<status value="draft" /> <description value="The EL Keratometry Refraction Profile inherits from Observation resource. The profile contains all the elements in the Keratometry Refraction section in the VisionX EHR application. A single instance captures refraction for one eye." /> <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" /> <constraint> <key value="eyecondition-requires-no-measurements" /> <severity value="error" /> <human value="OD/OS - if an eye condition exists there cannot be any measurements." /> <expression value="(bodySite.coding.where( code = 'od' or code = 'os' ).exists()) and component.value.coding.where( code = 'nolens').exists() or component.value.coding.where( code = 'balance').exists() or component.value.coding.where( code = 'prosthesis').exists() implies component.code.coding.where( code != 'eyeCondition' and code != 'diopterIncrement' and code != 'wearschedule' and code != '98908-7' and code != 'ophthalmoscopyMethod' ).exists().not()" /> <source value="http://fhir.essilorluxottica.com/fhir/StructureDefinition/el-observation-keratometryrefraction" /> </constraint> <constraint> <key value="no-eyecondition-requires-measurements" /> <severity value="error" /> <human value="OD/OS - if no eye condition exists there must be measurements." /> <expression value="(bodySite.coding.where( code = 'od' or code = 'os' ).exists()) and component.value.coding.where( code = 'eyeCondition' ).exists().not() and component.value.coding.where( code = 'nolens').exists().not() and component.value.coding.where( code = 'balance').exists().not() and component.value.coding.where( code = 'prosthesis').exists().not() implies component.code.coding.where( code != 'eyeCondition' and code != 'diopterIncrement' and code != 'wearschedule' and code != '98908-7' and code != 'ophthalmoscopyMethod' ).exists()" /> <source value="http://fhir.essilorluxottica.com/fhir/StructureDefinition/el-observation-keratometryrefraction" /> </constraint> <constraint> <key value="ou-cannotcontain-refraction" /> <severity value="error" /> <human value="OU can only contain VA, PD and notes." /> <expression value="bodySite.coding.where( code = 'ou' ).exists() implies component.code.coding.where( code != 'eyeCondition' and code != 'diopterIncrement' and code != 'wearschedule' and code != '98908-7' and code != 'ophthalmoscopyMethod' and code.matches('VA.*').not() and code.matches('pupillaryDistance.*').not() ).exists().not()" /> <source value="http://fhir.essilorluxottica.com/fhir/StructureDefinition/el-observation-keratometryrefraction" /> </constraint> </element> <element id="Observation.meta.extension"> <path value="Observation.meta.extension" /> <min value="1" /> </element> <element id="Observation.meta.extension:organization"> <path value="Observation.meta.extension" /> <sliceName value="organization" /> <min value="1" /> <max value="1" /> <type> <code value="Extension" /> <profile value="http://fhir.essilorluxottica.com/fhir/StructureDefinition/el-meta-organization-extension" /> </type> </element> <element id="Observation.meta.tag"> <path value="Observation.meta.tag" /> <binding> <strength value="required" /> <valueSet value="http://fhir.essilorluxottica.com/fhir/ValueSet/el-metatag-vs" /> </binding> </element> <element id="Observation.identifier"> <path value="Observation.identifier" /> <slicing> <discriminator> <type value="value" /> <path value="system" /> </discriminator> <rules value="open" /> </slicing> </element> <element id="Observation.identifier:refractionID"> <path value="Observation.identifier" /> <sliceName value="refractionID" /> <min value="0" /> <max value="1" /> <mustSupport value="true" /> </element> <element id="Observation.identifier:refractionID.system"> <path value="Observation.identifier.system" /> <min value="1" /> <patternUri value="http://fhir.essilorluxottica.com/fhir/CodeSystem/el-grouping-cs" /> </element> <element id="Observation.identifier:refractionID.value"> <path value="Observation.identifier.value" /> <min value="1" /> </element> <element id="Observation.identifier:externalSystemID"> <path value="Observation.identifier" /> <sliceName value="externalSystemID" /> <min value="0" /> <max value="1" /> <mustSupport value="true" /> </element> <element id="Observation.identifier:externalSystemID.system"> <path value="Observation.identifier.system" /> <min value="1" /> <patternUri value="http://fhir.essilorluxottica.com/fhir/CodeSystem/el-externalSystem-cs" /> </element> <element id="Observation.identifier:externalSystemID.value"> <path value="Observation.identifier.value" /> <min value="1" /> </element> <element id="Observation.status"> <path value="Observation.status" /> <patternCode value="final" /> </element> <element id="Observation.category"> <path value="Observation.category" /> <patternCodeableConcept> <coding> <system value="http://terminology.hl7.org/CodeSystem/observation-category" /> <code value="exam" /> </coding> </patternCodeableConcept> </element> <element id="Observation.code"> <path value="Observation.code" /> <patternCodeableConcept> <coding> <system value="http://fhir.essilorluxottica.com/fhir/CodeSystem/el-sectioncode-cs" /> <code value="autorefraction.keratometry" /> </coding> </patternCodeableConcept> </element> <element id="Observation.subject"> <path value="Observation.subject" /> <min value="1" /> <type> <code value="Reference" /> <targetProfile value="http://fhir.essilorluxottica.com/fhir/StructureDefinition/el-patient" /> </type> </element> <element