<url value="http://hl7.org/cda/stds/core/StructureDefinition/uid"/>
<version value="2.0.0-sd-snapshot1"/>
<name value="uid"/>
<title value="uid: Unique Identifier String"/>
<status value="active"/>
<experimental value="false"/>
<date value="2023-12-16T11:59:27-05:00"/>
<publisher value="Health Level 7"/>
<contact>
<name value="HL7 International - Structured Documents"/>
<telecom>
<system value="url"/>
<value value="http://www.hl7.org/Special/committees/structure"/>
</telecom>
<telecom>
<system value="email"/>
<value value="structdog@lists.HL7.org"/>
</telecom>
</contact>
<description
value="A unique identifier string is a character string which identifies an object in a globally unique and timeless manner. The allowable formats and values and procedures of this data type are strictly controlled by HL7. At this time, user-assigned identifiers may be certain character representations of ISO Object Identifiers (OID) and DCE Universally Unique Identifiers (UUID). HL7 also reserves the right to assign other forms of UIDs (RUID), such as mnemonic identifiers for code systems."/>
<fhirVersion value="5.0.0"/>
<kind value="primitive-type"/>
<abstract value="false"/>
<type value="string"/>
<baseDefinition value="http://hl7.org/fhir/StructureDefinition/string"/>
<derivation value="constraint"/>
<snapshot>
<element id="string">
<path value="string"/>
<short value="Primitive Type string"/>
<definition value="A sequence of Unicode characters"/>
<comment
value="Note that FHIR strings SHALL NOT exceed 1,048,576 (1024*1024) characters in size"/>
<min value="0"/>
<max value="*"/>
<base>
<path value="string"/>
<min value="0"/>
<max value="*"/>
</base>
<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() > id.count())"/>
<source value="http://hl7.org/fhir/StructureDefinition/Element"/>
</constraint>
<constraint>
<key value="uid-pattern"/>
<severity value="error"/>
<human
value="Must conform to OID (#.#.#), UUID (32 hexadecimal digits separated by hyphens), or RUID (a letter followed by any combination of letters, numbers or hyphens)"/>
<expression
value="matches('^([0-2](\\.(0|[1-9][0-9]*))+)|([0-9A-Za-z]{8}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{12})|([A-Za-z][A-Za-z0-9\\-]*)$')"/>
</constraint>
<isModifier value="false"/>
<isSummary value="false"/>
</element>
<element id="string.id">
<path value="string.id"/>
<representation value="xmlAttr"/>
<short value="xml:id (or equivalent in JSON)"/>
<definition
value="unique id for the element within a resource (for internal references)"/>
<min value="0"/>
<max value="0"/>
<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"/>
</element>
<element id="string.extension">
<path value="string.extension"/>
<short value="Extension"/>
<definition value="An Extension"/>
<min value="0"/>
<max value="0"/>
<base>
<path value="Element.extension"/>
<min value="0"/>
<max value="*"/>
</base>
<type>
<code value="Extension"/>
</type>
<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() > 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"/>
</element>
<element id="string.value">
<path value="string.value"/>
<representation value="xmlAttr"/>
<short value="Primitive value for string"/>
<definition value="The actual value"/>
<min value="0"/>
<max value="1"/>
<base>
<path value="string.value"/>
<min value="0"/>
<max value="1"/>
</base>
<type>
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
<valueUrl value="string"/>
</extension>
<extension url="http://hl7.org/fhir/StructureDefinition/regex">
<valueString value="^[\s\S]+$"/>
</extension>
<code value="http://hl7.org/fhirpath/System.String"/>
</type>
<maxLength value="1048576"/>
<isModifier value="false"/>
<isSummary value="false"/>
</element>
</snapshot>
<differential>
<element id="string">
<path value="string"/>
<constraint>
<key value="uid-pattern"/>
<severity value="error"/>
<human
value="Must conform to OID (#.#.#), UUID (32 hexadecimal digits separated by hyphens), or RUID (a letter followed by any combination of letters, numbers or hyphens)"/>
<expression
value="matches('^([0-2](\\.(0|[1-9][0-9]*))+)|([0-9A-Za-z]{8}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{12})|([A-Za-z][A-Za-z0-9\\-]*)$')"/>
</constraint>
</element>
<element id="string.id">
<path value="string.id"/>
<max value="0"/>
</element>
<element id="string.extension">
<path value="string.extension"/>
<max value="0"/>
</element>
</differential>
</StructureDefinition>
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