FHIR Imaging ServiceRequest Profile IG
0.1.0 - ci-build International flag

FHIR Imaging ServiceRequest Profile IG, published by HL7 International / Imaging Integration. 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/HL7/imaging-service-request-ig/ and changes regularly. See the Directory of published versions

: DICOM® Modality LUT and Rescale Types - XML Representation

Draft as of 2025-03-26

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<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="dicom-modality-lut-and-rescale-types"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem dicom-modality-lut-and-rescale-types</b></p><a name="dicom-modality-lut-and-rescale-types"> </a><a name="hcdicom-modality-lut-and-rescale-types"> </a><a name="dicom-modality-lut-and-rescale-types-en-US"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/uv/imaging-service-request-ig/CodeSystem/dicom-modality-lut-and-rescale-types</code> defines the following codes:</p><table class="codes"><tr><td style="white-space:nowrap"><b>Code</b></td><td><b>Definition</b></td></tr><tr><td style="white-space:nowrap">OD<a name="dicom-modality-lut-and-rescale-types-OD"> </a></td><td>The number in the LUT represents thousands of optical density. That is, a value of 2140 represents an optical density of 2.140.</td></tr><tr><td style="white-space:nowrap">HU<a name="dicom-modality-lut-and-rescale-types-HU"> </a></td><td>Hounsfield Units (CT)</td></tr><tr><td style="white-space:nowrap">US<a name="dicom-modality-lut-and-rescale-types-US"> </a></td><td>Unspecified</td></tr><tr><td style="white-space:nowrap">MGML<a name="dicom-modality-lut-and-rescale-types-MGML"> </a></td><td>mg/ml</td></tr><tr><td style="white-space:nowrap">Z_EFF<a name="dicom-modality-lut-and-rescale-types-Z_EFF"> </a></td><td>Effective Atomic Number (i.e., Effective-Z)</td></tr><tr><td style="white-space:nowrap">ED<a name="dicom-modality-lut-and-rescale-types-ED"> </a></td><td>Electron density in 1023 electrons/ml</td></tr><tr><td style="white-space:nowrap">EDW<a name="dicom-modality-lut-and-rescale-types-EDW"> </a></td><td>Electron density normalized to water in units of N/Nw where N is number of electrons per unit volume, and Nw is number of electrons in the same unit of water at standard temperature and pressure.</td></tr><tr><td style="white-space:nowrap">HU_MOD<a name="dicom-modality-lut-and-rescale-types-HU_MOD"> </a></td><td>Modified Hounsfield Unit</td></tr><tr><td style="white-space:nowrap">PCT<a name="dicom-modality-lut-and-rescale-types-PCT"> </a></td><td>Percentage (%)</td></tr></table></div>
  </text>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="ii"/>
  </extension>
  <url
       value="http://hl7.org/fhir/uv/imaging-service-request-ig/CodeSystem/dicom-modality-lut-and-rescale-types"/>
  <version value="0.1.0"/>
  <name value="DICOMModalityLUTAndRescaleTypes"/>
  <title value="DICOM® Modality LUT and Rescale Types"/>
  <status value="draft"/>
  <experimental value="false"/>
  <date value="2025-03-26T19:32:53+00:00"/>
  <publisher value="HL7 International / Imaging Integration"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value
             value="http://www.hl7.org/Special/committees/imagemgt/index.cfm"/>
    </telecom>
  </contact>
  <contact>
    <name value="HL7 International / Imaging Integration"/>
    <telecom>
      <system value="url"/>
      <value
             value="http://www.hl7.org/Special/committees/imagemgt/index.cfm"/>
    </telecom>
  </contact>
  <contact>
    <name value="Jonathan Whitby"/>
    <telecom>
      <system value="email"/>
      <value value="jonathan.whitby@mi.medical.canon"/>
    </telecom>
  </contact>
  <contact>
    <name value="Brian Bialecki"/>
    <telecom>
      <system value="email"/>
      <value value="bbialecki@acr.org"/>
    </telecom>
  </contact>
  <contact>
    <name value="Bas van den Heuvel"/>
    <telecom>
      <system value="email"/>
      <value value="bas.van.den.heuvel@philips.com"/>
    </telecom>
  </contact>
  <description
               value="DICOM® Modality LUT and Rescale Types extracted from DICOM PS3.6 C.11.1.1.2."/>
  <jurisdiction>
    <coding>
      <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
      <code value="001"/>
    </coding>
  </jurisdiction>
  <caseSensitive value="true"/>
  <content value="complete"/>
  <count value="9"/>
  <concept>
    <code value="OD"/>
    <display value="OD"/>
    <definition
                value="The number in the LUT represents thousands of optical density. That is, a value of 2140 represents an optical density of 2.140."/>
  </concept>
  <concept>
    <code value="HU"/>
    <display value="HU"/>
    <definition value="Hounsfield Units (CT)"/>
  </concept>
  <concept>
    <code value="US"/>
    <display value="US"/>
    <definition value="Unspecified"/>
  </concept>
  <concept>
    <code value="MGML"/>
    <display value="MGML"/>
    <definition value="mg/ml"/>
  </concept>
  <concept>
    <code value="Z_EFF"/>
    <display value="Z_EFF"/>
    <definition value="Effective Atomic Number (i.e., Effective-Z)"/>
  </concept>
  <concept>
    <code value="ED"/>
    <display value="ED"/>
    <definition value="Electron density in 1023 electrons/ml"/>
  </concept>
  <concept>
    <code value="EDW"/>
    <display value="EDW"/>
    <definition
                value="Electron density normalized to water in units of N/Nw where N is number of electrons per unit volume, and Nw is number of electrons in the same unit of water at standard temperature and pressure."/>
  </concept>
  <concept>
    <code value="HU_MOD"/>
    <display value="HU_MOD"/>
    <definition value="Modified Hounsfield Unit"/>
  </concept>
  <concept>
    <code value="PCT"/>
    <display value="PCT"/>
    <definition value="Percentage (%)"/>
  </concept>
</CodeSystem>