FHIR Release 3 (STU)

This page is part of the FHIR Specification (v3.0.2: STU 3). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R5 R4B R4 R3 R2

Allergyintolerance.profile.xml

Patient Care Work GroupMaturity Level: N/ABallot Status: InformativeCompartments: Patient, Practitioner, RelatedPerson

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StructureDefinition for allergyintolerance

<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="AllergyIntolerance"/> 
  <meta> 
    <lastUpdated value="2019-10-24T11:53:00+11:00"/> 
  </meta> 
  <text> 
    <status value="generated"/> 
    <div xmlns="http://www.w3.org/1999/xhtml">
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          <th class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="formats.html#table" title="The logical name of the element">Name</a> 
          </th> 
          <th class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="formats.html#table" title="Information about the use of the element">Flags</a> 
          </th> 
          <th class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="formats.html#table" title="Minimum and Maximum # of times the the element can appear in the instance">Card.</a> 
          </th> 
          <th class="hierarchy" style="width: 100px">
            <a href="formats.html#table" title="Reference to the type of the element">Type</a> 
          </th> 
          <th class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="formats.html#table" title="Additional information about the element">Description &amp; Constraints</a> 
            <span style="float: right">
              <a href="formats.html#table" title="Legend for this format">
                <img alt="doco" src="help16.png" style="background-color: inherit"/> 
              </a> 
            </span> 
          </th> 
        </tr> 
        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
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            Nj6C+QmaxAek5tyAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Resource"/>  
            <span title="AllergyIntolerance : Risk of harmful or undesirable, physiological response which is unique
             to an individual and associated with exposure to a substance.">AllergyIntolerance</span> 
            <a name="AllergyIntolerance"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <span style="padding: 3px" title="This element has or is affected by some invariants">I</span> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="domainresource.html">DomainResource</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Allergy or Intolerance (generally: Risk of adverse reaction to a substance)
            <br/>  
            <span style="font-style: italic" title="ait-1">+ AllergyIntolerance.clinicalStatus SHALL be present if verificationStatus is not entered-in-error.</span> 
            <br/>  
            <span style="font-style: italic" title="ait-2">+ AllergyIntolerance.clinicalStatus SHALL NOT be present if verification Status is entered-in-error</span> 
            <br/>  Elements defined in Ancestors: 
            <a href="resource.html#Resource" title="The logical id of the resource, as used in the URL for the resource. Once assigned, this
             value never changes.">id</a> , 
            <a href="resource.html#Resource" title="The metadata about the resource. This is content that is maintained by the infrastructure.
             Changes to the content may not always be associated with version changes to the resource.">meta</a> , 
            <a href="resource.html#Resource" title="A reference to a set of rules that were followed when the resource was constructed, and
             which must be understood when processing the content.">implicitRules</a> , 
            <a href="resource.html#Resource" title="The base language in which the resource is written.">language</a> , 
            <a href="domainresource.html#DomainResource" title="A human-readable narrative that contains a summary of the resource, and may be used to
             represent the content of the resource to a human. The narrative need not encode all the
             structured data, but is required to contain sufficient detail to make it &quot;clinically
             safe&quot; for a human to just read the narrative. Resource definitions may define what
             content should be represented in the narrative to ensure clinical safety.">text</a> , 
            <a href="domainresource.html#DomainResource" title="These resources do not have an independent existence apart from the resource that contains
             them - they cannot be identified independently, and nor can they have their own independent
             transaction scope.">contained</a> , 
            <a href="domainresource.html#DomainResource" title="May be used to represent additional information that is not part of the basic definition
             of the resource. In order to make the use of extensions safe and manageable, there is
             a strict set of governance  applied to the definition and use of extensions. Though any
             implementer is allowed to define an extension, there is a set of requirements that SHALL
             be met as part of the definition of the extension.">extension</a> , 
            <a href="domainresource.html#DomainResource" title="May be used to represent additional information that is not part of the basic definition
             of the resource, and that modifies the understanding of the element that contains it.
             Usually modifier elements provide negation or qualification. In order to make the use
             of extensions safe and manageable, there is a strict set of governance applied to the
             definition and use of extensions. Though any implementer is allowed to define an extension,
             there is a set of requirements that SHALL be met as part of the definition of the extension.
             Applications processing a resource are required to check for modifier extensions.">modifierExtension</a> 
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
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            FgY9loiRA4dToTYnsOxg8CBGHE6ICvEYQ4AKzkidfgoKBAA7" style="background-color: white; background-color: inherit" title="Data Type"/>  
            <span title="AllergyIntolerance.identifier : This records identifiers associated with this allergy/intolerance
             concern that are defined by business processes and/or used to refer to it when a direct
             URL reference to the resource itself is not appropriate (e.g. in CDA documents, or in
             written / printed documentation).">identifier</span> 
            <a name="AllergyIntolerance.identifier"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <span style="padding: 3px" title="This element is included in summaries">Σ</span> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#Identifier">Identifier</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">External ids for this item
            <br/>  
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>  
            <span title="AllergyIntolerance.clinicalStatus : The clinical status of the allergy or intolerance.">clinicalStatus</span> 
            <a name="AllergyIntolerance.clinicalStatus"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <span style="padding: 3px" title="This element is a modifier element">?!</span> 
            <span style="padding: 3px" title="This element is included in summaries">Σ</span> 
            <span style="padding: 3px" title="This element has or is affected by some invariants">I</span> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#code">code</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">active | inactive | resolved
            <br/>  
            <a href="valueset-allergy-clinical-status.html" title="The clinical status of the allergy or intolerance.">AllergyIntoleranceClinicalStatus</a>  (
            <a href="terminologies.html#required" title="To be conformant, the concept in this element SHALL be from the specified value set">Required</a> )
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIW
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            <span title="AllergyIntolerance.verificationStatus : Assertion about certainty associated with the
             propensity, or potential risk, of a reaction to the identified substance (including pharmaceutical
             product).">verificationStatus</span> 
            <a name="AllergyIntolerance.verificationStatus"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <span style="padding: 3px" title="This element is a modifier element">?!</span> 
            <span style="padding: 3px" title="This element is included in summaries">Σ</span> 
            <span style="padding: 3px" title="This element has or is affected by some invariants">I</span> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">1..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#code">code</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">unconfirmed | confirmed | refuted | entered-in-error
            <br/>  
            <a href="valueset-allergy-verification-status.html" title="Assertion about certainty associated with a propensity, or potential risk, of a reaction
             to the identified substance.">AllergyIntoleranceVerificationStatus</a>  (
            <a href="terminologies.html#required" title="To be conformant, the concept in this element SHALL be from the specified value set">Required</a> )
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIW
            XMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gYBFzI0BrFQCwAAAERJREFUOMtj/P//PwMlgImBQjDwBrCcOnWKokBgYWBgYDCU+06W5i
            8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>  
            <span title="AllergyIntolerance.type : Identification of the underlying physiological mechanism for
             the reaction risk.">type</span> 
            <a name="AllergyIntolerance.type"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <span style="padding: 3px" title="This element is included in summaries">Σ</span> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#code">code</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">allergy | intolerance - Underlying mechanism (if known)
            <br/>  
            <a href="valueset-allergy-intolerance-type.html" title="Identification of the underlying physiological mechanism for a Reaction Risk.">AllergyIntoleranceType</a>  (
            <a href="terminologies.html#required" title="To be conformant, the concept in this element SHALL be from the specified value set">Required</a> )
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIW
            XMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gYBFzI0BrFQCwAAAERJREFUOMtj/P//PwMlgImBQjDwBrCcOnWKokBgYWBgYDCU+06W5i
            8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>  
            <span title="AllergyIntolerance.category : Category of the identified substance.">category</span> 
            <a name="AllergyIntolerance.category"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <span style="padding: 3px" title="This element is included in summaries">Σ</span> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#code">code</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">food | medication | environment | biologic
            <br/>  
            <a href="valueset-allergy-intolerance-category.html" title="Category of an identified substance.">AllergyIntoleranceCategory</a>  (
            <a href="terminologies.html#required" title="To be conformant, the concept in this element SHALL be from the specified value set">Required</a> )
            <br/>  
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIW
            XMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gYBFzI0BrFQCwAAAERJREFUOMtj/P//PwMlgImBQjDwBrCcOnWKokBgYWBgYDCU+06W5i
            8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>  
            <span title="AllergyIntolerance.criticality : Estimate of the potential clinical harm, or seriousness,
             of the reaction to the identified substance.">criticality</span> 
            <a name="AllergyIntolerance.criticality"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <span style="padding: 3px" title="This element is included in summaries">Σ</span> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#code">code</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">low | high | unable-to-assess
            <br/>  
            <a href="valueset-allergy-intolerance-criticality.html" title="Estimate of the potential clinical harm, or seriousness, of a reaction to an identified
             substance.">AllergyIntoleranceCriticality</a>  (
            <a href="terminologies.html#required" title="To be conformant, the concept in this element SHALL be from the specified value set">Required</a> )
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,R0lGODlhEAAQAOZ/APrkusOiYvvfqbiXWaV2G+jGhdq1b8GgYf3v1frw3vTUlsWkZNewbcSjY/DQk
            ad4Hb6dXv3u0f3v1ObEgfPTlerJiP3w1v79+e7OkPrfrfnjuNOtZPrpydaxa+/YrvvdpP779ZxvFPvnwKKBQaFyF/369M2vdaqHRP
            z58/HNh/vowufFhfroxO3OkPrluv779tK0e6JzGProwvrow9m4eOnIifPTlPDPkP78+Naxaf3v0/zowfXRi+bFhLWUVv379/rnwPv
            szv3rye3LiPvnv+3MjPDasKiIS/789/3x2f747eXDg+7Mifvu0tu7f+/QkfDTnPXWmPrjsvrjtPbPgrqZW+/QlPz48K2EMv36866O
            UPvowat8Ivvgq/Pbrvzgq/PguvrgrqN0Gda2evfYm9+7d/rpw9q6e/LSku/Rl/XVl/LSlfrkt+zVqe7Wqv3x1/bNffbOf59wFdS6i
            f3u0vrqyP3owPvepfXQivDQkO/PkKh9K7STVf779P///////yH5BAEAAH8ALAAAAAAQABAAAAfNgH+Cg36FfoOIhH4JBxBghYl/hQ
            kNAV0IVT5GkJKLCwtQaSsSdx9aR26Gcwt2IkQaNRI6dBERIzCFDSgWSW8WCDkbBnoOQ3uFARc/JQJfCAZlT0x4ZFyFBxdNQT9ZCBN
            WKQoKUQ+FEDgcdTIAV14YDmg2CgSFA0hmQC5TLE4VRTdrKJAoxOeFCzZSwsw4U6BCizwUQhQyEaAPiAwCVNCY0FCNnA6GPAwYoETI
            FgY9loiRA4dToTYnsOxg8CBGHE6ICvEYQ4AKzkidfgoKBAA7" style="background-color: white; background-color: inherit" title="Data Type"/>  
            <span title="AllergyIntolerance.code : Code for an allergy or intolerance statement (either a positive
             or a negated/excluded statement).  This may be a code for a substance or pharmaceutical
             product that is considered to be responsible for the adverse reaction risk (e.g., &quot;Latex&quot;)
            , an allergy or intolerance condition (e.g., &quot;Latex allergy&quot;), or a negated/excluded
             code for a specific substance or class (e.g., &quot;No latex allergy&quot;) or a general
             or categorical negated statement (e.g.,  &quot;No known allergy&quot;, &quot;No known
             drug allergies&quot;).">code</span> 
            <a name="AllergyIntolerance.code"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <span style="padding: 3px" title="This element is included in summaries">Σ</span> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#CodeableConcept">CodeableConcept</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Code that identifies the allergy or intolerance
            <br/>  
            <a href="valueset-allergyintolerance-code.html" title="Type of the substance/product, allergy or intolerance condition, or negation/exclusion
             codes for reporting no known allergies.">AllergyIntolerance Substance/Product, Condition and Negation Codes</a>  (
            <a href="terminologies.html#example" title="Instances are not expected or even encouraged to draw from the specified value set.  The
             value set merely provides examples of the types of concepts intended to be included.">Example</a> )
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxj
            wv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAAadEVYdFNvZnR3YXJlAFBhaW50Lk5FVCB2My41LjEwMPRyoQAAAFxJREFUOE/NjE
            EOACEIA/0o/38GGw+agoXYeNnDJDCUDnd/gkoFKhWozJiZI3gLwY6rAgxhsPKTPUzycTl8lAryMyMsVQG6TFi6cHULyz8KOjC7OIQ
            KlQpU3uPjAwhX2CCcGsgOAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Reference to another Resource"/>  
            <span title="AllergyIntolerance.patient : The patient who has the allergy or intolerance.">patient</span> 
            <a name="AllergyIntolerance.patient"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <span style="padding: 3px" title="This element is included in summaries">Σ</span> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">1..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="references.html">Reference</a> (
            <a href="patient.html">Patient</a> )
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Who the sensitivity is for</td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,R0lGODlhEAAQAMQfAGm6/idTd4yTmF+v8Xa37KvW+lyh3KHJ62aq41ee2bXZ98nm/2mt5W2Ck5XN/
            C1chEZieho8WXXA/2Gn4P39/W+y6V+l3qjP8Njt/lx2izxPYGyv51Oa1EJWZ////////yH5BAEAAB8ALAAAAAAQABAAAAWH4Cd+Xm
            l6Y0pCQts0EKp6GbYshaM/skhjhCChUmFIeL4OsHIxXRAISQTl6SgIG8+FgfBMoh2qtbLZQr0TQJhk3TC4pYPBApiyFVDEwSOf18U
