US Core Implementation Guide, published by HL7 International / Cross-Group Projects. This guide is not an authorized publication; it is the continuous build for version 9.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/US-Core/ and changes regularly. See the Directory of published versions
| Page standards status: Informative |
@prefix fhir: <http://hl7.org/fhir/> .
@prefix loinc: <http://loinc.org/rdf#> .
@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/Observation/serum-co2> a fhir:Observation ;
fhir:nodeRole fhir:treeRoot ;
fhir:Resource.id [ fhir:value "serum-co2"] ;
fhir:Resource.meta [
fhir:Meta.lastUpdated [ fhir:value "2005-07-05T15:29:58.597000+00:00"^^xsd:dateTime ] ;
fhir:Meta.profile [
fhir:value "http://hl7.org/fhir/us/core/StructureDefinition/us-core-observation-lab|9.0.0" ;
fhir:index 0 ;
fhir:link <http://hl7.org/fhir/us/core/StructureDefinition/us-core-observation-lab|9.0.0>
]
] ;
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: Observation serum-co2</b></p><a name=\"serum-co2\"> </a><a name=\"hcserum-co2\"> </a><div style=\"display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%\"><p style=\"margin-bottom: 0px\">Last updated: 2005-07-05 15:29:58+0000</p><p style=\"margin-bottom: 0px\">Profile: <a href=\"StructureDefinition-us-core-observation-lab.html\">US Core Laboratory Result Observation Profile</a> version: 9.0.0</p></div><p><b>status</b>: Final</p><p><b>category</b>: <span title=\"Codes:{http://terminology.hl7.org/CodeSystem/observation-category laboratory}\">Laboratory</span></p><p><b>code</b>: <span title=\"Codes:{http://loinc.org 2028-9}\">Carbon Dioxide (CO2), Blood</span></p><p><b>subject</b>: <a href=\"Patient-example.html\">Amy Shaw</a></p><p><b>effective</b>: 2005-07-05</p><p><b>performer</b>: <a href=\"Practitioner-practitioner-1.html\">Dr Ronald Bone</a></p><p><b>value</b>: 24 mmol/L<span style=\"background: LightGoldenRodYellow\"> (Details: UCUM codemmol/L = 'mmol/L')</span></p><p><b>interpretation</b>: <span title=\"Codes:{http://terminology.hl7.org/CodeSystem/v3-ObservationInterpretation N}\">Normal</span></p><p><b>specimen</b>: <a href=\"Specimen-specimen-example-serum.html\">Serum specimen</a></p><h3>ReferenceRanges</h3><table class=\"grid\"><tr><td style=\"display: none\">-</td><td><b>Low</b></td><td><b>High</b></td><td><b>Type</b></td></tr><tr><td style=\"display: none\">*</td><td>22 mmol/L<span style=\"background: LightGoldenRodYellow\"> (Details: UCUM codemmol/L = 'mmol/L')</span></td><td>29 mmol/L<span style=\"background: LightGoldenRodYellow\"> (Details: UCUM codemmol/L = 'mmol/L')</span></td><td><span title=\"Codes:{http://terminology.hl7.org/CodeSystem/referencerange-meaning normal}\">Normal Range</span></td></tr></table></div>"
] ;
fhir:Observation.status [ fhir:value "final"] ;
fhir:Observation.category [
fhir:index 0 ;
fhir:CodeableConcept.coding [
fhir:index 0 ;
fhir:Coding.system [ fhir:value "http://terminology.hl7.org/CodeSystem/observation-category" ] ;
fhir:Coding.code [ fhir:value "laboratory" ] ;
fhir:Coding.display [ fhir:value "Laboratory" ]
] ;
fhir:CodeableConcept.text [ fhir:value "Laboratory" ]
] ;
