Clinical Document Architecture - Local Development build (v2.0.1-sd-202510-matchbox-patch) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions
XML representation of the ST-r2b data type profile.
<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="ST-r2b"/>
  <language value="en"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml">
      <p>A character string data type variant (ST-r2b) that uses a value attribute rather than element content. This datatype is primarily used to handle version numbers and other string values in CDA documents where the data is stored as an XML attribute.</p>
    </div>
  </text>
  <extension
             url="http://hl7.org/fhir/tools/StructureDefinition/logical-target">
    <valueBoolean>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/data-absent-reason">
        <valueCode value="not-applicable"/>
      </extension>
    </valueBoolean>
  </extension>
  <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/xml-name">
    <valueString value="ST.r2b"/>
  </extension>
  <extension
             url="http://hl7.org/fhir/tools/StructureDefinition/logical-container">
    <valueUri
              value="http://hl7.org/cda/stds/core/StructureDefinition/ClinicalDocument"/>
  </extension>
  <url value="http://hl7.org/cda/stds/core/StructureDefinition/ST-r2b"/>
  <version value="2.0.0-sd-202510-matchbox-patch"/>
  <name value="ST-r2b"/>
  <title value="ST-r2b: CharacterString with Value Attribute (V3 Data Type)"/>
  <status value="active"/>
  <experimental value="false"/>
  <date value="2025-10-28T21:58:07+01:00"/>
  <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 character string data type variant that uses a value attribute rather than element content. This datatype is primarily used to handle version numbers and other string values in CDA documents where the data is stored as an XML attribute."/>
  <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="http://hl7.org/cda/stds/core/StructureDefinition/ST-r2b"/>
  <baseDefinition
                  value="http://hl7.org/cda/stds/core/StructureDefinition/ANY"/>
  <derivation value="specialization"/>
  <snapshot>
    <extension
               url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version">
      <valueString value="2.0.0-sd-202510-matchbox-patch"/>
    </extension>
    <element id="ST-r2b">
      <path value="ST-r2b"/>
      <short value="Base for all types and resources"/>
      <definition
                  value="A character string data type variant that uses a value attribute rather than element content."/>
      <min value="1"/>
      <max value="*"/>
      <base>
        <path value="Base"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <constraint>
        <key value="value-null"/>
        <severity value="error"/>
        <human
               value="value and nullFlavor are mutually exclusive (one must be present)"/>
        <expression value="(value | nullFlavor).count() = 1"/>
      </constraint>
      <isModifier value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="ST-r2b.nullFlavor">
      <path value="ST-r2b.nullFlavor"/>
      <representation value="xmlAttr"/>
      <label value="Exceptional Value Detail"/>
      <definition
                  value="If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ANY.nullFlavor"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
        <profile
                 value="http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"/>
      </type>
      <binding>
        <strength value="required"/>
        <valueSet
                  value="http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"/>
      </binding>
    </element>
    <element id="ST-r2b.value">
      <path value="ST-r2b.value"/>
      <representation value="xmlAttr"/>
      <label value="Value"/>
      <definition
                  value="The string value stored as an XML attribute rather than element content."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ST-r2b.value"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
        <profile
                 value="http://hl7.org/cda/stds/core/StructureDefinition/st-simple"/>
      </type>
    </element>
  </snapshot>
  <differential>
    <element id="ST-r2b">
      <path value="ST-r2b"/>
      <definition
                  value="A character string data type variant that uses a value attribute rather than element content."/>
      <min value="1"/>
      <max value="*"/>
      <constraint>
        <key value="value-null"/>
        <severity value="error"/>
        <human
               value="value and nullFlavor are mutually exclusive (one must be present)"/>
        <expression value="(value | nullFlavor).count() = 1"/>
      </constraint>
    </element>
    <element id="ST-r2b.value">
      <path value="ST-r2b.value"/>
      <representation value="xmlAttr"/>
      <label value="Value"/>
      <definition
                  value="The string value stored as an XML attribute rather than element content."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="string"/>
        <profile
                 value="http://hl7.org/cda/stds/core/StructureDefinition/st-simple"/>
      </type>
    </element>
  </differential>
</StructureDefinition>