<status value="draft" /> <date value="2015-02-21" /> <publisher value="Health Level Seven, Inc. - FHIR WG" /> <contact> <telecom> <system value="url" /> <value value="HL7" /> </telecom> </contact> <description value="A complex extension allowing structured capture of the exposure risk of the patient for an adverse reaction (allergy or intolerance) to the specified substance/product." /> <fhirVersion value="3.0.1" /> <mapping> <identity value="v2" /> <uri value="http://hl7.org/v2" /> <name value="HL7 v2 Mapping" /> </mapping> <mapping> <identity value="rim" /> <uri value="http://hl7.org/v3" /> <name value="RIM Mapping" /> </mapping> <kind value="complex-type" /> <abstract value="false" /> <contextType value="resource" /> <context value="AllergyIntolerance" /> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <differential> <element id="Extension"> <path value="Extension" /> <short value="Exposure risk of adverse reaction (allergy or intolerance) to the specified substance/product" /> <definition value="A complex extension allowing structured capture of the exposure risk of the patient for an adverse reaction (allergy or intolerance) to the specified substance/product." /> <comment value="This extension is available and is intended to be used as a more completely structured and flexible alternative to the 'code' element for representing positive and negative allergy and intolerance statements. If this extension element is present, the AllergyIntolerance.code element SHALL be omitted (see invariant "code or substanceExposureRisk")." /> <min value="0" /> <max value="1" /> <constraint> <key value="inv-1" /> <severity value="error" /> <human value="If the substanceExposureRisk extension element is present, the AllergyIntolerance.code element must be omitted." /> <expression value="substanceExposureRisk.exists() and code.empty()" /> <xpath value="exists(f:substanceExposureRisk) and not(exists(f:code))" /> </constraint> </element> <element id="Extension.extension:substance"> <path value="Extension.extension" /> <sliceName value="substance" /> <short value="Substance (or pharmaceutical product)" /> <definition value="Code for a substance or pharmaceutical product that is considered to be responsible for the adverse reaction risk or is known not to have an associated risk of an adverse reaction upon exposure." /> <comment value="It is strongly recommended that this element be populated using a terminology, where possible. For example, some terminologies used include RxNorm, SNOMED CT, DM+D, NDFRT, UNII, and ATC. Plain text should only be used if there is no appropriate terminology available. Additional details can be specified in the text." /> <min value="1" /> <max value="1" /> <type> <code value="Extension" /> </type> <mapping> <identity value="v2" /> <map value="AL1-3 / IAM-3" /> </mapping> <mapping> <identity value="rim" /> <map value=".participation[typeCode=CAGNT].role[classCode=ADMM].player[classCode=MAT, determinerCode=KIND, code <= ExposureAgentEntityType]" /> </mapping> </element> <element id="Extension.extension:substance.extension"> <path value="Extension.extension.extension" /> <max value="0" /> </element> <element id="Extension.extension:substance.url"> <path value="Extension.extension.url" /> <type> <code value="uri" /> </type> <fixedUri value="substance" /> </element> <element id="Extension.extension:substance.valueCodeableConcept"> <path value="Extension.extension.valueCodeableConcept" /> <type> <code value="CodeableConcept" /> </type> <binding> <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName"> <valueString value="SubstanceCode" /> </extension> <strength value="example" /> <description value="Codes defining the type of the substance (including pharmaceutical products)." /> <valueSetReference> <reference value="http://hl7.org/fhir/ValueSet/substance-code" /> </valueSetReference> </binding> </element> <element id="Extension.extension:exposurerisk"> <path value="Extension.extension" /> <sliceName value="exposureRisk" /> <short value="known-reaction-risk | no-known-reaction-risk" /> <definition value="The presence or absence of a known exposure risk of the patient for an adverse reaction (allergy or intolerance) to the specified substance/product." /> <comment value="exposureRisk is a modifier of the substance." /> <min value="1" /> <max value="1" /> <type> <code value="Extension" /> </type> </element> <element id="Extension.extension:exposurerisk.extension"> <path value="Extension.extension.extension" /> <max value="0" /> </element> <element id="Extension.extension:exposurerisk.url"> <path value="Extension.extension.url" /> <type> <code value="uri" /> </type> <fixedUri value="exposureRisk" /> </element> <element id="Extension.extension:exposurerisk.valueCodeableConcept"> <path value="Extension.extension.valueCodeableConcept" /> <type> <code value="CodeableConcept" /> </type> <binding> <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName"> <valueString value="AllergyIntoleranceSubstanceExposureRisk" /> </extension> <strength value="required" /> <description value="The risk of an adverse reaction (allergy or intolerance) for this patient upon exposure to the substance (including pharmaceutical products)." /> <valueSetReference> <reference value="http://hl7.org/fhir/ValueSet/allerg-intol-substance-exp-risk" /> </valueSetReference> </binding> </element> <element id="Extension.url"> <path value="Extension.url" /> <type> <code value="uri" /> </type> <fixedUri value="http://hl7.org/fhir/StructureDefinition/allergyintolerance-substanceExposureRisk" /> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]" /> <min value="0" /> <max value="0" /> </element> </differential> </StructureDefinition>