{"abstract":false,"baseDefinition":"http://hl7.org/fhir/StructureDefinition/Extension","contact":[{"telecom":[{"system":"url","value":"HL7"}]}],"context":[{"expression":"AllergyIntolerance","type":"element"}],"date":"2015-02-21","derivation":"constraint","description":"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.","differential":{"element":[{"comment":"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.  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Additional details can be specified in the text.","definition":"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.","id":"Extension.extension:substance","mapping":[{"identity":"v2","map":"AL1-3 / IAM-3"},{"identity":"rim","map":".participation[typeCode=CAGNT].role[classCode=ADMM].player[classCode=MAT, determinerCode=KIND, code <= ExposureAgentEntityType]"}],"max":"1","min":1,"path":"Extension.extension","short":"Substance (or pharmaceutical product)","sliceName":"substance","type":[{"code":"Extension"}]},{"id":"Extension.extension:substance.extension","max":"0","path":"Extension.extension.extension"},{"fixedUri":"substance","id":"Extension.extension:substance.url","path":"Extension.extension.url","type":[{"code":"uri"}]},{"binding":{"description":"Codes defining the type of the substance (including pharmaceutical products).","extension":[{"url":"http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName","valueString":"SubstanceCode"}],"strength":"example","valueSet":"http://hl7.org/fhir/ValueSet/substance-code"},"id":"Extension.extension:substance.value[x]","min":1,"path":"Extension.extension.value[x]","type":[{"code":"CodeableConcept"}]},{"comment":"exposureRisk is a modifier of the substance.","definition":"The presence or absence of a known exposure risk of the patient for an adverse reaction (allergy or intolerance) to the specified substance/product.","id":"Extension.extension:exposureRisk","max":"1","min":1,"path":"Extension.extension","short":"known-reaction-risk | no-known-reaction-risk","sliceName":"exposureRisk","type":[{"code":"Extension"}]},{"id":"Extension.extension:exposureRisk.extension","max":"0","path":"Extension.extension.extension"},{"fixedUri":"exposureRisk","id":"Extension.extension:exposureRisk.url","path":"Extension.extension.url","type":[{"code":"uri"}]},{"binding":{"description":"The risk of an adverse reaction (allergy or intolerance) for this patient upon exposure to the substance (including pharmaceutical products).","extension":[{"url":"http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName","valueString":"AllergyIntoleranceSubstanceExposureRisk"}],"strength":"required","valueSet":"http://hl7.org/fhir/ValueSet/allerg-intol-substance-exp-risk|4.0.1"},"id":"Extension.extension:exposureRisk.value[x]","min":1,"path":"Extension.extension.value[x]","type":[{"code":"CodeableConcept"}]},{"fixedUri":"http://hl7.org/fhir/StructureDefinition/allergyintolerance-substanceExposureRisk","id":"Extension.url","path":"Extension.url"},{"id":"Extension.value[x]","max":"0","min":0,"path":"Extension.value[x]"}]},"extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-wg","valueCode":"pc"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm","valueInteger":1}],"fhirVersion":"4.0.1","id":"allergyintolerance-substanceExposureRisk","kind":"complex-type","mapping":[{"identity":"v2","name":"HL7 v2 Mapping","uri":"http://hl7.org/v2"},{"identity":"rim","name":"RIM Mapping","uri":"http://hl7.org/v3"}],"name":"substanceExposureRisk","publisher":"Health Level Seven, Inc. - FHIR WG","resourceType":"StructureDefinition","snapshot":{"element":[{"base":{"max":"*","min":0,"path":"Extension"},"comment":"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.  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Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.","id":"Extension.extension","isModifier":false,"isSummary":false,"mapping":[{"identity":"rim","map":"n/a"}],"max":"*","min":0,"path":"Extension.extension","short":"Additional content defined by implementations","slicing":{"description":"Extensions are always sliced by (at least) url","discriminator":[{"path":"url","type":"value"}],"rules":"open"},"type":[{"code":"Extension"}]},{"base":{"max":"*","min":0,"path":"Element.extension"},"comment":"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. 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