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 - TTL Representation

Draft as of 2025-03-26

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@prefix fhir: <http://hl7.org/fhir/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

# - resource -------------------------------------------------------------------

 a fhir:CodeSystem ;
  fhir:nodeRole fhir:treeRoot ;
  fhir:id [ fhir:v "dicom-modality-lut-and-rescale-types"] ; # 
  fhir:text [
fhir:status [ fhir:v "generated" ] ;
fhir:div "<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>"^^rdf:XMLLiteral
  ] ; # 
  fhir:extension ( [
fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"^^xsd:anyURI ] ;
fhir:value [
a fhir:code ;
fhir:v "ii"     ]
  ] ) ; # 
  fhir:url [ fhir:v "http://hl7.org/fhir/uv/imaging-service-request-ig/CodeSystem/dicom-modality-lut-and-rescale-types"^^xsd:anyURI] ; # 
  fhir:version [ fhir:v "0.1.0"] ; # 
  fhir:name [ fhir:v "DICOMModalityLUTAndRescaleTypes"] ; # 
  fhir:title [ fhir:v "DICOM® Modality LUT and Rescale Types"] ; # 
  fhir:status [ fhir:v "draft"] ; # 
  fhir:experimental [ fhir:v false] ; # 
  fhir:date [ fhir:v "2025-03-26T19:32:53+00:00"^^xsd:dateTime] ; # 
  fhir:publisher [ fhir:v "HL7 International / Imaging Integration"] ; # 
  fhir:contact ( [
    ( fhir:telecom [
fhir:system [ fhir:v "url" ] ;
fhir:value [ fhir:v "http://www.hl7.org/Special/committees/imagemgt/index.cfm" ]     ] )
  ] [
fhir:name [ fhir:v "HL7 International / Imaging Integration" ] ;
    ( fhir:telecom [
fhir:system [ fhir:v "url" ] ;
fhir:value [ fhir:v "http://www.hl7.org/Special/committees/imagemgt/index.cfm" ]     ] )
  ] [
fhir:name [ fhir:v "Jonathan Whitby" ] ;
    ( fhir:telecom [
fhir:system [ fhir:v "email" ] ;
fhir:value [ fhir:v "jonathan.whitby@mi.medical.canon" ]     ] )
  ] [
fhir:name [ fhir:v "Brian Bialecki" ] ;
    ( fhir:telecom [
fhir:system [ fhir:v "email" ] ;
fhir:value [ fhir:v "bbialecki@acr.org" ]     ] )
  ] [
fhir:name [ fhir:v "Bas van den Heuvel" ] ;
    ( fhir:telecom [
fhir:system [ fhir:v "email" ] ;
fhir:value [ fhir:v "bas.van.den.heuvel@philips.com" ]     ] )
  ] ) ; # 
  fhir:description [ fhir:v "DICOM® Modality LUT and Rescale Types extracted from DICOM PS3.6 C.11.1.1.2."] ; # 
  fhir:jurisdiction ( [
    ( fhir:coding [
fhir:system [ fhir:v "http://unstats.un.org/unsd/methods/m49/m49.htm"^^xsd:anyURI ] ;
fhir:code [ fhir:v "001" ]     ] )
  ] ) ; # 
  fhir:caseSensitive [ fhir:v true] ; # 
  fhir:content [ fhir:v "complete"] ; # 
  fhir:count [ fhir:v "9"^^xsd:nonNegativeInteger] ; # 
  fhir:concept ( [
fhir:code [ fhir:v "OD" ] ;
fhir:display [ fhir:v "OD" ] ;
fhir:definition [ fhir:v "The number in the LUT represents thousands of optical density. That is, a value of 2140 represents an optical density of 2.140." ]
  ] [
fhir:code [ fhir:v "HU" ] ;
fhir:display [ fhir:v "HU" ] ;
fhir:definition [ fhir:v "Hounsfield Units (CT)" ]
  ] [
fhir:code [ fhir:v "US" ] ;
fhir:display [ fhir:v "US" ] ;
fhir:definition [ fhir:v "Unspecified" ]
  ] [
fhir:code [ fhir:v "MGML" ] ;
fhir:display [ fhir:v "MGML" ] ;
fhir:definition [ fhir:v "mg/ml" ]
  ] [
fhir:code [ fhir:v "Z_EFF" ] ;
fhir:display [ fhir:v "Z_EFF" ] ;
fhir:definition [ fhir:v "Effective Atomic Number (i.e., Effective-Z)" ]
  ] [
fhir:code [ fhir:v "ED" ] ;
fhir:display [ fhir:v "ED" ] ;
fhir:definition [ fhir:v "Electron density in 1023 electrons/ml" ]
  ] [
fhir:code [ fhir:v "EDW" ] ;
fhir:display [ fhir:v "EDW" ] ;
fhir:definition [ fhir:v "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." ]
  ] [
fhir:code [ fhir:v "HU_MOD" ] ;
fhir:display [ fhir:v "HU_MOD" ] ;
fhir:definition [ fhir:v "Modified Hounsfield Unit" ]
  ] [
fhir:code [ fhir:v "PCT" ] ;
fhir:display [ fhir:v "PCT" ] ;
fhir:definition [ fhir:v "Percentage (%)" ]
  ] ) . #