id="Observation.encounter"> <path value="Observation.encounter" /> <min value="1" /> </element> <element id="Observation.note"> <path value="Observation.note" /> <max value="1" /> <mustSupport value="true" /> </element> <element id="Observation.bodySite"> <path value="Observation.bodySite" /> <binding> <strength value="required" /> <valueSet value="http://fhir.essilorluxottica.com/fhir/ValueSet/el-eyelocation-vs" /> </binding> </element> <element id="Observation.component"> <path value="Observation.component" /> <slicing> <discriminator> <type value="value" /> <path value="code" /> </discriminator> <description value="Slice based on the component.code value" /> <rules value="open" /> </slicing> </element> <element id="Observation.component:eyeCondition"> <path value="Observation.component" /> <sliceName value="eyeCondition" /> <min value="0" /> <max value="1" /> <mustSupport value="true" /> </element> <element id="Observation.component:eyeCondition.code"> <path value="Observation.component.code" /> <patternCodeableConcept> <coding> <system value="http://fhir.essilorluxottica.com/fhir/CodeSystem/el-observation-componentcode-cs" /> <code value="eyeCondition" /> <display value="Eye Condition" /> </coding> </patternCodeableConcept> </element> <element id="Observation.component:eyeCondition.value[x]"> <path value="Observation.component.value[x]" /> <type> <code value="CodeableConcept" /> </type> <binding> <strength value="required" /> <valueSet value="http://fhir.essilorluxottica.com/fhir/ValueSet/el-eyecondition-vs" /> </binding> </element> <element id="Observation.component:cornealPowerHorizontal"> <path value="Observation.component" /> <sliceName value="cornealPowerHorizontal" /> <min value="0" /> <max value="1" /> <mustSupport value="true" /> </element> <element id="Observation.component:cornealPowerHorizontal.code"> <path value="Observation.component.code" /> <patternCodeableConcept> <coding> <system value="http://fhir.essilorluxottica.com/fhir/CodeSystem/el-observation-componentcode-cs" /> <code value="cornealPowerHorizontal" /> <display value="Horizontal Corneal Power" /> </coding> </patternCodeableConcept> </element> <element id="Observation.component:cornealPowerHorizontal.value[x]"> <path value="Observation.component.value[x]" /> <type> <code value="Quantity" /> </type> </element> <element id="Observation.component:cornealPowerHorizontal.value[x].unit"> <path value="Observation.component.value[x].unit" /> <binding> <strength value="required" /> <valueSet value="http://fhir.essilorluxottica.com/fhir/ValueSet/el-observation-keratometryunits-vs" /> </binding> </element> <element id="Observation.component:meridianHorizontal"> <path value="Observation.component" /> <sliceName value="meridianHorizontal" /> <min value="0" /> <max value="1" /> <mustSupport value="true" /> </element> <element id="Observation.component:meridianHorizontal.code"> <path value="Observation.component.code" /> <patternCodeableConcept> <coding> <system value="http://fhir.essilorluxottica.com/fhir/CodeSystem/el-observation-componentcode-cs" /> <code value="meridianHorizontal" /> <display value="Horizontal Meridian" /> </coding> </patternCodeableConcept> </element> <element id="Observation.component:meridianHorizontal.value[x]"> <path value="Observation.component.value[x]" /> <type> <code value="Quantity" /> </type> </element> <element id="Observation.component:meridianHorizontal.value[x].unit"> <path value="Observation.component.value[x].unit" /> <patternString value="deg" /> </element> <element id="Observation.component:cornealPowerVertical"> <path value="Observation.component" /> <sliceName value="cornealPowerVertical" /> <min value="0" /> <max value="1" /> <mustSupport value="true" /> </element> <element id="Observation.component:cornealPowerVertical.code"> <path value="Observation.component.code" /> <patternCodeableConcept> <coding> <system value="http://fhir.essilorluxottica.com/fhir/CodeSystem/el-observation-componentcode-cs" /> <code value="cornealPowerVertical" /> <display value="Vertical Corneal Power" /> </coding> </patternCodeableConcept> </element> <element id="Observation.component:cornealPowerVertical.value[x]"> <path value="Observation.component.value[x]" /> <type> <code value="Quantity" /> </type> </element> <element id="Observation.component:cornealPowerVertical.value[x].unit"> <path value="Observation.component.value[x].unit" /> <binding> <strength value="required" /> <valueSet value="http://fhir.essilorluxottica.com/fhir/ValueSet/el-observation-keratometryunits-vs" /> </binding> </element> <element id="Observation.component:meridianVertical"> <path value="Observation.component" /> <sliceName value="meridianVertical" /> <min value="0" /> <max value="1" /> <mustSupport value="true" /> </element> <element id="Observation.component:meridianVertical.code"> <path value="Observation.component.code" /> <patternCodeableConcept> <coding> <system value="http://fhir.essilorluxottica.com/fhir/CodeSystem/el-observation-componentcode-cs" /> <code value="meridianVertical" /> <display value="Vertical Meridian" /> </coding> </patternCodeableConcept> </element> <element id="Observation.component:meridianVertical.value[x]"> <path value="Observation.component.value[x]" /> <type> <code value="Quantity" /> </type> </element> <element id="Observation.component:meridianVertical.value[x].unit"> <path value="Observation.component.value[x].unit" /> <patternString value="deg" /> </element> </differential> </StructureDefinition>