Evidence Based Medicine on FHIR Implementation Guide, published by HL7 International / Clinical Decision Support. This guide is not an authorized publication; it is the continuous build for version 1.0.0-ballot2 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/ebm/ and changes regularly. See the Directory of published versions

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: VariableDefinition: Unit - XML Representation

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<EvidenceVariable xmlns="http://hl7.org/fhir">
  <id value="346297"/>
  <meta>
    <versionId value="4"/>
    <lastUpdated value="2025-03-11T17:44:45.731Z"/>
    <profile
             value="http://hl7.org/fhir/uv/ebm/StructureDefinition/variable-definition"/>
  </meta>
  <text>
    <status value="empty"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p>[No data.]</p></div>
  </text>
  <extension
             url="http://hl7.org/fhir/uv/ebm/StructureDefinition/evidence-variable-classifier">
    <valueCodeableConcept>
      <text value="clinical_data"/>
    </valueCodeableConcept>
  </extension>
  <extension
             url="http://hl7.org/fhir/uv/ebm/StructureDefinition/evidence-variable-data-storage">
    <extension url="datatype">
      <valueCodeableConcept>
        <coding>
          <system value="http://hl7.org/fhir/fhir-types"/>
          <code value="string"/>
          <display value="string"/>
        </coding>
      </valueCodeableConcept>
    </extension>
  </extension>
  <extension url="http://hl7.org/fhir/uv/ebm/StructureDefinition/relates-to">
    <extension url="type">
      <valueCode value="part-of"/>
    </extension>
    <extension url="targetReference">
      <valueReference>🔗 
        <reference value="Composition/342828"/>
        <type value="Composition"/>
      </valueReference>
    </extension>
  </extension>
  <extension url="http://hl7.org/fhir/uv/ebm/StructureDefinition/relates-to">
    <extension url="type">
      <valueCode value="cite-as"/>
    </extension>
    <extension url="targetMarkdown">
      <valueMarkdown
                     value="VariableDefinition: Unit [Database Entry: FHIR EvidenceVariable Resource]. Contributors: Matthias Löbe [Authors/Creators]. In: Fast Evidence Interoperability Resources (FEvIR) Platform, FOI 346297. Revised 2025-03-10. Available at: https://fevir.net/resources/EvidenceVariable/346297. Computable resource at: https://fevir.net/resources/EvidenceVariable/346297#json."/>
    </extension>
  </extension>
  <extension url="http://hl7.org/fhir/uv/ebm/StructureDefinition/relates-to">
    <extension url="type">
      <valueCode value="derived-from"/>
    </extension>
    <extension url="targetReference">
      <valueReference>🔗 
        <reference value="EvidenceVariable/342830"/>
        <type value="EvidenceVariable"/>
        <display value="VariableDefinition: Gender"/>
      </valueReference>
    </extension>
  </extension>
  <url value="https://fevir.net/resources/EvidenceVariable/346297"/>
  <identifier>
    <type>
      <coding>
        <system value="http://terminology.hl7.org/CodeSystem/v2-0203"/>
        <code value="ACSN"/>
        <display value="Accession ID"/>
      </coding>
      <text value="FEvIR Object Identifier"/>
    </type>
    <system value="urn:ietf:rfc:3986"/>
    <value value="https://fevir.net/FOI/346297"/>
    <assigner>
      <display value="Computable Publishing LLC"/>
    </assigner>
  </identifier>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.40.44.24.114"/>
  </identifier>
  <version value="1.0.0-ballot2"/>
  <name value="Ntprobnp_unit"/>
  <title value="VariableDefinition: Unit"/>
  <status value="active"/>
  <date value="2025-03-27T17:53:24+00:00"/>
  <publisher value="HL7 International / Clinical Decision Support"/>
  <contact>
    <name value="HL7 International / Clinical Decision Support"/>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org/Special/committees/dss"/>
    </telecom>
  </contact>
  <description
               value="Unit of measurement of the NTproBNP measurement. (Example of VariableDefinition Profile for use with a Research Study Data Dictionary)"/>
  <copyright value="https://creativecommons.org/licenses/by-nc-sa/4.0/"/>
  <author>
    <name value="Matthias Löbe"/>
  </author>
  <actual value="true"/>
  <handling value="polychotomous"/>
  <category>
    <name value="ng/l"/>
    <valueCodeableConcept>
      <coding>
        <system value="http://example.com/codelists/CL_ntprobnp_unit"/>
        <code value="ng_L"/>
      </coding>
    </valueCodeableConcept>
  </category>
  <category>
    <name value="pmol/l"/>
    <valueCodeableConcept>
      <coding>
        <system value="http://example.com/codelists/CL_ntprobnp_unit"/>
        <code value="pmol_L"/>
      </coding>
    </valueCodeableConcept>
  </category>
  <category>
    <name value="pg/ml"/>
    <valueCodeableConcept>
      <coding>
        <system value="http://example.com/codelists/CL_ntprobnp_unit"/>
        <code value="pg_mL"/>
      </coding>
    </valueCodeableConcept>
  </category>
</EvidenceVariable>