fhir:Observation.code [
fhir:CodeableConcept.coding [
fhir:index 0 ;
a loinc:2028-9 ;
fhir:Coding.system [ fhir:value "http://loinc.org" ] ;
fhir:Coding.code [ fhir:value "2028-9" ] ;
fhir:Coding.display [ fhir:value "CO2 SerPl-sCnc" ]
] ;
fhir:CodeableConcept.text [ fhir:value "Carbon Dioxide (CO2), Blood" ]
] ;
fhir:Observation.subject [
fhir:link <http://hl7.org/fhir/Patient/example> ;
fhir:Reference.reference [ fhir:value "Patient/example" ] ;
fhir:Reference.display [ fhir:value "Amy Shaw" ]
] ;
fhir:Observation.effectiveDateTime [ fhir:value "2005-07-05"^^xsd:date] ;
fhir:Observation.performer [
fhir:index 0 ;
fhir:link <http://hl7.org/fhir/Practitioner/practitioner-1> ;
fhir:Reference.reference [ fhir:value "Practitioner/practitioner-1" ] ;
fhir:Reference.display [ fhir:value "Dr Ronald Bone" ]
] ;
fhir:Observation.valueQuantity [
fhir:Quantity.value [ fhir:value "24"^^xsd:decimal ] ;
fhir:Quantity.unit [ fhir:value "mmol/L" ] ;
fhir:Quantity.system [ fhir:value "http://unitsofmeasure.org" ] ;
fhir:Quantity.code [ fhir:value "mmol/L" ]
] ;
fhir:Observation.interpretation [
fhir:index 0 ;
fhir:CodeableConcept.coding [
fhir:index 0 ;
fhir:Coding.system [ fhir:value "http://terminology.hl7.org/CodeSystem/v3-ObservationInterpretation" ] ;
fhir:Coding.code [ fhir:value "N" ] ;
fhir:Coding.display [ fhir:value "Normal" ]
] ;
fhir:CodeableConcept.text [ fhir:value "Normal" ]
] ;
fhir:Observation.specimen [
fhir:link <http://hl7.org/fhir/Specimen/specimen-example-serum> ;
fhir:Reference.reference [ fhir:value "Specimen/specimen-example-serum" ] ;
fhir:Reference.display [ fhir:value "Serum specimen" ]
] ;
fhir:Observation.referenceRange [
fhir:index 0 ;
fhir:Observation.referenceRange.low [
fhir:Quantity.value [ fhir:value "22"^^xsd:decimal ] ;
fhir:Quantity.unit [ fhir:value "mmol/L" ] ;
fhir:Quantity.system [ fhir:value "http://unitsofmeasure.org" ] ;
fhir:Quantity.code [ fhir:value "mmol/L" ]
] ;
fhir:Observation.referenceRange.high [
fhir:Quantity.value [ fhir:value "29"^^xsd:decimal ] ;
fhir:Quantity.unit [ fhir:value "mmol/L" ] ;
fhir:Quantity.system [ fhir:value "http://unitsofmeasure.org" ] ;
fhir:Quantity.code [ fhir:value "mmol/L" ]
] ;
fhir:Observation.referenceRange.type [
fhir:CodeableConcept.coding [
fhir:index 0 ;
fhir:Coding.system [ fhir:value "http://terminology.hl7.org/CodeSystem/referencerange-meaning" ] ;
fhir:Coding.code [ fhir:value "normal" ] ;
fhir:Coding.display [ fhir:value "Normal Range" ]
] ;
fhir:CodeableConcept.text [ fhir:value "Normal Range" ]
]
] .
<http://hl7.org/fhir/Patient/example> a fhir:Patient .
<http://hl7.org/fhir/Practitioner/practitioner-1> a fhir:Practitioner .
<http://hl7.org/fhir/Specimen/specimen-example-serum> a fhir:Specimen .
# - ontology header ------------------------------------------------------------
<http://hl7.org/fhir/Observation/serum-co2.ttl> a owl:Ontology ;
owl:imports fhir:fhir.ttl ;
owl:versionIRI <http://build.fhir.org/Observation/serum-co2.ttl> .
IG © 2026+ HL7 International / Cross-Group Projects. Package hl7.fhir.us.core#9.0.0 based on FHIR 4.0.1. Generated 2026-09-09
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