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.

• Narrative Content
• XML
• JSON
• TTL

: Lab Test - Qualitative Result - ICAO - TTL Representation

Draft as of 2026-09-05

Raw ttl | Download

@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/ValueSet/LabTestResultIcaoValueSet> a fhir:ValueSet ;
  fhir:nodeRole fhir:treeRoot ;
  fhir:Resource.id [ fhir:value "LabTestResultIcaoValueSet"] ;
  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: ValueSet LabTestResultIcaoValueSet</b></p><a name=\"LabTestResultIcaoValueSet\"> </a><a name=\"hcLabTestResultIcaoValueSet\"> </a><ul><li>Include these codes as defined in <code>http://smart.who.int/ddcc/CodeSystem/LabTestResultIcaoValueSet</code><span title=\"Version is not explicitly stated. No matching Code System found\"> version Not Stated (use latest from terminology server)</span><table class=\"none\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td></tr><tr><td>normal</td><td>Normal</td></tr><tr><td>abnormal</td><td>Abnormal</td></tr><tr><td>positive</td><td>Positive</td></tr><tr><td>negative</td><td>Negative</td></tr></table></li></ul></div>"
  ] ;
  fhir:ValueSet.url [ fhir:value "http://smart.who.int/ddcc/ValueSet/LabTestResultIcaoValueSet"] ;
  fhir:ValueSet.version [ fhir:value "1.0.0"] ;
  fhir:ValueSet.name [ fhir:value "LabTestResultIcaoValueSet"] ;
  fhir:ValueSet.title [ fhir:value "Lab Test - Qualitative Result - ICAO"] ;
  fhir:ValueSet.status [ fhir:value "draft"] ;
  fhir:ValueSet.experimental [ fhir:value "true"^^xsd:boolean] ;
  fhir:ValueSet.date [ fhir:value "2026-09-05T20:45:54+00:00"^^xsd:dateTime] ;
  fhir:ValueSet.publisher [ fhir:value "WHO"] ;
  fhir:ValueSet.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:ValueSet.description [ fhir:value "This is a one-time snapshot of the allowed values for lab test results in ICAO, retrieved in February 2023 from https://www.icao.int/Security/FAL/TRIP/PublishingImages/Pages/Publications/Visible%20Digital%20Seal%20for%20non-constrained%20environments%20%28VDS-NC%29.pdf. Contents may need to be updated and readers should consult the credential's documentation."] ;
  fhir:ValueSet.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:ValueSet.compose [
     fhir:ValueSet.compose.include [
       fhir:index 0 ;
       fhir:ValueSet.compose.include.system [ fhir:value "http://smart.who.int/ddcc/CodeSystem/LabTestResultIcaoValueSet" ] ;
       fhir:ValueSet.compose.include.concept [
         fhir:index 0 ;
         fhir:ValueSet.compose.include.concept.code [ fhir:value "normal" ] ;
         fhir:ValueSet.compose.include.concept.display [ fhir:value "Normal" ]
       ], [
         fhir:index 1 ;
         fhir:ValueSet.compose.include.concept.code [ fhir:value "abnormal" ] ;
         fhir:ValueSet.compose.include.concept.display [ fhir:value "Abnormal" ]
       ], [
         fhir:index 2 ;
         fhir:ValueSet.compose.include.concept.code [ fhir:value "positive" ] ;
         fhir:ValueSet.compose.include.concept.display [ fhir:value "Positive" ]
       ], [
         fhir:index 3 ;
         fhir:ValueSet.compose.include.concept.code [ fhir:value "negative" ] ;
         fhir:ValueSet.compose.include.concept.display [ fhir:value "Negative" ]
       ]
     ]
  ] .

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

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