WHO Digital Documentation of COVID-19 Certificates (DDCC)
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WHO Digital Documentation of COVID-19 Certificates (DDCC), published by WHO. This guide is not an authorized publication; it is the continuous build for version 1.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/WorldHealthOrganization/ddcc/tree/main and changes regularly. See the Directory of published versions
Built from commit 6d9c2761.

: DIVOC lab test result codes used in this IG - TTL Representation

Draft as of 2026-09-05

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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/WHODDCCdivoclabtestresult> a fhir:CodeSystem ;
  fhir:nodeRole fhir:treeRoot ;
  fhir:Resource.id [ fhir:value "WHODDCCdivoclabtestresult"] ;
  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 WHODDCCdivoclabtestresult</b></p><a name=\"WHODDCCdivoclabtestresult\"> </a><a name=\"hcWHODDCCdivoclabtestresult\"> </a><p>This case-sensitive code system <code>http://smart.who.int/ddcc/CodeSystem/WHODDCCdivoclabtestresult</code> defines the following codes:</p><table class=\"codes\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td></tr><tr><td style=\"white-space:nowrap\">Negative<a name=\"WHODDCCdivoclabtestresult-Negative\"> </a></td><td>Negative</td></tr><tr><td style=\"white-space:nowrap\">Positive<a name=\"WHODDCCdivoclabtestresult-Positive\"> </a></td><td>Positive</td></tr><tr><td style=\"white-space:nowrap\">Inconclusive<a name=\"WHODDCCdivoclabtestresult-Inconclusive\"> </a></td><td>Inconclusive</td></tr><tr><td style=\"white-space:nowrap\">Void<a name=\"WHODDCCdivoclabtestresult-Void\"> </a></td><td>Void</td></tr><tr><td style=\"white-space:nowrap\">negative<a name=\"WHODDCCdivoclabtestresult-negative\"> </a></td><td>Negative</td></tr><tr><td style=\"white-space:nowrap\">positive<a name=\"WHODDCCdivoclabtestresult-positive\"> </a></td><td>Positive</td></tr><tr><td style=\"white-space:nowrap\">inconclusive<a name=\"WHODDCCdivoclabtestresult-inconclusive\"> </a></td><td>Inconclusive</td></tr><tr><td style=\"white-space:nowrap\">void<a name=\"WHODDCCdivoclabtestresult-void\"> </a></td><td>Void</td></tr></table></div>"
  ] ;
  fhir:CodeSystem.url [ fhir:value "http://smart.who.int/ddcc/CodeSystem/WHODDCCdivoclabtestresult"] ;
  fhir:CodeSystem.version [ fhir:value "1.0.0"] ;
  fhir:CodeSystem.name [ fhir:value "WHODDCCdivoclabtestresult"] ;
  fhir:CodeSystem.title [ fhir:value "DIVOC lab test result codes used in this IG"] ;
  fhir:CodeSystem.status [ fhir:value "draft"] ;
  fhir:CodeSystem.experimental [ fhir:value "true"^^xsd:boolean] ;
  fhir:CodeSystem.date [ fhir:value "2026-09-05T20:45:54+00:00"^^xsd:dateTime] ;
  fhir:CodeSystem.publisher [ fhir:value "WHO"] ;
  fhir:CodeSystem.contact [
     fhir:index 0 ;
     fhir:ContactDetail.name [ fhir:value "WHO" ] ;
     fhir:ContactDetail.telecom [
       fhir:index 0 ;
       fhir:ContactPoint.system [ fhir:value "url" ] ;
       fhir:ContactPoint.value [ fhir:value "http://who.int" ]
     ]
  ] ;
  fhir:CodeSystem.description [ fhir:value "All DIVOC lab test result codes from its internally defined code system used in this IG. Provided so the FHIR server can perform expansions."] ;
  fhir:CodeSystem.jurisdiction [
     fhir:index 0 ;
     fhir:CodeableConcept.coding [
       fhir:index 0 ;
       fhir:Coding.system [ fhir:value "http://unstats.un.org/unsd/methods/m49/m49.htm" ] ;
       fhir:Coding.code [ fhir:value "001" ]
     ]
  ] ;
  fhir:CodeSystem.caseSensitive [ fhir:value "true"^^xsd:boolean] ;
  fhir:CodeSystem.content [ fhir:value "complete"] ;
  fhir:CodeSystem.count [ fhir:value "8"^^xsd:nonNegativeInteger] ;
  fhir:CodeSystem.concept [
     fhir:index 0 ;
     fhir:CodeSystem.concept.code [ fhir:value "Negative" ] ;
     fhir:CodeSystem.concept.display [ fhir:value "Negative" ]
  ], [
     fhir:index 1 ;
     fhir:CodeSystem.concept.code [ fhir:value "Positive" ] ;
     fhir:CodeSystem.concept.display [ fhir:value "Positive" ]
  ], [
     fhir:index 2 ;
     fhir:CodeSystem.concept.code [ fhir:value "Inconclusive" ] ;
     fhir:CodeSystem.concept.display [ fhir:value "Inconclusive" ]
  ], [
     fhir:index 3 ;
     fhir:CodeSystem.concept.code [ fhir:value "Void" ] ;
     fhir:CodeSystem.concept.display [ fhir:value "Void" ]
  ], [
     fhir:index 4 ;
     fhir:CodeSystem.concept.code [ fhir:value "negative" ] ;
     fhir:CodeSystem.concept.display [ fhir:value "Negative" ]
  ], [
     fhir:index 5 ;
     fhir:CodeSystem.concept.code [ fhir:value "positive" ] ;
     fhir:CodeSystem.concept.display [ fhir:value "Positive" ]
  ], [
     fhir:index 6 ;
     fhir:CodeSystem.concept.code [ fhir:value "inconclusive" ] ;
     fhir:CodeSystem.concept.display [ fhir:value "Inconclusive" ]
  ], [
     fhir:index 7 ;
     fhir:CodeSystem.concept.code [ fhir:value "void" ] ;
     fhir:CodeSystem.concept.display [ fhir:value "Void" ]
  ] .

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

<http://hl7.org/fhir/CodeSystem/WHODDCCdivoclabtestresult.ttl> a owl:Ontology ;
  owl:imports fhir:fhir.ttl ;
  owl:versionIRI <http://build.fhir.org/CodeSystem/WHODDCCdivoclabtestresult.ttl> .