This page is part of the FHIR Specification (v5.0.0-draft-final: Final QA Preview for R5 - see ballot notes). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R5 R4B R4 R3
Orders and Observations Work Group | Maturity Level: N/A | Standards Status: Informative | Compartments: Device, Encounter, Patient, Practitioner, RelatedPerson |
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Simple Weight Example
@prefix fhir: <http://hl7.org/fhir/> . @prefix loinc: <https://loinc.org/rdf/> . @prefix owl: <http://www.w3.org/2002/07/owl#> . @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . @prefix sct: <http://snomed.info/id/> . @prefix xsd: <http://www.w3.org/2001/XMLSchema#> . # - resource ------------------------------------------------------------------- [a fhir:Observation ; fhir:nodeRole fhir:treeRoot ; fhir:id [ fhir:v "example"] ; # fhir:text [ fhir:status [ fhir:v "generated" ] ; fhir:div "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p><b>Generated Narrative: Observation</b><a name=\"example\"> </a></p><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\">Resource Observation "example" </p></div><p><b>status</b>: <span title=\" the mandatory quality flags: \">final</span></p><p><b>category</b>: <span title=\" category code is A code that classifies the general type of observation being made. This is used for searching, sorting and display purposes. \">Vital Signs <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/4.0.0/CodeSystem-observation-category.html\">Observation Category Codes</a>#vital-signs)</span></span></p><p><b>code</b>: <span title=\" \n Observations are often coded in multiple code systems.\n - LOINC provides codes of varying granularity (though not usefully more specific in this particular case) and more generic LOINCs can be mapped to more specific codes as shown here\n - snomed provides a clinically relevant code that is usually less granular than LOINC\n - the source system provides its own code, which may be less or more granular than LOINC\n \">Body Weight <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"https://loinc.org/\">LOINC</a>#29463-7; <a href=\"https://loinc.org/\">LOINC</a>#3141-9 "Body weight Measured"; <a href=\"https://browser.ihtsdotools.org/\">SNOMED CT</a>#27113001 "Body weight"; clinical-codes#body-weight)</span></span></p><p><b>subject</b>: <a href=\"patient-example.html\">Patient/example</a> "Peter CHALMERS"</p><p><b>encounter</b>: <a href=\"encounter-example.html\">Encounter/example</a></p><p><b>effective</b>: 2016-03-28</p><p><b>value</b>: <span title=\" In FHIR, units may be represented twice. Once in the\n agreed human representation, and once in a coded form.\n Both is best, since it's not always possible to infer\n one from the other in code.\n\n When a computable unit is provided, UCUM (http://unitsofmeasure.org)\n is always preferred, but it doesn't provide notional units (such as\n "tablet"), etc. For these, something else is required (e.g. SNOMED CT)\n \">185 lbs<span style=\"background: LightGoldenRodYellow\"> (Details: UCUM code [lb_av] = 'lb_av')</span></span></p></div>" ] ; # the mandatory quality flags: fhir:status [ fhir:v "final"] ; # fhir:category ( [ fhir:coding ( [ fhir:system [ fhir:v "http://terminology.hl7.org/CodeSystem/observation-category"^^xsd:anyURI ] ; fhir:code [ fhir:v "vital-signs" ] ; fhir:display [ fhir:v "Vital Signs" ] ] ) ] ) ; # category code is A code that classifies the general type of observation being made. This is used for searching, sorting and display purposes. fhir:code [ fhir:coding ( [ a loinc:29463-7 ; fhir:system [ fhir:v "http://loinc.org"^^xsd:anyURI ] ; fhir:code [ fhir:v "29463-7" ] ; fhir:display [ fhir:v "Body Weight" ] # more generic methodless LOINC ] [ a loinc:3141-9 ; fhir:system [ fhir:v "http://loinc.org"^^xsd:anyURI ] ; fhir:code [ fhir:v "3141-9" ] ; fhir:display [ fhir:v "Body weight Measured" ] # translation is more specific method = measured LOINC ] [ a sct:27113001 ; fhir:system [ fhir:v "http://snomed.info/sct"^^xsd:anyURI ] ; fhir:code [ fhir:v "27113001" ] ; fhir:display [ fhir:v "Body weight" ] ] [ fhir:system [ fhir:v "http://acme.org/devices/clinical-codes"^^xsd:anyURI ] ; fhir:code [ fhir:v "body-weight" ] ; fhir:display [ fhir:v "Body Weight" ] ] ) # LOINC - always recommended to have a LOINC code ] ; # # Observations are often coded in multiple code systems. # - LOINC provides codes of varying granularity (though not usefully more specific in this particular case) and more generic LOINCs can be mapped to more specific codes as shown here # - snomed provides a clinically relevant code that is usually less granular than LOINC # - the source system provides its own code, which may be less or more granular than LOINC # fhir:subject [ fhir:reference [ fhir:v "Patient/example" ] ] ; # fhir:encounter [ fhir:reference [ fhir:v "Encounter/example" ] ] ; # fhir:effective [ fhir:v "2016-03-28"^^xsd:date] ; # fhir:value [ a fhir:Quantity ; fhir:value [ fhir:v "185"^^xsd:decimal ] ; fhir:unit [ fhir:v "lbs" ] ; fhir:system [ fhir:v "http://unitsofmeasure.org"^^xsd:anyURI ] ; fhir:code [ fhir:v "[lb_av]" ] ]] . # In FHIR, units may be represented twice. Once in the # agreed human representation, and once in a coded form. # Both is best, since it's not always possible to infer # one from the other in code. # # When a computable unit is provided, UCUM (http://unitsofmeasure.org) # is always preferred, but it doesn't provide notional units (such as # "tablet"), etc. For these, something else is required (e.g. SNOMED CT) # # -------------------------------------------------------------------------------------
Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.
FHIR ®© HL7.org 2011+. FHIR R5 hl7.fhir.core#5.0.0-draft-final generated on Wed, Mar 1, 2023 23:07+1100.
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