            FXxMWBoUJBn9sDgmDewcJCRyJJBoEkRyYmAABPZQEAAOhA5seFDMaDw8BAQ9TpiokJyWwtLUhADs=" style="background-color: white; background-color: inherit" title="Choice of Types"/>  
            <span title="AllergyIntolerance.onset[x] : Estimated or actual date,  date-time, or age when allergy
             or intolerance was identified.">onset[x]</span> 
            <a name="AllergyIntolerance.onset_x_"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">When allergy or intolerance was identified</td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMElEQVR42u3QwQkAMAwDsezq/WdoskKgFAoy6HkfV5LamJ1tc7MHAAD+5QQAAO
          CZBkurQFbnaRSlAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <span title="A date, date-time or partial date (e.g. just year or year + month).  If hours and minutes
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             but may be zero-filled and may be ignored.                 Dates SHALL be valid dates.">onsetDateTime</span> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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            <a href="datatypes.html#dateTime">dateTime</a> 
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            <span title="A duration of time during which an organism (or a process) has existed.">onsetAge</span> 
          </td> 
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            <a href="datatypes.html#Age">Age</a> 
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            <span title="A time period defined by a start and end date and optionally time.">onsetPeriod</span> 
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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            <a href="datatypes.html#Period">Period</a> 
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            <span title="A set of ordered Quantities defined by a low and high limit.">onsetRange</span> 
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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            <a href="datatypes.html#Range">Range</a> 
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            <span title="A sequence of Unicode characters">onsetString</span> 
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            <a href="datatypes.html#string">string</a> 
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            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIW
            XMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gYBFzI0BrFQCwAAAERJREFUOMtj/P//PwMlgImBQjDwBrCcOnWKokBgYWBgYDCU+06W5i
            8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>  
            <span title="AllergyIntolerance.assertedDate : The date on which the existance of the AllergyIntolerance
             was first asserted or acknowledged.">assertedDate</span> 
            <a name="AllergyIntolerance.assertedDate"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#dateTime">dateTime</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Date record was believed accurate</td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxj
            wv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAAadEVYdFNvZnR3YXJlAFBhaW50Lk5FVCB2My41LjEwMPRyoQAAAFxJREFUOE/NjE
            EOACEIA/0o/38GGw+agoXYeNnDJDCUDnd/gkoFKhWozJiZI3gLwY6rAgxhsPKTPUzycTl8lAryMyMsVQG6TFi6cHULyz8KOjC7OIQ
            KlQpU3uPjAwhX2CCcGsgOAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Reference to another Resource"/>  
            <span title="AllergyIntolerance.recorder : Individual who recorded the record and takes responsibility
             for its content.">recorder</span> 
            <a name="AllergyIntolerance.recorder"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="references.html">Reference</a> (
            <a href="practitioner.html">Practitioner</a>  | 
            <a href="patient.html">Patient</a> )
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Who recorded the sensitivity</td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxj
            wv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAAadEVYdFNvZnR3YXJlAFBhaW50Lk5FVCB2My41LjEwMPRyoQAAAFxJREFUOE/NjE
            EOACEIA/0o/38GGw+agoXYeNnDJDCUDnd/gkoFKhWozJiZI3gLwY6rAgxhsPKTPUzycTl8lAryMyMsVQG6TFi6cHULyz8KOjC7OIQ
            KlQpU3uPjAwhX2CCcGsgOAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Reference to another Resource"/>  
            <span title="AllergyIntolerance.asserter : The source of the information about the allergy that is
             recorded.">asserter</span> 
            <a name="AllergyIntolerance.asserter"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <span style="padding: 3px" title="This element is included in summaries">Σ</span> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="references.html">Reference</a> (
            <a href="patient.html">Patient</a>  | 
            <a href="relatedperson.html">RelatedPerson</a>  | 
            <a href="practitioner.html">Practitioner</a> )
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Source of the information about the allergy</td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIW
            XMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gYBFzI0BrFQCwAAAERJREFUOMtj/P//PwMlgImBQjDwBrCcOnWKokBgYWBgYDCU+06W5i
            8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>  
            <span title="AllergyIntolerance.lastOccurrence : Represents the date and/or time of the last known
             occurrence of a reaction event.">lastOccurrence</span> 
            <a name="AllergyIntolerance.lastOccurrence"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#dateTime">dateTime</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Date(/time) of last known occurrence of a reaction</td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,R0lGODlhEAAQAOZ/APrkusOiYvvfqbiXWaV2G+jGhdq1b8GgYf3v1frw3vTUlsWkZNewbcSjY/DQk
            ad4Hb6dXv3u0f3v1ObEgfPTlerJiP3w1v79+e7OkPrfrfnjuNOtZPrpydaxa+/YrvvdpP779ZxvFPvnwKKBQaFyF/369M2vdaqHRP
            z58/HNh/vowufFhfroxO3OkPrluv779tK0e6JzGProwvrow9m4eOnIifPTlPDPkP78+Naxaf3v0/zowfXRi+bFhLWUVv379/rnwPv
            szv3rye3LiPvnv+3MjPDasKiIS/789/3x2f747eXDg+7Mifvu0tu7f+/QkfDTnPXWmPrjsvrjtPbPgrqZW+/QlPz48K2EMv36866O
            UPvowat8Ivvgq/Pbrvzgq/PguvrgrqN0Gda2evfYm9+7d/rpw9q6e/LSku/Rl/XVl/LSlfrkt+zVqe7Wqv3x1/bNffbOf59wFdS6i
            f3u0vrqyP3owPvepfXQivDQkO/PkKh9K7STVf779P///////yH5BAEAAH8ALAAAAAAQABAAAAfNgH+Cg36FfoOIhH4JBxBghYl/hQ
            kNAV0IVT5GkJKLCwtQaSsSdx9aR26Gcwt2IkQaNRI6dBERIzCFDSgWSW8WCDkbBnoOQ3uFARc/JQJfCAZlT0x4ZFyFBxdNQT9ZCBN
            WKQoKUQ+FEDgcdTIAV14YDmg2CgSFA0hmQC5TLE4VRTdrKJAoxOeFCzZSwsw4U6BCizwUQhQyEaAPiAwCVNCY0FCNnA6GPAwYoETI
            FgY9loiRA4dToTYnsOxg8CBGHE6ICvEYQ4AKzkidfgoKBAA7" style="background-color: white; background-color: inherit" title="Data Type"/>  
            <span title="AllergyIntolerance.note : Additional narrative about the propensity for the Adverse Reaction,
             not captured in other fields.">note</span> 
            <a name="AllergyIntolerance.note"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#Annotation">Annotation</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Additional text not captured in other fields
            <br/>  
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAI0lEQVR42u3QIQEAAAACIL/6/4MvTAQOkLYBAAB4kAAAANwMad9AqkRjgNAAAA
          AASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzME+lXFigAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+3OsRUAIAjEUO
            L+O8cJABttJM11/x1qZAGqRBEVcNIqdWj1efDqQbb3HwwwwEfABmQUHSPM9dtDAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,R0lGODlhEAAQAMQfAOvGUf7ztuvPMf/78/fkl/Pbg+u8Rvjqteu2Pf3zxPz36Pz0z+vTmPzurPvuw
            /npofbjquvNefHVduuyN+uuMu3Oafbgjfnqvf/3zv/3xevPi+vRjP/20/bmsP///////yH5BAEAAB8ALAAAAAAQABAAAAV24CeOZG
            mepqeqqOgxjBZFa+19r4ftWQUAgqDgltthMshMIJAZ4jYDHsBARSAmFOJvq+g6HIdEFgcYmBWNxoNAsDjGHgBnmV5bCoUDHLBIq9s
            FEhIdcAYJdYASFRUQhQkLCwkOFwcdEBAXhVabE52ecDahKy0oIQA7" style="background-color: white; background-color: inherit" title="Element"/>  
            <span title="AllergyIntolerance.reaction : Details about each adverse reaction event linked to exposure
             to the identified substance.">reaction</span> 
            <a name="AllergyIntolerance.reaction"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="backboneelement.html">BackboneElement</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Adverse Reaction Events linked to exposure to substance
            <br/>  
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALElEQVR42u3QwQkAMAwDsezq/WdIO4XJQwa9DTdJpulv258AAMANIgAAADUPYA
          VAgAJ//usAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIZgEiYEgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAIElEQVQ4y2P8//8/AyWAiY
            FCMGrAqAGjBowaMGoAAgAALL0DKYQ0DPIAAAAASUVORK5CYII=" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
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            <img alt="." class="hierarchy" src="data: image/png;base64,R0lGODlhEAAQAOZ/APrkusOiYvvfqbiXWaV2G+jGhdq1b8GgYf3v1frw3vTUlsWkZNewbcSjY/DQk
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            WKQoKUQ+FEDgcdTIAV14YDmg2CgSFA0hmQC5TLE4VRTdrKJAoxOeFCzZSwsw4U6BCizwUQhQyEaAPiAwCVNCY0FCNnA6GPAwYoETI
            FgY9loiRA4dToTYnsOxg8CBGHE6ICvEYQ4AKzkidfgoKBAA7" style="background-color: white; background-color: inherit" title="Data Type"/>  
            <span title="AllergyIntolerance.reaction.substance : Identification of the specific substance (or pharmaceutical
             product) considered to be responsible for the Adverse Reaction event. Note: the substance
             for a specific reaction may be different from the substance identified as the cause of
             the risk, but it must be consistent with it. For instance, it may be a more specific substance
             (e.g. a brand medication) or a composite product that includes the identified substance.
             It must be clinically safe to only process the 'code' and ignore the 'reaction.substance'.">substance</span> 
            <a name="AllergyIntolerance.reaction.substance"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#CodeableConcept">CodeableConcept</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Specific substance or pharmaceutical product considered to be responsible for event
            <br/>  
            <a href="valueset-substance-code.html" title="Codes defining the type of the substance (including pharmaceutical products).">Substance Code</a>  (
            <a href="terminologies.html#example" title="Instances are not expected or even encouraged to draw from the specified value set.  The
             value set merely provides examples of the types of concepts intended to be included.">Example</a> )
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            FgY9loiRA4dToTYnsOxg8CBGHE6ICvEYQ4AKzkidfgoKBAA7" style="background-color: white; background-color: inherit" title="Data Type"/>  
            <span title="AllergyIntolerance.reaction.manifestation : Clinical symptoms and/or signs that are observed
             or associated with the adverse reaction event.">manifestation</span> 
            <a name="AllergyIntolerance.reaction.manifestation"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">1..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#CodeableConcept">CodeableConcept</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Clinical symptoms/signs associated with the Event
            <br/>  
            <a href="valueset-clinical-findings.html" title="Clinical symptoms and/or signs that are observed or associated with an Adverse Reaction
             Event.">SNOMED CT Clinical Findings</a>  (
            <a href="terminologies.html#example" title="Instances are not expected or even encouraged to draw from the specified value set.  The
             value set merely provides examples of the types of concepts intended to be included.">Example</a> )
            <br/>  
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIW
            XMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gYBFzI0BrFQCwAAAERJREFUOMtj/P//PwMlgImBQjDwBrCcOnWKokBgYWBgYDCU+06W5i
            8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>  
            <span title="AllergyIntolerance.reaction.description : Text description about the reaction as a whole,
             including details of the manifestation if required.">description</span> 
            <a name="AllergyIntolerance.reaction.description"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#string">string</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Description of the event as a whole</td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIZgEiYEgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAIElEQVQ4y2P8//8/AyWAiY
            FCMGrAqAGjBowaMGoAAgAALL0DKYQ0DPIAAAAASUVORK5CYII=" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIW
            XMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gYBFzI0BrFQCwAAAERJREFUOMtj/P//PwMlgImBQjDwBrCcOnWKokBgYWBgYDCU+06W5i
            8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>  
            <span title="AllergyIntolerance.reaction.onset : Record of the date and/or time of the onset of the
             Reaction.">onset</span> 
            <a name="AllergyIntolerance.reaction.onset"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#dateTime">dateTime</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Date(/time) when manifestations showed</td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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          VAgAJ//usAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            FCMGrAqAGjBowaMGoAAgAALL0DKYQ0DPIAAAAASUVORK5CYII=" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIW
            XMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gYBFzI0BrFQCwAAAERJREFUOMtj/P//PwMlgImBQjDwBrCcOnWKokBgYWBgYDCU+06W5i
            8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>  
            <span title="AllergyIntolerance.reaction.severity : Clinical assessment of the severity of the reaction
             event as a whole, potentially considering multiple different manifestations.">severity</span> 
            <a name="AllergyIntolerance.reaction.severity"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#code">code</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">mild | moderate | severe (of event as a whole)
            <br/>  
            <a href="valueset-reaction-event-severity.html" title="Clinical assessment of the severity of a reaction event as a whole, potentially considering
             multiple different manifestations.">AllergyIntoleranceSeverity</a>  (
            <a href="terminologies.html#required" title="To be conformant, the concept in this element SHALL be from the specified value set">Required</a> )
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALElEQVR42u3QwQkAMAwDsezq/WdIO4XJQwa9DTdJpulv258AAMANIgAAADUPYA
          VAgAJ//usAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIZgEiYEgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAIElEQVQ4y2P8//8/AyWAiY
            FCMGrAqAGjBowaMGoAAgAALL0DKYQ0DPIAAAAASUVORK5CYII=" style="background-color: inherit"/> 
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            <span title="AllergyIntolerance.reaction.exposureRoute : Identification of the route by which the subject
             was exposed to the substance.">exposureRoute</span> 
            <a name="AllergyIntolerance.reaction.exposureRoute"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#CodeableConcept">CodeableConcept</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">How the subject was exposed to the substance
            <br/>  
            <a href="valueset-route-codes.html" title="A coded concept describing the route or physiological path of administration of a therapeutic
             agent into or onto the body of a subject.">SNOMED CT Route Codes</a>  (
            <a href="terminologies.html#example" title="Instances are not expected or even encouraged to draw from the specified value set.  The
             value set merely provides examples of the types of concepts intended to be included.">Example</a> )
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,R0lGODlhEAAQAOZ/APrkusOiYvvfqbiXWaV2G+jGhdq1b8GgYf3v1frw3vTUlsWkZNewbcSjY/DQk
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            FgY9loiRA4dToTYnsOxg8CBGHE6ICvEYQ4AKzkidfgoKBAA7" style="background-color: white; background-color: inherit" title="Data Type"/>  
            <span title="AllergyIntolerance.reaction.note : Additional text about the adverse reaction event not
             captured in other fields.">note</span> 
            <a name="AllergyIntolerance.reaction.note"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#Annotation">Annotation</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Text about event not captured in other fields
            <br/>  
          </td> 
        </tr> 

