<status value="draft" /> <date value="2025-10-31" /> <publisher value="Novari AS – DigiDot" /> <fhirVersion value="4.0.1" /> <kind value="resource" /> <abstract value="false" /> <type value="Observation" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Observation" /> <derivation value="constraint" /> <differential> <element id="Observation"> <path value="Observation" /> </element> <element id="Observation.status"> <path value="Observation.status" /> <min value="1" /> <max value="1" /> <fixedCode value="final" /> </element> <element id="Observation.category"> <path value="Observation.category" /> <min value="0" /> <max value="*" /> <binding> <strength value="preferred" /> <valueSet value="http://terminology.hl7.org/ValueSet/observation-category" /> </binding> </element> <element id="Observation.code"> <path value="Observation.code" /> <short value="Observable entity" /> <definition value="The SNOMED CT concept describing what is being observed (observable entity)." /> <min value="1" /> <constraint> <key value="obs-sct-min1" /> <severity value="warning" /> <human value="At least one SNOMED CT code (pre- or postcoordinated) should be present." /> <expression value="coding.where(system = 'http://snomed.info/sct').exists()" /> </constraint> <binding> <strength value="required" /> <description value="SNOMED CT Observable entity" /> <valueSet value="http://snomed.info/sct?fhir_vs=isa/363787002" /> </binding> </element> <element id="Observation.code.coding"> <path value="Observation.code.coding" /> <slicing> <discriminator> <type value="profile" /> <path value="$this" /> </discriminator> <rules value="open" /> </slicing> <min value="1" /> <max value="2" /> </element> <element id="Observation.code.coding:SCTpre"> <path value="Observation.code.coding" /> <sliceName value="SCTpre" /> <min value="1" /> <max value="1" /> <type> <code value="Coding" /> <profile value="http://novari.no/fhir/digidot/StructureDefinition/Coding-SCTpre-no" /> </type> </element> <element id="Observation.code.coding:SCTpost"> <path value="Observation.code.coding" /> <sliceName value="SCTpost" /> <min value="0" /> <max value="1" /> <type> <code value="Coding" /> <profile value="http://novari.no/fhir/digidot/StructureDefinition/Coding-SCTpost-no" /> </type> </element> <element id="Observation.subject"> <path value="Observation.subject" /> <min value="1" /> <type> <code value="Reference" /> <targetProfile value="http://hl7.no/fhir/StructureDefinition/no-basis-Patient" /> <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient" /> </type> </element> <element id="Observation.encounter"> <path value="Observation.encounter" /> <min value="0" /> <max value="1" /> <type> <code value="Reference" /> <targetProfile value="http://novari.no/fhir/digidot/StructureDefinition/digidot-Encounter-no" /> <targetProfile value="http://hl7.org/fhir/StructureDefinition/Encounter" /> </type> </element> <element id="Observation.effective[x]"> <path value="Observation.effective[x]" /> <min value="0" /> <max value="1" /> <type> <code value="dateTime" /> </type> </element> <element id="Observation.value[x]"> <path value="Observation.value[x]" /> <short value="Result value" /> <definition value="The result of the observation." /> <min value="0" /> <max value="1" /> <type> <code value="Quantity" /> </type> <type> <code value="CodeableConcept" /> </type> <type> <code value="string" /> </type> <type> <code value="integer" /> </type> <type> <code value="boolean" /> </type> </element> <element id="Observation.interpretation"> <path value="Observation.interpretation" /> <min value="0" /> <max value="*" /> </element> <element id="Observation.bodySite"> <path value="Observation.bodySite" /> <min value="0" /> <max value="*" /> <constraint> <key value="tooth-required-if-surface" /> <severity value="error" /> <human value="If tooth surfaces are provided, a tooth must also be provided." /> <expression value="coding.where($this.sliceName='surface').empty() or coding.where($this.sliceName='tooth').exists()" /> </constraint> </element> <element id="Observation.bodySite.coding"> <path value="Observation.bodySite.coding" /> <slicing> <discriminator> <type value="value" /> <path value="system" /> </discriminator> <rules value="open" /> </slicing> <min value="0" /> <max value="*" /> </element> <element id="Observation.bodySite.coding.system"> <path value="Observation.bodySite.coding.system" /> <min value="1" /> <fixedUri value="http://snomed.info/sct" /> </element> <element id="Observation.bodySite.coding:tooth"> <path value="Observation.bodySite.coding" /> <sliceName value="tooth" /> <min value="0" /> <max value="1" /> <binding> <strength value="required" /> <valueSet value="http://novari.no/fhir/digidot/ValueSet/teeth" /> </binding> </element> <element id="Observation.bodySite.coding:surface"> <path value="Observation.bodySite.coding" /> <sliceName value="surface" /> <min value="0" /> <max value="*" /> <binding> <strength value="required" /> <valueSet value="http://novari.no/fhir/digidot/ValueSet/tooth-surfaces" /> </binding> </element> <element id="Observation.bodySite.coding.code"> <path value="Observation.bodySite.coding.code" /> <min value="1" /> </element> <element id="Observation.bodySite.coding.display"> <path value="Observation.bodySite.coding.display" /> <min value="0" /> <max value="1" /> </element> <element id="Observation.note"> <path value="Observation.note" /> <min value="0" /> <max value="*" /> </element> <element id="Observation.performer"> <path value="Observation.performer" /> <min value="0" /> <max value="*" /> <type> <code value="Reference" /> <targetProfile value="http://hl7.no/fhir/StructureDefinition/no-basis-Practitioner" /> <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner" /> </type> <type> <code value="Reference" /> <targetProfile value="http://hl7.no/fhir/StructureDefinition/no-basis-PractitionerRole" /> <targetProfile value="http://hl7.org/fhir/StructureDefinition/PractitionerRole" /> </type> </element> </differential> </StructureDefinition>