Slicing examples
This page provides guidance on how slicing is expected in R4 profiles that are created by Nictiz. Examples are provided in XML format but could have been in JSON format as well.
| Slice for fixed values to map a semantic code.
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<element id="Observation.code.coding">
<path value="Observation.code.coding"/>
<slicing>
<discriminator>
<type value="value"/>
<path value="$this"/>
</discriminator>
<rules value="open"/>
</slicing>
<min value="1"/>
</element>
<element id="Observation.code.coding:drugUseCode">
<path value="Observation.code.coding"/>
<sliceName value="drugUseCode"/>
<min value="1"/>
<max value="1"/>
<patternCoding>
<system value="http://snomed.info/sct"/>
<code value="228366006"/>
</patternCoding>
</element>
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| Slice to define different variations of the concept
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<element id="Patient.identifier">
<path value="Patient.identifier"/>
<slicing>
<discriminator>
<type value="value"/>
<path value="$this"/>
</discriminator>
<rules value="open"/>
</slicing>
</element>
<element id="Patient.identifier:BSN">
<path value="Patient.identifier"/>
<patternIdentifier>
<!--<use value="official"/> -->
<system value="http://fhir.nl/fhir/NamingSystem/bsn"/>
</patternIdentifier>
</element>
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| Slice to allow multiple ValueSet bindings
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<element id="Procedure.code.coding">
<path value="Procedure.code.coding"/>
<slicing>
<discriminator>
<type value="value"/>
<path value="$this"/>
</discriminator>
<rules value="open"/>
</slicing>
</element>
<element id="Procedure.code.coding:verrichtingTypeCodelijst">
<path value="Procedure.code.coding"/>
<sliceName value="verrichtingTypeCodelijst"/>
<binding>
<strength value="required"/>
<description value="The name of the procedure using the Verrichtingenthesaurus DHD."/>
<valueSet value="http://decor.nictiz.nl/fhir/ValueSet/2.16.840.1.113883.2.4.3.11.60.40.2.14.1.2--20171231000000"/>
</binding>
</element>
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| Slice to define element type(s)
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<element id="Observation.value[x]">
<path value="Observation.value[x]"/>
<slicing>
<discriminator>
<type value="type"/>
<path value="$this"/>
</discriminator>
<rules value="open"/>
</slicing>
</element>
<element id="Observation.value[x]:valueCodeableConcept">
<path value="Observation.valueCodeableConcept"/>
<sliceName value="valueCodeableConcept"/>
<type>
<code value="CodeableConcept"/>
</type>
</element>
<element id="Observation.value[x]:valueQuantity">
<path value="Observation.valueQuantity"/>
<sliceName value="valueQuantity"/>
<type>
<code value="Quantity"/>
</type>
</element>
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| Slice that combines the use of a semantic code and HCIM concept
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<element id="Observation.category">
<path value="Observation.category" />
<slicing>
<discriminator>
<type value="value" />
<path value="$this" />
</discriminator>
<rules value="open" />
</slicing>
<min value="1" />
</element>
<element id="Observation.category:laboratoryTestResultCode">
<path value="Observation.category" />
<sliceName value="laboratoryTestResultCode" />
<min value="1" />
<max value="1" />
<patternCodeableConcept>
<coding>
<system value="http://snomed.info/sct" />
<code value="49581000146104" />
</coding>
</patternCodeableConcept>
</element>
<element id="Observation.category:ResultType">
<path value="Observation.category" />
<sliceName value="resultType" />
<max value="1" />
<binding>
<strength value="required" />
<description value="ResultaatTypeCodelijst" />
<valueSetReference>
<reference value="http://decor.nictiz.nl/fhir/ValueSet/2.16.840.1.113883.2.4.3.11.60.40.2.13.1.1--20171231000000" />
<display value="ResultaatTypeCodelijst" />
</valueSetReference>
</binding>
</element>
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| Slice that is differentiated by the use of a profile in a referenced resource
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<element id="DiagnosticReport.result">
<path value="DiagnosticReport.result" />
<slicing>
<discriminator>
<type value="profile" />
<path value="resolve()" />
</discriminator>
<rules value="open" />
</slicing>
<max value="1" />
</element>
<element id="DiagnosticReport.result:measurementValue">
<path value="DiagnosticReport.result" />
<sliceName value="measurementValue" />
<max value="1" />
<type>
<code value="Reference" />
<targetProfile value="http://nictiz.nl/fhir/StructureDefinition/zib-GeneralMeasurement" />
</type>
</element>
<element id="DiagnosticReport.result:healthCondition">
<path value="DiagnosticReport.result" />
<sliceName value="healthCondition" />
<max value="1" />
<type>
<code value="Reference" />
<targetProfile value="http://nictiz.nl/fhir/StructureDefinition/zib-FunctionalOrMentalStatus" />
</type>
</element>
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