        <tr> 
          <td class="hierarchy" colspan="5">
            <br/>  
            <a href="formats.html#table" title="Legend for this format">
              <img alt="doco" src="help16.png" style="background-color: inherit"/>  Documentation for this format
            </a> 
          </td> 
        </tr> 
      </table> 
    </div> 
  </text> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="3"/> 
  </extension> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="pc"/> 
  </extension> 
  <url value="http://hl7.org/fhir/StructureDefinition/AllergyIntolerance"/> 
  <name value="AllergyIntolerance"/> 
  <status value="draft"/> 
  <date value="2019-10-24T11:53:00+11:00"/> 
  <publisher value="Health Level Seven International (Patient Care)"/> 
  <contact> 
    <telecom> 
      <system value="url"/> 
      <value value="http://hl7.org/fhir"/> 
    </telecom> 
  </contact> 
  <contact> 
    <telecom> 
      <system value="url"/> 
      <value value="http://www.hl7.org/Special/committees/patientcare/index.cfm"/> 
    </telecom> 
  </contact> 
  <description value="Base StructureDefinition for AllergyIntolerance Resource"/> 
  <purpose value="To record a clinical assessment of a propensity, or potential risk to an individual, of
   an adverse reaction upon future exposure to the specified substance, or class of substance."/> 
  <fhirVersion value="3.0.2"/> 
  <mapping> 
    <identity value="rim"/> 
    <uri value="http://hl7.org/v3"/> 
    <name value="RIM Mapping"/> 
  </mapping> 
  <mapping> 
    <identity value="w5"/> 
    <uri value="http://hl7.org/fhir/w5"/> 
    <name value="W5 Mapping"/> 
  </mapping> 
  <mapping> 
    <identity value="v2"/> 
    <uri value="http://hl7.org/v2"/> 
    <name value="HL7 v2 Mapping"/> 
  </mapping> 
  <kind value="resource"/> 
  <abstract value="false"/> 
  <type value="AllergyIntolerance"/> 
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/DomainResource"/> 
  <derivation value="specialization"/> 
  <snapshot> 
    <element id="AllergyIntolerance">
      <path value="AllergyIntolerance"/> 
      <short value="Allergy or Intolerance (generally: Risk of adverse reaction to a substance)"/> 
      <definition value="Risk of harmful or undesirable, physiological response which is unique to an individual
       and associated with exposure to a substance."/> 
      <comment value="Substances include, but are not limited to: a therapeutic substance administered correctly
       at an appropriate dosage for the individual; food; material derived from plants or animals;
       or venom from insect stings."/> 
      <alias value="Allergy"/> 
      <alias value="Intolerance"/> 
      <alias value="Adverse Reaction"/> 
      <min value="0"/> 
      <max value="*"/> 
      <constraint> 
        <key value="dom-2"/> 
        <severity value="error"/> 
        <human value="If the resource is contained in another resource, it SHALL NOT contain nested Resources"/> 
        <expression value="contained.contained.empty()"/> 
        <xpath value="not(parent::f:contained and f:contained)"/> 
        <source value="DomainResource"/> 
      </constraint> 
      <constraint> 
        <key value="dom-1"/> 
        <severity value="error"/> 
        <human value="If the resource is contained in another resource, it SHALL NOT contain any narrative"/> 
        <expression value="contained.text.empty()"/> 
        <xpath value="not(parent::f:contained and f:text)"/> 
        <source value="DomainResource"/> 
      </constraint> 
      <constraint> 
        <key value="dom-4"/> 
        <severity value="error"/> 
        <human value="If a resource is contained in another resource, it SHALL NOT have a meta.versionId or
         a meta.lastUpdated"/> 
        <expression value="contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()"/> 
        <xpath value="not(exists(f:contained/*/f:meta/f:versionId)) and not(exists(f:contained/*/f:meta/f:lastUpdated))"/> 
        <source value="DomainResource"/> 
      </constraint> 
      <constraint> 
        <key value="dom-3"/> 
        <severity value="error"/> 
        <human value="If the resource is contained in another resource, it SHALL be referred to from elsewhere
         in the resource"/> 
        <expression value="contained.where(('#'+id in %resource.descendants().reference).not()).empty()"/> 
        <xpath value="not(exists(for $id in f:contained/*/@id return $id[not(ancestor::f:contained/parent::*/descendant::f
        :reference/@value=concat('#', $id))]))"/> 
        <source value="DomainResource"/> 
      </constraint> 
      <constraint> 
        <key value="ait-1"/> 
        <severity value="error"/> 
        <human value="AllergyIntolerance.clinicalStatus SHALL be present if verificationStatus is not entered-in-error."/> 
        <expression value="verificationStatus='entered-in-error' or clinicalStatus.exists()"/> 
        <xpath value="f:verificationStatus/@value='entered-in-error' or exists(f:clinicalStatus)"/> 
      </constraint> 
      <constraint> 
        <key value="ait-2"/> 
        <severity value="error"/> 
        <human value="AllergyIntolerance.clinicalStatus SHALL NOT be present if verification Status is entered-in-error"/> 
        <expression value="verificationStatus!='entered-in-error' or clinicalStatus.empty()"/> 
        <xpath value="f:verificationStatus/@value!='entered-in-error' or not(exists(f:clinicalStatus))"/> 
      </constraint> 
      <mapping> 
        <identity value="rim"/> 
        <map value="Entity. Role, or Act"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="Observation[classCode=OBS, moodCode=EVN]"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="clinical.general"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.id">
      <path value="AllergyIntolerance.id"/> 
      <short value="Logical id of this artifact"/> 
      <definition value="The logical id of the resource, as used in the URL for the resource. Once assigned, this
       value never changes."/> 
      <comment value="The only time that a resource does not have an id is when it is being submitted to the
       server using a create operation."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Resource.id"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="id"/> 
      </type> 
      <isSummary value="true"/> 
    </element> 
    <element id="AllergyIntolerance.meta">
      <path value="AllergyIntolerance.meta"/> 
      <short value="Metadata about the resource"/> 
      <definition value="The metadata about the resource. This is content that is maintained by the infrastructure.
       Changes to the content may not always be associated with version changes to the resource."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Resource.meta"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="Meta"/> 
      </type> 
      <isSummary value="true"/> 
    </element> 
    <element id="AllergyIntolerance.implicitRules">
      <path value="AllergyIntolerance.implicitRules"/> 
      <short value="A set of rules under which this content was created"/> 
      <definition value="A reference to a set of rules that were followed when the resource was constructed, and
       which must be understood when processing the content."/> 
      <comment value="Asserting this rule set restricts the content to be only understood by a limited set of
       trading partners. This inherently limits the usefulness of the data in the long term.
       However, the existing health eco-system is highly fractured, and not yet ready to define,
       collect, and exchange data in a generally computable sense. Wherever possible, implementers
       and/or specification writers should avoid using this element. 

