<status value="draft" /> <date value="2026-09-30" /> <publisher value="Novari AS - DigiDOT" /> <description value="Readiness: [In development](https://simplifier.net/guide/Visual-overview/Home/Review-status-and-releases.page.md?version=current#readiness-ehds-body-structure). R4 complex extension representing all five fields, datatypes and cardinalities of Xt-EHR EHDSBodyStructure 0.3.0 with DigiDOT anatomical terminology bindings. The logical model is not a FHIR implementation profile; this extension is DigiDOT-defined." /> <fhirVersion value="4.0.1" /> <mapping> <identity value="xt-ehr" /> <uri value="http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSBodyStructure" /> <name value="Xt-EHR EHDSBodyStructure 0.3.0" /> </mapping> <kind value="complex-type" /> <abstract value="false" /> <context> <type value="element" /> <expression value="CodeableConcept" /> </context> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <differential> <element id="Extension"> <path value="Extension" /> <short value="Inline Xt-EHR Body structure logical model" /> <definition value="One inline anatomical group implementing the five fields of Xt-EHR EHDSBodyStructure 0.3.0. No independent resource identity is required." /> <constraint> <key value="digidot-anatomy-qualifier-location" /> <severity value="error" /> <human value="A locationQualifier requires a location in the same anatomical group." /> <expression value="extension.where(url = 'locationQualifier').empty() or extension.where(url = 'location').exists()" /> </constraint> <constraint> <key value="digidot-anatomy-laterality-location" /> <severity value="error" /> <human value="Laterality requires a location in the same anatomical group." /> <expression value="extension.where(url = 'laterality').empty() or extension.where(url = 'location').exists()" /> </constraint> </element> <element id="Extension.extension"> <path value="Extension.extension" /> <slicing> <discriminator> <type value="value" /> <path value="url" /> </discriminator> <ordered value="false" /> <rules value="closed" /> </slicing> <min value="0" /> <max value="*" /> </element> <element id="Extension.extension:morphology"> <path value="Extension.extension" /> <sliceName value="morphology" /> <short value="The kind of structure being represented by the body structure at BodyStructure.location. This can define both normal and abnormal morphologies." /> <definition value="The kind of structure being represented by the body structure at BodyStructure.location. This can define both normal and abnormal morphologies." /> <min value="0" /> <max value="1" /> <mapping> <identity value="xt-ehr" /> <map value="EHDSBodyStructure.morphology" /> </mapping> </element> <element id="Extension.extension:morphology.extension"> <path value="Extension.extension.extension" /> <max value="0" /> </element> <element id="Extension.extension:morphology.url"> <path value="Extension.extension.url" /> <fixedUri value="morphology" /> </element> <element id="Extension.extension:morphology.value[x]"> <path value="Extension.extension.value[x]" /> <min value="1" /> <max value="1" /> <type> <code value="CodeableConcept" /> </type> <binding> <strength value="preferred" /> <description value="SNOMED CT" /> </binding> </element> <element id="Extension.extension:location"> <path value="Extension.extension" /> <sliceName value="location" /> <short value="Body site" /> <definition value="One anatomical body structure. For a numbered tooth, choose a code from the Norwegian teeth reference set in the same SNOMED CT release. Other appropriate body structures may be used." /> <min value="0" /> <max value="1" /> <mustSupport value="true" /> <mapping> <identity value="xt-ehr" /> <map value="EHDSBodyStructure.location" /> </mapping> </element> <element id="Extension.extension:location.extension"> <path value="Extension.extension.extension" /> <max value="0" /> </element> <element id="Extension.extension:location.url"> <path value="Extension.extension.url" /> <fixedUri value="location" /> </element> <element id="Extension.extension:location.value[x]"> <path value="Extension.extension.value[x]" /> <min value="1" /> <max value="1" /> <type> <code value="CodeableConcept" /> </type> <mustSupport value="true" /> <binding> <strength value="required" /> <description value="SNOMED CT Body structure hierarchy (<< 123037004); use the national teeth reference set for a numbered tooth." /> <valueSet value="https://novari.no/fhir/digidot/ValueSet/snomed-body-structures" /> </binding> </element> <element id="Extension.extension:locationQualifier"> <path value="Extension.extension" /> <sliceName value="locationQualifier" /> <short value="Additional qualifier of the body structure (e.g. upper, lower, left side)." /> <definition value="An anatomical/topographical qualifier of the location. For a tooth, use an applicable qualifier value for each surface and keep it in the same anatomical group as that numbered tooth; do not repeat a qualifier. Clinical suitability depends on the structure." /> <min value="0" /> <max value="*" /> <mustSupport value="true" /> <mapping> <identity value="xt-ehr" /> <map value="EHDSBodyStructure.locationQualifier" /> </mapping> </element> <element id="Extension.extension:locationQualifier.extension"> <path value="Extension.extension.extension" /> <max value="0" /> </element> <element id="Extension.extension:locationQualifier.url"> <path value="Extension.extension.url" /> <fixedUri value="locationQualifier" /> </element> <element id="Extension.extension:locationQualifier.value[x]"> <path value="Extension.extension.value[x]" /> <min value="1" /> <max value="1" /> <type> <code value="CodeableConcept" /> </type> <mustSupport value="true" /> <binding> <strength value="required" /> <description value="Only SNOMED CT anatomical qualifier values are permitted here. Tooth-surface body-structure concepts belong in the clinical expression, not in locationQualifier." /> <valueSet value="https://novari.no/fhir/digidot/ValueSet/bodystructure-location-qualifiers" /> </binding> </element> <element id="Extension.extension:laterality"> <path value="Extension.extension" /> <sliceName value="laterality" /> <short value="Body structure laterality (e.g. left, right)." /> <definition value="Left or right only when the selected structure can logically be lateralized and does not already encode a side. Do not repeat the side of a numbered tooth." /> <min value="0" /> <max value="1" /> <mustSupport value="true" /> <mapping> <identity value="xt-ehr" /> <map value="EHDSBodyStructure.laterality" /> </mapping> </element> <element id="Extension.extension:laterality.extension"> <path value="Extension.extension.extension" /> <max value="0" /> </element> <element id="Extension.extension:laterality.url"> <path value="Extension.extension.url" /> <fixedUri value="laterality" /> </element> <element id="Extension.extension:laterality.value[x]"> <path value="Extension.extension.value[x]" /> <min value="1" /> <max value="1" /> <type> <code value="CodeableConcept" /> </type> <mustSupport value="true" /> <binding> <strength value="required" /> <description value="SNOMED CT Left or Right qualifier values. This binding does not alone prove that the location permits laterality." /> <valueSet value="https://novari.no/fhir/digidot/ValueSet/bodystructure-laterality" /> </binding> </element> <element id="Extension.extension:description"> <path value="Extension.extension" /> <sliceName value="description" /> <short value="Textual description of the body structure" /> <definition value="Textual description of the body structure" /> <min value="0" /> <max value="1" /> <mapping> <identity value="xt-ehr" /> <map value="EHDSBodyStructure.description" /> </mapping> </element> <element id="Extension.extension:description.extension"> <path value="Extension.extension.extension" /> <max value="0" /> </element> <element id="Extension.extension:description.url"> <path value="Extension.extension.url" /> <fixedUri value="description" /> </element> <element id="Extension.extension:description.value[x]"> <path value="Extension.extension.value[x]" /> <min value="1" /> <max value="1" /> <type> <code value="string" /> </type> </element> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="https://novari.no/fhir/digidot/StructureDefinition/digidot-ehds-body-structure" /> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]" /> <max value="0" /> </element> </differential> </StructureDefinition>