HL7 Electronic Health Record System Functional Model, Release 2.1.1
2.1.1 - Normative

HL7 Electronic Health Record System Functional Model, Release 2.1.1, published by HL7 International / Electronic Health Records. This guide is not an authorized publication; it is the continuous build for version 2.1.1 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/ehrsfm-ig/ and changes regularly. See the Directory of published versions

## : TI.4 Standard Terminology and Terminology Services (Header)

Page standards status: Normative

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    <Requirements xmlns="http://hl7.org/fhir">
      <id value="EHRSFMR2-TI.4"/>
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      <language value="en"/>
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        <status value="extensions"/>
        <div xml:lang="en" xmlns="http://www.w3.org/1999/xhtml" lang="en">

        <div id="description"><b>Description <a href="https://hl7.org/fhir/versions.html#std-process" title="Informative Content" class="informative-flag">I</a>:</b> <div><p>The purpose of supporting terminology standards and services is to enable semantic interoperability. Interoperability is demonstrated by the consistency of human and machine interpretation of shared data and reports. It includes the capture and support of consistent data for templates and decision support logic.</p>
    <p>Terminology standards pertain to concepts, representations, synonyms, relationships and computable (machine-readable) definitions. Terminology services provide a common way for managing and retrieving these items, including historically correct version interpretation. Terminology services need to support legal requirements for retrospective health record information and system data.</p>
    </div></div>

        <table id="statements" class="grid dict">

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        <valueCode value="ehr"/>
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      <url value="http://hl7.org/ehrs/uv/ehrsfmr2/Requirements/EHRSFMR2-TI.4"/>
      <version value="2.1.1"/>
      <name value="TI_4_Standard_Terminology_and_Terminology_Services"/>
      <title value="TI.4 Standard Terminology and Terminology Services (Header)"/>
      <status value="active"/>
      <date value="2025-12-13T09:06:06+00:00"/>
      <publisher value="HL7 International / Electronic Health Records"/>
      <contact>
        <telecom>
          <system value="url"/>
          <value value="http://www.hl7.org/Special/committees/ehr"/>
        </telecom>
      </contact>
      <description
                   value="Support semantic interoperability through the use of standard terminologies, standard terminology models and standard terminology services."/>
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        <coding>
          <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
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      <purpose
               value="The purpose of supporting terminology standards and services is to enable semantic interoperability. Interoperability is demonstrated by the consistency of human and machine interpretation of shared data and reports. It includes the capture and support of consistent data for templates and decision support logic.

    Terminology standards pertain to concepts, representations, synonyms, relationships and computable (machine-readable) definitions. Terminology services provide a common way for managing and retrieving these items, including historically correct version interpretation. Terminology services need to support legal requirements for retrospective health record information and system data."/>
    </Requirements>