This element is labelled as a modifier because the implicit rules may provide additional
       knowledge about the resource that modifies it's meaning or interpretation."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Resource.implicitRules"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="uri"/> 
      </type> 
      <isModifier value="true"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="AllergyIntolerance.language">
      <path value="AllergyIntolerance.language"/> 
      <short value="Language of the resource content"/> 
      <definition value="The base language in which the resource is written."/> 
      <comment value="Language is provided to support indexing and accessibility (typically, services such as
       text to speech use the language tag). The html language tag in the narrative applies 
       to the narrative. The language tag on the resource may be used to specify the language
       of other presentations generated from the data in the resource  Not all the content has
       to be in the base language. The Resource.language should not be assumed to apply to the
       narrative automatically. If a language is specified, it should it also be specified on
       the div element in the html (see rules in HTML5 for information about the relationship
       between xml:lang and the html lang attribute)."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Resource.language"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="code"/> 
      </type> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet">
          <valueReference> 
            <reference value="http://hl7.org/fhir/ValueSet/all-languages"/> 
          </valueReference> 
        </extension> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="Language"/> 
        </extension> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">
          <valueBoolean value="true"/> 
        </extension> 
        <strength value="extensible"/> 
        <description value="A human language."/> 
        <valueSetReference> 
          <reference value="http://hl7.org/fhir/ValueSet/languages"/> 
        </valueSetReference> 
      </binding> 
    </element> 
    <element id="AllergyIntolerance.text">
      <path value="AllergyIntolerance.text"/> 
      <short value="Text summary of the resource, for human interpretation"/> 
      <definition value="A human-readable narrative that contains a summary of the resource, and may be used to
       represent the content of the resource to a human. The narrative need not encode all the
       structured data, but is required to contain sufficient detail to make it &quot;clinically
       safe&quot; for a human to just read the narrative. Resource definitions may define what
       content should be represented in the narrative to ensure clinical safety."/> 
      <comment value="Contained resources do not have narrative. Resources that are not contained SHOULD have
       a narrative. In some cases, a resource may only have text with little or no additional
       discrete data (as long as all minOccurs=1 elements are satisfied).  This may be necessary
       for data from legacy systems where information is captured as a &quot;text blob&quot;
       or where text is additionally entered raw or narrated and encoded in formation is added
       later."/> 
      <alias value="narrative"/> 
      <alias value="html"/> 
      <alias value="xhtml"/> 
      <alias value="display"/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="DomainResource.text"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="Narrative"/> 
      </type> 
      <condition value="dom-1"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="Act.text?"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.contained">
      <path value="AllergyIntolerance.contained"/> 
      <short value="Contained, inline Resources"/> 
      <definition value="These resources do not have an independent existence apart from the resource that contains
       them - they cannot be identified independently, and nor can they have their own independent
       transaction scope."/> 
      <comment value="This should never be done when the content can be identified properly, as once identification
       is lost, it is extremely difficult (and context dependent) to restore it again."/> 
      <alias value="inline resources"/> 
      <alias value="anonymous resources"/> 
      <alias value="contained resources"/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="DomainResource.contained"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="Resource"/> 
      </type> 
      <mapping> 
        <identity value="rim"/> 
        <map value="N/A"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.extension">
      <path value="AllergyIntolerance.extension"/> 
      <short value="Additional Content defined by implementations"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the resource. In order to make the use of extensions safe and manageable, there is
       a strict set of governance  applied to the definition and use of extensions. Though any
       implementer is allowed to define an extension, there is a set of requirements that SHALL
       be met as part of the definition of the extension."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/> 
      <alias value="extensions"/> 
      <alias value="user content"/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="DomainResource.extension"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="Extension"/> 
      </type> 
      <mapping> 
        <identity value="rim"/> 
        <map value="N/A"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.modifierExtension">
      <path value="AllergyIntolerance.modifierExtension"/> 
      <short value="Extensions that cannot be ignored"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the resource, and that modifies the understanding of the element that contains it.
       Usually modifier elements provide negation or qualification. In order to make the use
       of extensions safe and manageable, there is a strict set of governance applied to the
       definition and use of extensions. Though any implementer is allowed to define an extension,
       there is a set of requirements that SHALL be met as part of the definition of the extension.
       Applications processing a resource are required to check for modifier extensions."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/> 
      <alias value="extensions"/> 
      <alias value="user content"/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="DomainResource.modifierExtension"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="Extension"/> 
      </type> 
      <isModifier value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="N/A"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.identifier">
      <path value="AllergyIntolerance.identifier"/> 
      <short value="External ids for this item"/> 
      <definition value="This records identifiers associated with this allergy/intolerance concern that are defined
       by business processes and/or used to refer to it when a direct URL reference to the resource
       itself is not appropriate (e.g. in CDA documents, or in written / printed documentation)."/> 
      <min value="0"/> 
      <max value="*"/> 
      <type> 
        <code value="Identifier"/> 
      </type> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="v2"/> 
        <map value="IAM-7"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="id"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="id"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.clinicalStatus">
      <path value="AllergyIntolerance.clinicalStatus"/> 
      <short value="active | inactive | resolved"/> 
      <definition value="The clinical status of the allergy or intolerance."/> 
      <comment value="This element is labeled as a modifier because the status contains the codes inactive and
       resolved that mark the AllergyIntolerance as not currently valid."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="code"/> 
      </type> 
      <condition value="ait-1"/> 
      <condition value="ait-2"/> 
      <isModifier value="true"/> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="AllergyIntoleranceClinicalStatus"/> 
        </extension> 
        <strength value="required"/> 
        <description value="The clinical status of the allergy or intolerance."/> 
        <valueSetReference> 
          <reference value="http://hl7.org/fhir/ValueSet/allergy-clinical-status"/> 
        </valueSetReference> 
      </binding> 
      <mapping> 
        <identity value="rim"/> 
        <map value="Observation ACT
.inboundRelationship[typeCode=COMP].source[classCode=OBS, code=&quot;clinicalStatus&quot;,
         moodCode=EVN].value"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="status"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.verificationStatus">
      <path value="AllergyIntolerance.verificationStatus"/> 
      <short value="unconfirmed | confirmed | refuted | entered-in-error"/> 
      <definition value="Assertion about certainty associated with the propensity, or potential risk, of a reaction
       to the identified substance (including pharmaceutical product)."/> 
      <comment value="This element is labeled as a modifier because the status contains the codes refuted and
       entered-in-error that mark the AllergyIntolerance as not currently valid."/> 
      <min value="1"/> 
      <max value="1"/> 
      <type> 
        <code value="code"/> 
      </type> 
      <condition value="ait-1"/> 
      <condition value="ait-2"/> 
      <isModifier value="true"/> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="AllergyIntoleranceVerificationStatus"/> 
        </extension> 
        <strength value="required"/> 
        <description value="Assertion about certainty associated with a propensity, or potential risk, of a reaction
         to the identified substance."/> 
        <valueSetReference> 
          <reference value="http://hl7.org/fhir/ValueSet/allergy-verification-status"/> 
        </valueSetReference> 
      </binding> 
      <mapping> 
        <identity value="rim"/> 
        <map value="Observation ACT
.inboundRelationship[typeCode=COMP].source[classCode=OBS, code=&quot;verificationStatus&quot;,
         moodCode=EVN].value"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="status"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.type">
      <path value="AllergyIntolerance.type"/> 
      <short value="allergy | intolerance - Underlying mechanism (if known)"/> 
      <definition value="Identification of the underlying physiological mechanism for the reaction risk."/> 
      <comment value="Allergic (typically immune-mediated) reactions have been traditionally regarded as an
       indicator for potential escalation to significant future risk. Contemporary knowledge
       suggests that some reactions previously thought to be immune-mediated are, in fact, non-immune,
       but in some cases can still pose a life threatening risk. It is acknowledged that many
       clinicians may not be in a position to distinguish the mechanism of a particular reaction.
       Often the term &quot;allergy&quot; is used rather generically and may overlap with the
       use of &quot;intolerance&quot; - in practice the boundaries between these two concepts
       may not be well-defined or understood. This data element is included nevertheless, because
       many legacy systems have captured this attribute. Immunologic testing may provide supporting
       evidence for the basis of the reaction and the causative substance, but no tests are 100%
       sensitive or specific for sensitivity to a particular substance. If, as is commonly the
       case, it is unclear whether the reaction is due to an allergy or an intolerance, then
       the type element should be omitted from the resource."/> 
      <alias value="Category"/> 
      <alias value="Class"/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="code"/> 
      </type> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="AllergyIntoleranceType"/> 
        </extension> 
        <strength value="required"/> 
        <description value="Identification of the underlying physiological mechanism for a Reaction Risk."/> 
        <valueSetReference> 
          <reference value="http://hl7.org/fhir/ValueSet/allergy-intolerance-type"/> 
        </valueSetReference> 
      </binding> 
      <mapping> 
        <identity value="v2"/> 
        <map value="IAM-9"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="code"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="class"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.category">
      <path value="AllergyIntolerance.category"/> 
      <short value="food | medication | environment | biologic"/> 
      <definition value="Category of the identified substance."/> 
      <comment value="This data element has been included because it is currently being captured in some clinical
       systems. This data can be derived from the substance where coding systems are used, and
       is effectively redundant in that situation.  When searching on category, consider the
       implications of AllergyIntolerance resources without a category.  For example, when searching
       on category = medication, medication allergies that don't have a category valued will
       not be returned.  Refer to [search](search.html) for more information on how to search
       category with a :missing modifier to get allergies that don't have a category.  Additionally,
       category should be used with caution because category can be subjective based on the sender."/> 
      <alias value="Category"/> 
      <alias value="Type"/> 
      <alias value="Reaction Type"/> 
      <alias value="Class"/> 
      <min value="0"/> 
      <max value="*"/> 
      <type> 
        <code value="code"/> 
      </type> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="AllergyIntoleranceCategory"/> 
        </extension> 
        <strength value="required"/> 
        <description value="Category of an identified substance."/> 
        <valueSetReference> 
          <reference value="http://hl7.org/fhir/ValueSet/allergy-intolerance-category"/> 
        </valueSetReference> 
      </binding> 
      <mapping> 
        <identity value="v2"/> 
        <map value="AL1-2"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="value &lt; IntoleranceValue (Agent)"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="class"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.criticality">
      <path value="AllergyIntolerance.criticality"/> 
      <short value="low | high | unable-to-assess"/> 
      <definition value="Estimate of the potential clinical harm, or seriousness, of the reaction to the identified
       substance."/> 
      <comment value="The default criticality value for any propensity to an adverse reaction should be 'Low
       Risk', indicating at the very least a relative contraindication to deliberate or voluntary
       exposure to the substance. 'High Risk' is flagged if the clinician has identified a propensity
       for a more serious or potentially life-threatening reaction, such as anaphylaxis, and
       implies an absolute contraindication to deliberate or voluntary exposure to the substance.
       If this element is missing, the criticality is unknown (though it may be known elsewhere).

