HL7 v2.5.1 Vocabulary
0.1.0 - ci-build

HL7 v2.5.1 Vocabulary, published by HL7/FO. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/frankoemig/hl7.v2.terminology.v251/ and changes regularly. See the Directory of published versions

## : Modality (2.5.1 - 1.0.0) - XML Representation

Active as of 2026-01-27

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    <CodeSystem xmlns="http://hl7.org/fhir">
      <id value="modality"/>
      <text>
        <status value="generated"/>
        <div xmlns="http://www.w3.org/1999/xhtml"><ul><li>Include all codes defined in <a href="CodeSystem-modality.html"><code>http://terminology.hl7.org/v2plusvocab/CodeSystem/modality</code></a></li></ul></div>
      </text>
      <extension
                 url="http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-v2versionCreated">
        <valueString value="2.5.1"/>
      </extension>
      <extension
                 url="http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-versionHistory">
        <valueString value="generate correct history somehow"/>
      </extension>
      <extension
                 url="http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-tableNo">
        <valueString value="0259"/>
      </extension>
      <url value="http://terminology.hl7.org/v2plusvocab/CodeSystem/modality"/>
      <identifier>
        <system value="urn:ietf:rfc:3986"/>
        <value value="urn:oid:2.16.840.1.113883.18.154"/>
      </identifier>
      <version value="1.0.0"/>
      <name value="Modality"/>
      <title value="Modality (2.5.1 - 1.0.0)"/>
      <status value="active"/>
      <experimental value="true"/>
      <date value="2026-01-27T19:29:18+00:00"/>
      <publisher value="HL7/FO"/>
      <contact>
        <name value="HL7/FO"/>
        <telecom>
          <system value="url"/>
          <value value="http://www.hl7.org"/>
        </telecom>
      </contact>
      <description
                   value="Code system of concepts used to define the imaging apparatus expected to be used to acquire an observation.  This table has been removed from the standard as of 2.7 in favor of table 0910.  Used in HL7 Version 2.x messaging in the OM1 segment."/>
      <copyright value="HL7 Inc., 2026"/>
      <caseSensitive value="true"/>
      <compositional value="false"/>
      <content value="complete"/>
      <property>
        <code value="versionIntroduced"/>
        <uri
             value="http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionIntroduced"/>
        <description value="version when was this code introduced"/>
        <type value="string"/>
      </property>
      <property>
        <code value="versionDeprecated"/>
        <uri
             value="http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionDeprecated"/>
        <description value="version when was this code deprecated"/>
        <type value="string"/>
      </property>
      <property>
        <code value="status"/>
        <uri value="http://hl7.org/fhir/concept-properties#status"/>
        <description
                     value="A code that indicates the status of the concept. Typical values are active, experimental, deprecated, and retired"/>
        <type value="code"/>
      </property>
      <property>
        <code value="comment"/>
        <uri
             value="http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#comment"/>
        <description
                     value="A string that provides additional detail pertinent to the use or understanding of the concept"/>
        <type value="string"/>
      </property>
      <property>
        <code value="usage"/>
        <uri
             value="http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#usage"/>
        <description value="usage notes for this code"/>
        <type value="string"/>
      </property>
      <property>
        <code value="modified"/>
        <uri
             value="http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#modified"/>
        <description value="date of last modification"/>
        <type value="dateTime"/>
      </property>
      <concept>
        <code value="AS"/>
        <display value="Angioscopy"/>
        <definition value="Angioscopy"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="BS"/>
        <display value="Biomagnetic imaging"/>
        <definition value="Biomagnetic imaging"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="CD"/>
        <display value="Color flow Doppler"/>
        <definition value="Color flow Doppler"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="CP"/>
        <display value="Colposcopy"/>
        <definition value="Colposcopy"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="CR"/>
        <display value="Computed radiography"/>
        <definition value="Computed radiography"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="CS"/>
        <display value="Cystoscopy"/>
        <definition value="Cystoscopy"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="CT"/>
        <display value="Computed tomography"/>
        <definition value="Computed tomography"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="DD"/>
        <display value="Duplex Doppler"/>
        <definition value="Duplex Doppler"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="DG"/>
        <display value="Diapanography"/>
        <definition value="Diapanography"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="DM"/>
        <display value="Digital microscopy"/>
        <definition value="Digital microscopy"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="EC"/>
        <display value="Echocardiography"/>
        <definition value="Echocardiography"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="ES"/>
        <display value="Endoscopy"/>
        <definition value="Endoscopy"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="FA"/>
        <display value="Fluorescein angiography"/>
        <definition value="Fluorescein angiography"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="FS"/>
        <display value="Fundoscopy"/>
        <definition value="Fundoscopy"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="LP"/>
        <display value="Laparoscopy"/>
        <definition value="Laparoscopy"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="LS"/>
        <display value="Laser surface scan"/>
        <definition value="Laser surface scan"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="MA"/>
        <display value="Magnetic resonance angiography"/>
        <definition value="Magnetic resonance angiography"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="MS"/>
        <display value="Magnetic resonance spectroscopy"/>
        <definition value="Magnetic resonance spectroscopy"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="NM"/>
        <display value="Nuclear Medicine (radioisotope study)"/>
        <definition value="Nuclear Medicine (radioisotope study)"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="OT"/>
        <display value="Other"/>
        <definition value="Other"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="PT"/>
        <display value="Positron emission tomography (PET)"/>
        <definition value="Positron emission tomography (PET)"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="RF"/>
        <display value="Radio fluoroscopy"/>
        <definition value="Radio fluoroscopy"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="ST"/>
        <display value="Single photon emission computed tomography (SPECT)"/>
        <definition value="Single photon emission computed tomography (SPECT)"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="TG"/>
        <display value="Thermography"/>
        <definition value="Thermography"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="US"/>
        <display value="Ultrasound"/>
        <definition value="Ultrasound"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="XA"/>
        <display value="X-ray Angiography"/>
        <definition value="X-ray Angiography"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
    </CodeSystem>