PROTECT-CHILD Pediatric Transplant Data Implementation Guide, published by Protect Child. This guide is not an authorized publication; it is the continuous build for version 0.1.0-ci-build built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/hl7-eu/protect-child/ and changes regularly. See the Directory of published versions

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• TTL

: Banff C4d Score CodeSystem - TTL Representation

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

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

<http://hl7.org/fhir/CodeSystem/banff-c4d-score-cs> a fhir:CodeSystem ;
  fhir:nodeRole fhir:treeRoot ;
  fhir:Resource.id [ fhir:value "banff-c4d-score-cs"] ;
  fhir:DomainResource.text [
     fhir:Narrative.status [ fhir:value "generated" ] ;
     fhir:Narrative.div "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem banff-c4d-score-cs</b></p><a name=\"banff-c4d-score-cs\"> </a><a name=\"hcbanff-c4d-score-cs\"> </a><p>This case-sensitive code system <code>https://hl7.eu/fhir/ig/hl7.eu.fhir.protect-child/CodeSystem/banff-c4d-score-cs</code> defines the following codes:</p><table class=\"codes\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style=\"white-space:nowrap\">c4d-0<a name=\"banff-c4d-score-cs-c4d-0\"> </a></td><td>C4d0 – negative (0%)</td><td>No C4d staining (Banff C4d0, negative): 0% of peritubular capillaries (kidney) or portal tracts (liver).</td></tr><tr><td style=\"white-space:nowrap\">c4d-1<a name=\"banff-c4d-score-cs-c4d-1\"> </a></td><td>C4d1 – minimal (&lt;10%)</td><td>Minimal C4d staining (Banff C4d1): under 10% of peritubular capillaries (kidney) or portal tracts (liver).</td></tr><tr><td style=\"white-space:nowrap\">c4d-2<a name=\"banff-c4d-score-cs-c4d-2\"> </a></td><td>C4d2 – focal (10–50%)</td><td>Focal C4d staining (Banff C4d2): 10–50% of peritubular capillaries (kidney) or portal tracts (liver).</td></tr><tr><td style=\"white-space:nowrap\">c4d-3<a name=\"banff-c4d-score-cs-c4d-3\"> </a></td><td>C4d3 – diffuse (&gt;50%)</td><td>Diffuse C4d staining (Banff C4d3): over 50% of peritubular capillaries (kidney) or portal tracts (liver).</td></tr></table></div>"
  ] ;
  fhir:CodeSystem.url [ fhir:value "https://hl7.eu/fhir/ig/hl7.eu.fhir.protect-child/CodeSystem/banff-c4d-score-cs"] ;
  fhir:CodeSystem.version [ fhir:value "0.1.0-ci-build"] ;
  fhir:CodeSystem.name [ fhir:value "BanffC4dScoreCS"] ;
  fhir:CodeSystem.title [ fhir:value "Banff C4d Score CodeSystem"] ;
  fhir:CodeSystem.status [ fhir:value "draft"] ;
  fhir:CodeSystem.experimental [ fhir:value "true"^^xsd:boolean] ;
  fhir:CodeSystem.date [ fhir:value "2026-09-28T06:51:47+00:00"^^xsd:dateTime] ;
  fhir:CodeSystem.publisher [ fhir:value "Protect Child"] ;
  fhir:CodeSystem.contact [
     fhir:index 0 ;
     fhir:ContactDetail.name [ fhir:value "Protect Child" ] ;
     fhir:ContactDetail.telecom [
       fhir:index 0 ;
       fhir:ContactPoint.system [ fhir:value "url" ] ;
       fhir:ContactPoint.value [ fhir:value "https://protect-child.eu/" ]
     ]
  ] ;
  fhir:CodeSystem.description [ fhir:value "Banff C4d score: the extent of C4d staining in peritubular capillaries (kidney) or the portal microvasculature (liver). The DMv1.2 boolean ihc_if_c4d maps to c4d-0 (false) or c4d-1..c4d-3 (true)."] ;
  fhir:CodeSystem.caseSensitive [ fhir:value "true"^^xsd:boolean] ;
  fhir:CodeSystem.content [ fhir:value "complete"] ;
  fhir:CodeSystem.count [ fhir:value "4"^^xsd:nonNegativeInteger] ;
  fhir:CodeSystem.concept [
     fhir:index 0 ;
     fhir:CodeSystem.concept.code [ fhir:value "c4d-0" ] ;
     fhir:CodeSystem.concept.display [ fhir:value "C4d0 – negative (0%)" ] ;
     fhir:CodeSystem.concept.definition [ fhir:value "No C4d staining (Banff C4d0, negative): 0% of peritubular capillaries (kidney) or portal tracts (liver)." ]
  ], [
     fhir:index 1 ;
     fhir:CodeSystem.concept.code [ fhir:value "c4d-1" ] ;
     fhir:CodeSystem.concept.display [ fhir:value "C4d1 – minimal (<10%)" ] ;
     fhir:CodeSystem.concept.definition [ fhir:value "Minimal C4d staining (Banff C4d1): under 10% of peritubular capillaries (kidney) or portal tracts (liver)." ]
  ], [
     fhir:index 2 ;
     fhir:CodeSystem.concept.code [ fhir:value "c4d-2" ] ;
     fhir:CodeSystem.concept.display [ fhir:value "C4d2 – focal (10–50%)" ] ;
     fhir:CodeSystem.concept.definition [ fhir:value "Focal C4d staining (Banff C4d2): 10–50% of peritubular capillaries (kidney) or portal tracts (liver)." ]
  ], [
     fhir:index 3 ;
     fhir:CodeSystem.concept.code [ fhir:value "c4d-3" ] ;
     fhir:CodeSystem.concept.display [ fhir:value "C4d3 – diffuse (>50%)" ] ;
     fhir:CodeSystem.concept.definition [ fhir:value "Diffuse C4d staining (Banff C4d3): over 50% of peritubular capillaries (kidney) or portal tracts (liver)." ]
  ] .

# - ontology header ------------------------------------------------------------

<http://hl7.org/fhir/CodeSystem/banff-c4d-score-cs.ttl> a owl:Ontology ;
  owl:imports fhir:fhir.ttl ;
  owl:versionIRI <http://build.fhir.org/CodeSystem/banff-c4d-score-cs.ttl> .