Systems that capture a severity at the condition level are actually representing the concept
       of criticality whereas the severity documented at the reaction level is representing the
       true reaction severity.  Existing systems that are capturing both condition criticality
       and reaction severity may use the term &quot;severity&quot; to represent both.  Criticality
       is the worst it could be in the future (i.e. situation-agnostic) whereas severity is situation-depen
      dent."/> 
      <alias value="Severity"/> 
      <alias value="Seriousness"/> 
      <alias value="Contra-indication"/> 
      <alias value="Risk"/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="code"/> 
      </type> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="AllergyIntoleranceCriticality"/> 
        </extension> 
        <strength value="required"/> 
        <description value="Estimate of the potential clinical harm, or seriousness, of a reaction to an identified
         substance."/> 
        <valueSetReference> 
          <reference value="http://hl7.org/fhir/ValueSet/allergy-intolerance-criticality"/> 
        </valueSetReference> 
      </binding> 
      <mapping> 
        <identity value="v2"/> 
        <map value="AL1-4"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="inboundRelationship[typeCode=SUBJ].source[classCode=OBS, moodCode=EVN, code=SEV, value
         &lt;= SeverityObservation (Severity Level)]"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="grade"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.code">
      <path value="AllergyIntolerance.code"/> 
      <short value="Code that identifies the allergy or intolerance"/> 
      <definition value="Code for an allergy or intolerance statement (either a positive or a negated/excluded
       statement).  This may be a code for a substance or pharmaceutical product that is considered
       to be responsible for the adverse reaction risk (e.g., &quot;Latex&quot;), an allergy
       or intolerance condition (e.g., &quot;Latex allergy&quot;), or a negated/excluded code
       for a specific substance or class (e.g., &quot;No latex allergy&quot;) or a general or
       categorical negated statement (e.g.,  &quot;No known allergy&quot;, &quot;No known drug
       allergies&quot;)."/> 
      <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, ICD-9, IDC-10,
       UNI, ATC and CPT. Plain text should only be used if there is no appropriate terminology
       available. Additional details can be specified in the text.

When a substance or product code is specified for the 'code' element, the &quot;default&quot;
       semantic context is that this is a positive statement of an allergy or intolerance (depending
       on the value of the 'type' element, if present) condition to the specified substance/product.
        In the corresponding SNOMED CT allergy model, the specified substance/product is the
       target (destination) of the &quot;Causative agent&quot; relationship.

The 'substanceExposureRisk' extension is available as a structured and more flexible alternative
       to the 'code' element for making positive or negative allergy or intolerance statements.
        This extension provides the capability to make &quot;no known allergy&quot; (or &quot;no
       risk of adverse reaction&quot;) statements regarding any coded substance/product (including
       cases when a pre-coordinated &quot;no allergy to x&quot; concept for that substance/product
       does not exist).  If the 'substanceExposureRisk' extension is present, the AllergyIntolerance.code
       element SHALL be omitted."/> 
      <alias value="Code"/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="CodeableConcept"/> 
      </type> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="AllergyIntoleranceCode"/> 
        </extension> 
        <strength value="example"/> 
        <description value="Type of the substance/product, allergy or intolerance condition, or negation/exclusion
         codes for reporting no known allergies."/> 
        <valueSetReference> 
          <reference value="http://hl7.org/fhir/ValueSet/allergyintolerance-code"/> 
        </valueSetReference> 
      </binding> 
      <mapping> 
        <identity value="v2"/> 
        <map value="AL1-3 / IAM-3"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="substance/product:

.participation[typeCode=CAGNT].role[classCode=ADMM].player[classCode=MAT, determinerCode=KIND,
         code &lt;= ExposureAgentEntityType]

negated/excluded substance/product:

.participation[typeCode=CAGNT, negationInd=true].role[classCode=ADMM].player[classCode=MAT,
         determinerCode=KIND, code &lt;= ExposureAgentEntityType]

positive or negated/excluded condition/situation:

