Clinical Document Architecture
2.0.1-sd - release

Clinical Document Architecture, published by Health Level 7. This guide is not an authorized publication; it is the continuous build for version 2.0.1-sd built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/CDA-core-sd/ and changes regularly. See the Directory of published versions

Logical Model: REAL - XML Profile

Active as of 2024-12-18

XML representation of the REAL logical model.

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<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="REAL"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml">
      <p>Fractional numbers. Typically used whenever quantities are measured, estimated, or computed from other real numbers. The typical representation is decimal, where the number of significant decimal digits is known as the precision. Real numbers are needed beyond integers whenever quantities of the real world are measured, estimated, or computed from other real numbers. The term &quot;Real number&quot; in this specification is used to mean that fractional values are covered without necessarily implying the full set of the mathematical real numbers.</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/logical-container">
    <valueUri
              value="http://hl7.org/cda/stds/core/StructureDefinition/ClinicalDocument"/>
  </extension>
  <url value="http://hl7.org/cda/stds/core/StructureDefinition/REAL"/>
  <version value="2.0.1-sd"/>
  <name value="REAL"/>
  <title value="REAL: RealNumber (V3 Data Type)"/>
  <status value="active"/>
  <experimental value="false"/>
  <date value="2024-12-18T02:39:25+00:00"/>
  <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="Fractional numbers. Typically used whenever quantities are measured, estimated, or computed from other real numbers. The typical representation is decimal, where the number of significant decimal digits is known as the precision."/>
  <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/REAL"/>
  <baseDefinition
                  value="http://hl7.org/cda/stds/core/StructureDefinition/QTY"/>
  <derivation value="specialization"/>
  <snapshot>
    <element id="REAL">
      <path value="REAL"/>
      <short value="Base for all types and resources"/>
      <definition
                  value="Fractional numbers. Typically used whenever quantities are measured, estimated, or computed from other real numbers. The typical representation is decimal, where the number of significant decimal digits is known as the precision. Real numbers are needed beyond integers whenever quantities of the real world are measured, estimated, or computed from other real numbers. The term &quot;Real number&quot; in this specification is used to mean that fractional values are covered without necessarily implying the full set of the mathematical real numbers."/>
      <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="REAL.nullFlavor">
      <path value="REAL.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="REAL.value">
      <path value="REAL.value"/>
      <representation value="xmlAttr"/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="REAL.value"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="decimal"/>
        <profile
                 value="http://hl7.org/cda/stds/core/StructureDefinition/real-simple"/>
      </type>
    </element>
  </snapshot>
  <differential>
    <element id="REAL">
      <path value="REAL"/>
      <definition
                  value="Fractional numbers. Typically used whenever quantities are measured, estimated, or computed from other real numbers. The typical representation is decimal, where the number of significant decimal digits is known as the precision. Real numbers are needed beyond integers whenever quantities of the real world are measured, estimated, or computed from other real numbers. The term &quot;Real number&quot; in this specification is used to mean that fractional values are covered without necessarily implying the full set of the mathematical real numbers."/>
      <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="REAL.value">
      <path value="REAL.value"/>
      <representation value="xmlAttr"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="decimal"/>
        <profile
                 value="http://hl7.org/cda/stds/core/StructureDefinition/real-simple"/>
      </type>
    </element>
  </differential>
</StructureDefinition>