Observation.code=ASSERTION; Observation.value"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="what"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.patient">
      <path value="AllergyIntolerance.patient"/> 
      <short value="Who the sensitivity is for"/> 
      <definition value="The patient who has the allergy or intolerance."/> 
      <alias value="Patient"/> 
      <min value="1"/> 
      <max value="1"/> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient"/> 
      </type> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="v2"/> 
        <map value="(PID-3)"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".participation[typeCode=SBJ].role[classCode=PAT]"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="who.focus"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.onset[x]">
      <path value="AllergyIntolerance.onset[x]"/> 
      <short value="When allergy or intolerance was identified"/> 
      <definition value="Estimated or actual date,  date-time, or age when allergy or intolerance was identified."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="dateTime"/> 
      </type> 
      <type> 
        <code value="Age"/> 
      </type> 
      <type> 
        <code value="Period"/> 
      </type> 
      <type> 
        <code value="Range"/> 
      </type> 
      <type> 
        <code value="string"/> 
      </type> 
      <mapping> 
        <identity value="rim"/> 
        <map value="effectiveTime.low"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="when.init"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.assertedDate">
      <path value="AllergyIntolerance.assertedDate"/> 
      <short value="Date record was believed accurate"/> 
      <definition value="The date on which the existance of the AllergyIntolerance was first asserted or acknowledged."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="dateTime"/> 
      </type> 
      <mapping> 
        <identity value="v2"/> 
        <map value="IAM-20"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".participation[typeCode=AUT].time"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="when.recorded"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.recorder">
      <path value="AllergyIntolerance.recorder"/> 
      <short value="Who recorded the sensitivity"/> 
      <definition value="Individual who recorded the record and takes responsibility for its content."/> 
      <alias value="Author"/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/> 
      </type> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient"/> 
      </type> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".participation[typeCode=AUT].role"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="who.author"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.asserter">
      <path value="AllergyIntolerance.asserter"/> 
      <short value="Source of the information about the allergy"/> 
      <definition value="The source of the information about the allergy that is recorded."/> 
      <comment value="The recorder takes repsonsibility for the content, but can reference the source from where
       they got it."/> 
      <alias value="Source"/> 
      <alias value="Informant"/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient"/> 
      </type> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/RelatedPerson"/> 
      </type> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/> 
      </type> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="v2"/> 
        <map value="IAM-14 (if patient) / IAM-18 (if practitioner)"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".participation[typeCode=INF].role"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="who.source"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.lastOccurrence">
      <path value="AllergyIntolerance.lastOccurrence"/> 
      <short value="Date(/time) of last known occurrence of a reaction"/> 
      <definition value="Represents the date and/or time of the last known occurrence of a reaction event."/> 
      <comment value="This date may be replicated by one of the Onset of Reaction dates. Where a textual representation
       of the date of last occurrence is required e.g. 'In Childhood, '10 years ago' the Comment
       element should be used."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="dateTime"/> 
      </type> 
      <mapping> 
        <identity value="rim"/> 
        <map value="outBoundRelationship[typeCode=SUBJ].target[classCode=OBS, moodCode=EVN, code &lt;= CommonClinicalObs
        ervationType, value &lt;= ObservationValue (Reaction Type)].effectiveTime"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.note">
      <path value="AllergyIntolerance.note"/> 
      <short value="Additional text not captured in other fields"/> 
      <definition value="Additional narrative about the propensity for the Adverse Reaction, not captured in other
       fields."/> 
      <comment value="For example: including reason for flagging a seriousness of 'High Risk'; and instructions
       related to future exposure or administration of the substance, such as administration
       within an Intensive Care Unit or under corticosteroid cover. The notes should be related
       to an allergy or intolerance as a condition in general and not related to any particular
       episode of it. For episode notes and descriptions, use AllergyIntolerance.event.description
       and  AllergyIntolerance.event.notes."/> 
      <min value="0"/> 
      <max value="*"/> 
      <type> 
        <code value="Annotation"/> 
      </type> 
      <mapping> 
        <identity value="rim"/> 
        <map value="subjectOf.observationEvent[code=&quot;annotation&quot;].value"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.reaction">
      <path value="AllergyIntolerance.reaction"/> 
      <short value="Adverse Reaction Events linked to exposure to substance"/> 
      <definition value="Details about each adverse reaction event linked to exposure to the identified substance."/> 
      <min value="0"/> 
      <max value="*"/> 
      <type> 
        <code value="BackboneElement"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() | (children().count() &gt; id.count())"/> 
        <xpath value="@value|f:*|h:div"/> 
        <source value="Element"/> 
      </constraint> 
      <mapping> 
        <identity value="rim"/> 
        <map value="outBoundRelationship[typeCode=SUBJ].target[classCode=OBS, moodCode=EVN, code &lt;= CommonClinicalObs
        ervationType, value &lt;= ObservationValue (Reaction Type)]"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.reaction.id">
      <path value="AllergyIntolerance.reaction.id"/> 
      <representation value="xmlAttr"/> 
      <short value="xml:id (or equivalent in JSON)"/> 
      <definition value="unique id for the element within a resource (for internal references). This may be any
       string value that does not contain spaces."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Element.id"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="string"/> 
      </type> 
      <mapping> 
        <identity value="rim"/> 
        <map value="n/a"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.reaction.extension">
      <path value="AllergyIntolerance.reaction.extension"/> 
      <short value="Additional Content defined by implementations"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. In order to make the use of extensions safe and manageable, there is a
       strict set of governance  applied to the definition and use of extensions. Though any
       implementer is allowed to define an extension, there is a set of requirements that SHALL
       be met as part of the definition of the extension."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/> 
      <alias value="extensions"/> 
      <alias value="user content"/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="Element.extension"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="Extension"/> 
      </type> 
      <mapping> 
        <identity value="rim"/> 
        <map value="n/a"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.reaction.modifierExtension">
      <path value="AllergyIntolerance.reaction.modifierExtension"/> 
      <short value="Extensions that cannot be ignored"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element, and that modifies the understanding of the element that contains it. Usually
       modifier elements provide negation or qualification. In order to make the use of extensions
       safe and manageable, there is a strict set of governance applied to the definition and
       use of extensions. Though any implementer is allowed to define an extension, there is
       a set of requirements that SHALL be met as part of the definition of the extension. Applications
       processing a resource are required to check for modifier extensions."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/> 
      <alias value="extensions"/> 
      <alias value="user content"/> 
      <alias value="modifiers"/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="BackboneElement.modifierExtension"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="Extension"/> 
      </type> 
      <isModifier value="true"/> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="N/A"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.reaction.substance">
      <path value="AllergyIntolerance.reaction.substance"/> 
      <short value="Specific substance or pharmaceutical product considered to be responsible for event"/> 
      <definition value="Identification of the specific substance (or pharmaceutical product) considered to be
       responsible for the Adverse Reaction event. Note: the substance for a specific reaction
       may be different from the substance identified as the cause of the risk, but it must be
       consistent with it. For instance, it may be a more specific substance (e.g. a brand medication)
       or a composite product that includes the identified substance. It must be clinically safe
       to only process the 'code' and ignore the 'reaction.substance'."/> 
      <comment value="Coding of the specific substance (or pharmaceutical product) with a terminology capable
       of triggering decision support should be used wherever possible.  The 'code' element allows
       for the use of a specific substance or pharmaceutical product, or a group or class of
       substances. In the case of an allergy or intolerance to a class of substances, (for example,
       &quot;penicillins&quot;), the 'reaction.substance' element could be used to code the specific
       substance that was identifed as having caused the reaction (for example, &quot;amoxycillin&quot;).
       Duplication of the value in the 'code' and 'reaction.substance' elements is acceptable
       when a specific substance has been recorded in 'code'."/> 
      <min value="0"/> 
      <max value="1"/> 
      <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> 
      <mapping> 
        <identity value="rim"/> 
        <map value="outBoundRelationship[typeCode=SAS].target[classCode=SBADM, code &lt;= ExposureCode].participation[ty
        peCode=CSM].role[classCode=ADMM].player[classCode=MAT, determinerCode=KIND, code &lt;=
         ExposureAgentEntityType]"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.reaction.manifestation">
      <path value="AllergyIntolerance.reaction.manifestation"/> 
      <short value="Clinical symptoms/signs associated with the Event"/> 
      <definition value="Clinical symptoms and/or signs that are observed or associated with the adverse reaction
       event."/> 
      <comment value="Manifestation can be expressed as a single word, phrase or brief description. For example:
       nausea, rash or no reaction. It is preferable that manifestation should be coded with
       a terminology, where possible. The values entered here may be used to display on an application
       screen as part of a list of adverse reactions, as recommended in the UK NHS CUI guidelines.
        Terminologies commonly used include, but are not limited to, SNOMED CT or ICD10."/> 
      <alias value="Symptoms"/> 
      <alias value="Signs"/> 
      <min value="1"/> 
      <max value="*"/> 
      <type> 
        <code value="CodeableConcept"/> 
      </type> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="Manifestation"/> 
        </extension> 
        <strength value="example"/> 
        <description value="Clinical symptoms and/or signs that are observed or associated with an Adverse Reaction
         Event."/> 
        <valueSetReference> 
          <reference value="http://hl7.org/fhir/ValueSet/clinical-findings"/> 
        </valueSetReference> 
      </binding> 
      <mapping> 
        <identity value="v2"/> 
        <map value="AL1-5"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="code"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.reaction.description">
      <path value="AllergyIntolerance.reaction.description"/> 
      <short value="Description of the event as a whole"/> 
      <definition value="Text description about the reaction as a whole, including details of the manifestation
       if required."/> 
      <comment value="Use the description to provide any details of a particular event of the occurred reaction
       such as circumstances, reaction specifics, what happened before/after. Information, related
       to the event, but not describing a particular care should be captured in the comment field.
       For example: at the age of four, the patient was given penicillin for strep throat and
       subsequently developed severe hives."/> 
      <alias value="Narrative"/> 
      <alias value="Text"/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="string"/> 
      </type> 
      <mapping> 
        <identity value="rim"/> 
        <map value="text"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.reaction.onset">
      <path value="AllergyIntolerance.reaction.onset"/> 
      <short value="Date(/time) when manifestations showed"/> 
      <definition value="Record of the date and/or time of the onset of the Reaction."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="dateTime"/> 
      </type> 
      <mapping> 
        <identity value="v2"/> 
        <map value="AL1-6"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="effectiveTime.low"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.reaction.severity">
      <path value="AllergyIntolerance.reaction.severity"/> 
      <short value="mild | moderate | severe (of event as a whole)"/> 
      <definition value="Clinical assessment of the severity of the reaction event as a whole, potentially considering
       multiple different manifestations."/> 
      <comment value="It is acknowledged that this assessment is very subjective. There may be some some specific
       practice domains where objective scales have been applied. Objective scales can be included
       in this model as extensions."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="code"/> 
      </type> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="AllergyIntoleranceSeverity"/> 
        </extension> 
        <strength value="required"/> 
        <description value="Clinical assessment of the severity of a reaction event as a whole, potentially considering
         multiple different manifestations."/> 
        <valueSetReference> 
          <reference value="http://hl7.org/fhir/ValueSet/reaction-event-severity"/> 
        </valueSetReference> 
      </binding> 
      <mapping> 
        <identity value="rim"/> 
        <map value="inboundRelationship[typeCode=SUBJ].source[classCode=OBS, moodCode=EVN, code=SEV, value
         &lt;= SeverityObservation (Severity Level)]"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.reaction.exposureRoute">
      <path value="AllergyIntolerance.reaction.exposureRoute"/> 
      <short value="How the subject was exposed to the substance"/> 
      <definition value="Identification of the route by which the subject was exposed to the substance."/> 
      <comment value="Coding of the route of exposure with a terminology should be used wherever possible."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="CodeableConcept"/> 
      </type> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="RouteOfAdministration"/> 
        </extension> 
        <strength value="example"/> 
        <description value="A coded concept describing the route or physiological path of administration of a therapeutic
         agent into or onto the body of a subject."/> 
        <valueSetReference> 
          <reference value="http://hl7.org/fhir/ValueSet/route-codes"/> 
        </valueSetReference> 
      </binding> 
      <mapping> 
        <identity value="rim"/> 
        <map value="outBoundRelationship[typeCode=SAS].target[classCode=SBADM, code &lt;= ExposureCode].routeCode"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.reaction.note">
      <path value="AllergyIntolerance.reaction.note"/> 
      <short value="Text about event not captured in other fields"/> 
      <definition value="Additional text about the adverse reaction event not captured in other fields."/> 
      <comment value="Use this field to record information indirectly related to a particular event and not
       captured in the description. For example: Clinical records are no longer available, recorded
       based on information provided to the patient by her mother and her mother is deceased."/> 
      <min value="0"/> 
      <max value="*"/> 
      <type> 
        <code value="Annotation"/> 
      </type> 
      <mapping> 
        <identity value="rim"/> 
        <map value="subjectOf.observationEvent[code=&quot;annotation&quot;].value"/> 
      </mapping> 
    </element> 
  </snapshot> 
  <differential> 
    <element id="AllergyIntolerance">
      <path value="AllergyIntolerance"/> 
      <short value="Allergy or Intolerance (generally: Risk of adverse reaction to a substance)"/> 
      <definition value="Risk of harmful or undesirable, physiological response which is unique to an individual
       and associated with exposure to a substance."/> 
      <comment value="Substances include, but are not limited to: a therapeutic substance administered correctly
       at an appropriate dosage for the individual; food; material derived from plants or animals;
       or venom from insect stings."/> 
      <alias value="Allergy"/> 
      <alias value="Intolerance"/> 
      <alias value="Adverse Reaction"/> 
      <min value="0"/> 
      <max value="*"/> 
      <constraint> 
        <key value="ait-1"/> 
        <severity value="error"/> 
        <human value="AllergyIntolerance.clinicalStatus SHALL be present if verificationStatus is not entered-in-error."/> 
        <expression value="verificationStatus='entered-in-error' or clinicalStatus.exists()"/> 
        <xpath value="f:verificationStatus/@value='entered-in-error' or exists(f:clinicalStatus)"/> 
      </constraint> 
      <constraint> 
        <key value="ait-2"/> 
        <severity value="error"/> 
        <human value="AllergyIntolerance.clinicalStatus SHALL NOT be present if verification Status is entered-in-error"/> 
        <expression value="verificationStatus!='entered-in-error' or clinicalStatus.empty()"/> 
        <xpath value="f:verificationStatus/@value!='entered-in-error' or not(exists(f:clinicalStatus))"/> 
      </constraint> 
      <mapping> 
        <identity value="rim"/> 
        <map value="Observation[classCode=OBS, moodCode=EVN]"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="clinical.general"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.identifier">
      <path value="AllergyIntolerance.identifier"/> 
      <short value="External ids for this item"/> 
      <definition value="This records identifiers associated with this allergy/intolerance concern that are defined
       by business processes and/or used to refer to it when a direct URL reference to the resource
       itself is not appropriate (e.g. in CDA documents, or in written / printed documentation)."/> 
      <min value="0"/> 
      <max value="*"/> 
      <type> 
        <code value="Identifier"/> 
      </type> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="v2"/> 
        <map value="IAM-7"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="id"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="id"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.clinicalStatus">
      <path value="AllergyIntolerance.clinicalStatus"/> 
      <short value="active | inactive | resolved"/> 
      <definition value="The clinical status of the allergy or intolerance."/> 
      <comment value="This element is labeled as a modifier because the status contains the codes inactive and
       resolved that mark the AllergyIntolerance as not currently valid."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="code"/> 
      </type> 
      <condition value="ait-1"/> 
      <condition value="ait-2"/> 
      <isModifier value="true"/> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="AllergyIntoleranceClinicalStatus"/> 
        </extension> 
        <strength value="required"/> 
        <description value="The clinical status of the allergy or intolerance."/> 
        <valueSetReference> 
          <reference value="http://hl7.org/fhir/ValueSet/allergy-clinical-status"/> 
        </valueSetReference> 
      </binding> 
      <mapping> 
        <identity value="rim"/> 
        <map value="Observation ACT
.inboundRelationship[typeCode=COMP].source[classCode=OBS, code=&quot;clinicalStatus&quot;,
         moodCode=EVN].value"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="status"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.verificationStatus">
      <path value="AllergyIntolerance.verificationStatus"/> 
      <short value="unconfirmed | confirmed | refuted | entered-in-error"/> 
      <definition value="Assertion about certainty associated with the propensity, or potential risk, of a reaction
       to the identified substance (including pharmaceutical product)."/> 
      <comment value="This element is labeled as a modifier because the status contains the codes refuted and
       entered-in-error that mark the AllergyIntolerance as not currently valid."/> 
      <min value="1"/> 
      <max value="1"/> 
      <type> 
        <code value="code"/> 
      </type> 
      <condition value="ait-1"/> 
      <condition value="ait-2"/> 
      <isModifier value="true"/> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="AllergyIntoleranceVerificationStatus"/> 
        </extension> 
        <strength value="required"/> 
        <description value="Assertion about certainty associated with a propensity, or potential risk, of a reaction
         to the identified substance."/> 
        <valueSetReference> 
          <reference value="http://hl7.org/fhir/ValueSet/allergy-verification-status"/> 
        </valueSetReference> 
      </binding> 
      <mapping> 
        <identity value="rim"/> 
        <map value="Observation ACT
.inboundRelationship[typeCode=COMP].source[classCode=OBS, code=&quot;verificationStatus&quot;,
         moodCode=EVN].value"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="status"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.type">
      <path value="AllergyIntolerance.type"/> 
      <short value="allergy | intolerance - Underlying mechanism (if known)"/> 
      <definition value="Identification of the underlying physiological mechanism for the reaction risk."/> 
      <comment value="Allergic (typically immune-mediated) reactions have been traditionally regarded as an
       indicator for potential escalation to significant future risk. Contemporary knowledge
       suggests that some reactions previously thought to be immune-mediated are, in fact, non-immune,
       but in some cases can still pose a life threatening risk. It is acknowledged that many
       clinicians may not be in a position to distinguish the mechanism of a particular reaction.
       Often the term &quot;allergy&quot; is used rather generically and may overlap with the
       use of &quot;intolerance&quot; - in practice the boundaries between these two concepts
       may not be well-defined or understood. This data element is included nevertheless, because
       many legacy systems have captured this attribute. Immunologic testing may provide supporting
       evidence for the basis of the reaction and the causative substance, but no tests are 100%
       sensitive or specific for sensitivity to a particular substance. If, as is commonly the
       case, it is unclear whether the reaction is due to an allergy or an intolerance, then
       the type element should be omitted from the resource."/> 
      <alias value="Category"/> 
      <alias value="Class"/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="code"/> 
      </type> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="AllergyIntoleranceType"/> 
        </extension> 
        <strength value="required"/> 
        <description value="Identification of the underlying physiological mechanism for a Reaction Risk."/> 
        <valueSetReference> 
          <reference value="http://hl7.org/fhir/ValueSet/allergy-intolerance-type"/> 
        </valueSetReference> 
      </binding> 
      <mapping> 
        <identity value="v2"/> 
        <map value="IAM-9"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="code"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="class"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.category">
      <path value="AllergyIntolerance.category"/> 
      <short value="food | medication | environment | biologic"/> 
      <definition value="Category of the identified substance."/> 
      <comment value="This data element has been included because it is currently being captured in some clinical
       systems. This data can be derived from the substance where coding systems are used, and
       is effectively redundant in that situation.  When searching on category, consider the
       implications of AllergyIntolerance resources without a category.  For example, when searching
       on category = medication, medication allergies that don't have a category valued will
       not be returned.  Refer to [search](search.html) for more information on how to search
       category with a :missing modifier to get allergies that don't have a category.  Additionally,
       category should be used with caution because category can be subjective based on the sender."/> 
      <alias value="Category"/> 
      <alias value="Type"/> 
      <alias value="Reaction Type"/> 
      <alias value="Class"/> 
      <min value="0"/> 
      <max value="*"/> 
      <type> 
        <code value="code"/> 
      </type> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="AllergyIntoleranceCategory"/> 
        </extension> 
        <strength value="required"/> 
        <description value="Category of an identified substance."/> 
        <valueSetReference> 
          <reference value="http://hl7.org/fhir/ValueSet/allergy-intolerance-category"/> 
        </valueSetReference> 
      </binding> 
      <mapping> 
        <identity value="v2"/> 
        <map value="AL1-2"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="value &lt; IntoleranceValue (Agent)"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="class"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.criticality">
      <path value="AllergyIntolerance.criticality"/> 
      <short value="low | high | unable-to-assess"/> 
      <definition value="Estimate of the potential clinical harm, or seriousness, of the reaction to the identified
       substance."/> 
      <comment value="The default criticality value for any propensity to an adverse reaction should be 'Low
       Risk', indicating at the very least a relative contraindication to deliberate or voluntary
       exposure to the substance. 'High Risk' is flagged if the clinician has identified a propensity
       for a more serious or potentially life-threatening reaction, such as anaphylaxis, and
       implies an absolute contraindication to deliberate or voluntary exposure to the substance.
       If this element is missing, the criticality is unknown (though it may be known elsewhere).

Systems that capture a severity at the condition level are actually representing the concept
       of criticality whereas the severity documented at the reaction level is representing the
       true reaction severity.  Existing systems that are capturing both condition criticality
       and reaction severity may use the term &quot;severity&quot; to represent both.  Criticality
       is the worst it could be in the future (i.e. situation-agnostic) whereas severity is situation-depen
      dent."/> 
      <alias value="Severity"/> 
      <alias value="Seriousness"/> 
      <alias value="Contra-indication"/> 
      <alias value="Risk"/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="code"/> 
      </type> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="AllergyIntoleranceCriticality"/> 
        </extension> 
        <strength value="required"/> 
        <description value="Estimate of the potential clinical harm, or seriousness, of a reaction to an identified
         substance."/> 
        <valueSetReference> 
          <reference value="http://hl7.org/fhir/ValueSet/allergy-intolerance-criticality"/> 
        </valueSetReference> 
      </binding> 
      <mapping> 
        <identity value="v2"/> 
        <map value="AL1-4"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="inboundRelationship[typeCode=SUBJ].source[classCode=OBS, moodCode=EVN, code=SEV, value
         &lt;= SeverityObservation (Severity Level)]"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="grade"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.code">
      <path value="AllergyIntolerance.code"/> 
      <short value="Code that identifies the allergy or intolerance"/> 
      <definition value="Code for an allergy or intolerance statement (either a positive or a negated/excluded
       statement).  This may be a code for a substance or pharmaceutical product that is considered
       to be responsible for the adverse reaction risk (e.g., &quot;Latex&quot;), an allergy
       or intolerance condition (e.g., &quot;Latex allergy&quot;), or a negated/excluded code
       for a specific substance or class (e.g., &quot;No latex allergy&quot;) or a general or
       categorical negated statement (e.g.,  &quot;No known allergy&quot;, &quot;No known drug
       allergies&quot;)."/> 
      <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, ICD-9, IDC-10,
       UNI, ATC and CPT. Plain text should only be used if there is no appropriate terminology
       available. Additional details can be specified in the text.

When a substance or product code is specified for the 'code' element, the &quot;default&quot;
       semantic context is that this is a positive statement of an allergy or intolerance (depending
       on the value of the 'type' element, if present) condition to the specified substance/product.
        In the corresponding SNOMED CT allergy model, the specified substance/product is the
       target (destination) of the &quot;Causative agent&quot; relationship.

The 'substanceExposureRisk' extension is available as a structured and more flexible alternative
       to the 'code' element for making positive or negative allergy or intolerance statements.
        This extension provides the capability to make &quot;no known allergy&quot; (or &quot;no
       risk of adverse reaction&quot;) statements regarding any coded substance/product (including
       cases when a pre-coordinated &quot;no allergy to x&quot; concept for that substance/product
       does not exist).  If the 'substanceExposureRisk' extension is present, the AllergyIntolerance.code
       element SHALL be omitted."/> 
      <alias value="Code"/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="CodeableConcept"/> 
      </type> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="AllergyIntoleranceCode"/> 
        </extension> 
        <strength value="example"/> 
        <description value="Type of the substance/product, allergy or intolerance condition, or negation/exclusion
         codes for reporting no known allergies."/> 
        <valueSetReference> 
          <reference value="http://hl7.org/fhir/ValueSet/allergyintolerance-code"/> 
        </valueSetReference> 
      </binding> 
      <mapping> 
        <identity value="v2"/> 
        <map value="AL1-3 / IAM-3"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="substance/product:

.participation[typeCode=CAGNT].role[classCode=ADMM].player[classCode=MAT, determinerCode=KIND,
         code &lt;= ExposureAgentEntityType]

negated/excluded substance/product:

.participation[typeCode=CAGNT, negationInd=true].role[classCode=ADMM].player[classCode=MAT,
         determinerCode=KIND, code &lt;= ExposureAgentEntityType]

positive or negated/excluded condition/situation:

Observation.code=ASSERTION; Observation.value"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="what"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.patient">
      <path value="AllergyIntolerance.patient"/> 
      <short value="Who the sensitivity is for"/> 
      <definition value="The patient who has the allergy or intolerance."/> 
      <alias value="Patient"/> 
      <min value="1"/> 
      <max value="1"/> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient"/> 
      </type> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="v2"/> 
        <map value="(PID-3)"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".participation[typeCode=SBJ].role[classCode=PAT]"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="who.focus"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.onset[x]">
      <path value="AllergyIntolerance.onset[x]"/> 
      <short value="When allergy or intolerance was identified"/> 
      <definition value="Estimated or actual date,  date-time, or age when allergy or intolerance was identified."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="dateTime"/> 
      </type> 
      <type> 
        <code value="Age"/> 
      </type> 
      <type> 
        <code value="Period"/> 
      </type> 
      <type> 
        <code value="Range"/> 
      </type> 
      <type> 
        <code value="string"/> 
      </type> 
      <mapping> 
        <identity value="rim"/> 
        <map value="effectiveTime.low"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="when.init"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.assertedDate">
      <path value="AllergyIntolerance.assertedDate"/> 
      <short value="Date record was believed accurate"/> 
      <definition value="The date on which the existance of the AllergyIntolerance was first asserted or acknowledged."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="dateTime"/> 
      </type> 
      <mapping> 
        <identity value="v2"/> 
        <map value="IAM-20"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".participation[typeCode=AUT].time"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="when.recorded"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.recorder">
      <path value="AllergyIntolerance.recorder"/> 
      <short value="Who recorded the sensitivity"/> 
      <definition value="Individual who recorded the record and takes responsibility for its content."/> 
      <alias value="Author"/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/> 
      </type> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient"/> 
      </type> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".participation[typeCode=AUT].role"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="who.author"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.asserter">
      <path value="AllergyIntolerance.asserter"/> 
      <short value="Source of the information about the allergy"/> 
      <definition value="The source of the information about the allergy that is recorded."/> 
      <comment value="The recorder takes repsonsibility for the content, but can reference the source from where
       they got it."/> 
      <alias value="Source"/> 
      <alias value="Informant"/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient"/> 
      </type> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/RelatedPerson"/> 
      </type> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/> 
      </type> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="v2"/> 
        <map value="IAM-14 (if patient) / IAM-18 (if practitioner)"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".participation[typeCode=INF].role"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="who.source"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.lastOccurrence">
      <path value="AllergyIntolerance.lastOccurrence"/> 
      <short value="Date(/time) of last known occurrence of a reaction"/> 
      <definition value="Represents the date and/or time of the last known occurrence of a reaction event."/> 
      <comment value="This date may be replicated by one of the Onset of Reaction dates. Where a textual representation
       of the date of last occurrence is required e.g. 'In Childhood, '10 years ago' the Comment
       element should be used."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="dateTime"/> 
      </type> 
      <mapping> 
        <identity value="rim"/> 
        <map value="outBoundRelationship[typeCode=SUBJ].target[classCode=OBS, moodCode=EVN, code &lt;= CommonClinicalObs
        ervationType, value &lt;= ObservationValue (Reaction Type)].effectiveTime"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.note">
      <path value="AllergyIntolerance.note"/> 
      <short value="Additional text not captured in other fields"/> 
      <definition value="Additional narrative about the propensity for the Adverse Reaction, not captured in other
       fields."/> 
      <comment value="For example: including reason for flagging a seriousness of 'High Risk'; and instructions
       related to future exposure or administration of the substance, such as administration
       within an Intensive Care Unit or under corticosteroid cover. The notes should be related
       to an allergy or intolerance as a condition in general and not related to any particular
       episode of it. For episode notes and descriptions, use AllergyIntolerance.event.description
       and  AllergyIntolerance.event.notes."/> 
      <min value="0"/> 
      <max value="*"/> 
      <type> 
        <code value="Annotation"/> 
      </type> 
      <mapping> 
        <identity value="rim"/> 
        <map value="subjectOf.observationEvent[code=&quot;annotation&quot;].value"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.reaction">
      <path value="AllergyIntolerance.reaction"/> 
      <short value="Adverse Reaction Events linked to exposure to substance"/> 
      <definition value="Details about each adverse reaction event linked to exposure to the identified substance."/> 
      <min value="0"/> 
      <max value="*"/> 
      <type> 
        <code value="BackboneElement"/> 
      </type> 
      <mapping> 
        <identity value="rim"/> 
        <map value="outBoundRelationship[typeCode=SUBJ].target[classCode=OBS, moodCode=EVN, code &lt;= CommonClinicalObs
        ervationType, value &lt;= ObservationValue (Reaction Type)]"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.reaction.substance">
      <path value="AllergyIntolerance.reaction.substance"/> 
      <short value="Specific substance or pharmaceutical product considered to be responsible for event"/> 
      <definition value="Identification of the specific substance (or pharmaceutical product) considered to be
       responsible for the Adverse Reaction event. Note: the substance for a specific reaction
       may be different from the substance identified as the cause of the risk, but it must be
       consistent with it. For instance, it may be a more specific substance (e.g. a brand medication)
       or a composite product that includes the identified substance. It must be clinically safe
       to only process the 'code' and ignore the 'reaction.substance'."/> 
      <comment value="Coding of the specific substance (or pharmaceutical product) with a terminology capable
       of triggering decision support should be used wherever possible.  The 'code' element allows
       for the use of a specific substance or pharmaceutical product, or a group or class of
       substances. In the case of an allergy or intolerance to a class of substances, (for example,
       &quot;penicillins&quot;), the 'reaction.substance' element could be used to code the specific
       substance that was identifed as having caused the reaction (for example, &quot;amoxycillin&quot;).
       Duplication of the value in the 'code' and 'reaction.substance' elements is acceptable
       when a specific substance has been recorded in 'code'."/> 
      <min value="0"/> 
      <max value="1"/> 
      <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> 
      <mapping> 
        <identity value="rim"/> 
        <map value="outBoundRelationship[typeCode=SAS].target[classCode=SBADM, code &lt;= ExposureCode].participation[ty
        peCode=CSM].role[classCode=ADMM].player[classCode=MAT, determinerCode=KIND, code &lt;=
         ExposureAgentEntityType]"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.reaction.manifestation">
      <path value="AllergyIntolerance.reaction.manifestation"/> 
      <short value="Clinical symptoms/signs associated with the Event"/> 
      <definition value="Clinical symptoms and/or signs that are observed or associated with the adverse reaction
       event."/> 
      <comment value="Manifestation can be expressed as a single word, phrase or brief description. For example:
       nausea, rash or no reaction. It is preferable that manifestation should be coded with
       a terminology, where possible. The values entered here may be used to display on an application
       screen as part of a list of adverse reactions, as recommended in the UK NHS CUI guidelines.
        Terminologies commonly used include, but are not limited to, SNOMED CT or ICD10."/> 
      <alias value="Symptoms"/> 
      <alias value="Signs"/> 
      <min value="1"/> 
      <max value="*"/> 
      <type> 
        <code value="CodeableConcept"/> 
      </type> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="Manifestation"/> 
        </extension> 
        <strength value="example"/> 
        <description value="Clinical symptoms and/or signs that are observed or associated with an Adverse Reaction
         Event."/> 
        <valueSetReference> 
          <reference value="http://hl7.org/fhir/ValueSet/clinical-findings"/> 
        </valueSetReference> 
      </binding> 
      <mapping> 
        <identity value="v2"/> 
        <map value="AL1-5"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="code"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.reaction.description">
      <path value="AllergyIntolerance.reaction.description"/> 
      <short value="Description of the event as a whole"/> 
      <definition value="Text description about the reaction as a whole, including details of the manifestation
       if required."/> 
      <comment value="Use the description to provide any details of a particular event of the occurred reaction
       such as circumstances, reaction specifics, what happened before/after. Information, related
       to the event, but not describing a particular care should be captured in the comment field.
       For example: at the age of four, the patient was given penicillin for strep throat and
       subsequently developed severe hives."/> 
      <alias value="Narrative"/> 
      <alias value="Text"/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="string"/> 
      </type> 
      <mapping> 
        <identity value="rim"/> 
        <map value="text"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.reaction.onset">
      <path value="AllergyIntolerance.reaction.onset"/> 
      <short value="Date(/time) when manifestations showed"/> 
      <definition value="Record of the date and/or time of the onset of the Reaction."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="dateTime"/> 
      </type> 
      <mapping> 
        <identity value="v2"/> 
        <map value="AL1-6"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="effectiveTime.low"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.reaction.severity">
      <path value="AllergyIntolerance.reaction.severity"/> 
      <short value="mild | moderate | severe (of event as a whole)"/> 
      <definition value="Clinical assessment of the severity of the reaction event as a whole, potentially considering
       multiple different manifestations."/> 
      <comment value="It is acknowledged that this assessment is very subjective. There may be some some specific
       practice domains where objective scales have been applied. Objective scales can be included
       in this model as extensions."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="code"/> 
      </type> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="AllergyIntoleranceSeverity"/> 
        </extension> 
        <strength value="required"/> 
        <description value="Clinical assessment of the severity of a reaction event as a whole, potentially considering
         multiple different manifestations."/> 
        <valueSetReference> 
          <reference value="http://hl7.org/fhir/ValueSet/reaction-event-severity"/> 
        </valueSetReference> 
      </binding> 
      <mapping> 
        <identity value="rim"/> 
        <map value="inboundRelationship[typeCode=SUBJ].source[classCode=OBS, moodCode=EVN, code=SEV, value
         &lt;= SeverityObservation (Severity Level)]"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.reaction.exposureRoute">
      <path value="AllergyIntolerance.reaction.exposureRoute"/> 
      <short value="How the subject was exposed to the substance"/> 
      <definition value="Identification of the route by which the subject was exposed to the substance."/> 
      <comment value="Coding of the route of exposure with a terminology should be used wherever possible."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="CodeableConcept"/> 
      </type> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="RouteOfAdministration"/> 
        </extension> 
        <strength value="example"/> 
        <description value="A coded concept describing the route or physiological path of administration of a therapeutic
         agent into or onto the body of a subject."/> 
        <valueSetReference> 
          <reference value="http://hl7.org/fhir/ValueSet/route-codes"/> 
        </valueSetReference> 
      </binding> 
      <mapping> 
        <identity value="rim"/> 
        <map value="outBoundRelationship[typeCode=SAS].target[classCode=SBADM, code &lt;= ExposureCode].routeCode"/> 
      </mapping> 
    </element> 
    <element id="AllergyIntolerance.reaction.note">
      <path value="AllergyIntolerance.reaction.note"/> 
      <short value="Text about event not captured in other fields"/> 
      <definition value="Additional text about the adverse reaction event not captured in other fields."/> 
      <comment value="Use this field to record information indirectly related to a particular event and not
       captured in the description. For example: Clinical records are no longer available, recorded
       based on information provided to the patient by her mother and her mother is deceased."/> 
      <min value="0"/> 
      <max value="*"/> 
      <type> 
        <code value="Annotation"/> 
      </type> 
      <mapping> 
        <identity value="rim"/> 
        <map value="subjectOf.observationEvent[code=&quot;annotation&quot;].value"/> 
      </mapping> 
    </element> 
  </differential> 
</StructureDefinition> 

Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.