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FHIR IG Statistics: StructureDefinition/be-model-allergyintolerance

Packagehl7.fhir.be.allergy
TypeStructureDefinition
Idbe-model-allergyintolerance
FHIR VersionR4
Sourcehttps://www.ehealth.fgov.be/standards/fhir/allergy/https://build.fhir.org/ig/hl7-be/allergy/StructureDefinition-be-model-allergyintolerance.html
URLhttps://www.ehealth.fgov.be/standards/fhir/allergy/StructureDefinition/be-model-allergyintolerance
Version1.2.0
Statusactive
Date2025-07-02T06:42:33+00:00
NameBeModelAllergyIntolerance
TitleAllergy Intolerance Logical Model
Realmbe
Authorityhl7
DescriptionAllergy / Intolerance information model
Typehttps://www.ehealth.fgov.be/standards/fhir/allergy/StructureDefinition/be-model-allergyintolerance
Kindlogical

Resources that use this resource

No resources found


Resources that this resource uses

ValueSet
be-allergyintolerancecodeBeAllergyIntoleranceCode
be-vs-allergyintolerance-typeBeVSAllergyIntoleranceType

Narrative

Note: links and images are rebased to the (stated) source

Generated Narrative: StructureDefinition be-model-allergyintolerance

NameFlagsCard.TypeDescription & Constraintsdoco
.. be-model-allergyintolerance 0..*Element
Elements defined in Ancestors:@id, extension
Allergy Intolerance Logical Model
... patient 1..1Reference()The person that has the allergy
... code 1..1CodeableConceptThe substance that the person is allergic to
Binding: BeAllergyIntoleranceCode (extensible)
... category 0..*codeThe category of the risk (food, medication, environment, biological,...). This information will not be encoded by the Recorder but can automatically be added using the SNOMED-CT code from causative agent
... type 0..1codeThe Type - whether it is an allergy or intolerance
Binding: BeVSAllergyIntoleranceType (required)
... status 0..1BackboneElementThe status of the allergy
.... clinicalStatus 1..1CodeableConceptThe status of the allergy - if it is active or resolved
Binding: AllergyIntoleranceClinicalStatusCodes (required)
.... verificationStatus 1..1CodeableConceptThe verification status of the allergy - if it is confirmed or suspected or refuted
Binding: AllergyIntoleranceVerificationStatusCodes (required)
... recordedDate 1..1dateTimewhen the allergy/intolerance was recorded
... recorder 1..1Reference()Who recorded the allergy
... asserter 0..1Reference()Who asserted the allergy
... note 0..1stringAdditional text note about the allergy or intolerance
... reactions 0..*BackboneElementknown past reactions to the allergen
.... manifestation 1..1CodeableConceptHow the reaction manifested itself
.... onset 0..1dateTimeManifestation date
.... note 0..1stringAdditional text note about the allergic reaction

doco Documentation for this format

Source

{
  "resourceType": "StructureDefinition",
  "id": "be-model-allergyintolerance",
  "text": {
    "status": "extensions",
    "div": "<!-- snip (see above) -->"
  },
  "url": "https://www.ehealth.fgov.be/standards/fhir/allergy/StructureDefinition/be-model-allergyintolerance",
  "version": "1.2.0",
  "name": "BeModelAllergyIntolerance",
  "title": "Allergy Intolerance Logical Model",
  "status": "active",
  "date": "2025-07-02T06:42:33+00:00",
  "publisher": "eHealth Platform",
  "contact": [
    {
      "name": "eHealth Platform",
      "telecom": [
        {
          "system": "url",
          "value": "https://www.ehealth.fgov.be/standards/fhir"
        },
        {
          "system": "email",
          "value": "support@be-ehealth-standards.atlassian.net"
        }
      ]
    },
    {
      "name": "Message Structure eHealth",
      "telecom": [
        {
          "system": "email",
          "value": "support@be-ehealth-standards.atlassian.net",
          "use": "work"
        }
      ]
    }
  ],
  "description": "Allergy / Intolerance information model",
  "jurisdiction": [
    {
      "coding": [
        {
          "system": "urn:iso:std:iso:3166",
          "code": "BE",
          "display": "Belgium"
        }
      ]
    }
  ],
  "fhirVersion": "4.0.1",
  "mapping": [
    {
      "identity": "rim",
      "uri": "http://hl7.org/v3",
      "name": "RIM Mapping"
    }
  ],
  "kind": "logical",
  "abstract": false,
  "type": "https://www.ehealth.fgov.be/standards/fhir/allergy/StructureDefinition/be-model-allergyintolerance",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Element",
  "derivation": "specialization",
  "snapshot": {
    "extension": [
      {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
        "valueString": "4.0.1"
      }
    ],
    "element": [
      {
        "id": "be-model-allergyintolerance",
        "path": "be-model-allergyintolerance",
        "short": "Allergy Intolerance Logical Model",
        "definition": "Allergy / Intolerance information model",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element",
          "min": 0,
          "max": "*"
        },
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          }
        ],
        "isModifier": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.id",
        "path": "be-model-allergyintolerance.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.extension",
        "path": "be-model-allergyintolerance.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. 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 can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "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": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.patient",
        "path": "be-model-allergyintolerance.patient",
        "short": "The person that has the allergy",
        "definition": "The person that has the allergy",
        "min": 1,
        "max": "1",
        "base": {
          "path": "be-model-allergyintolerance.patient",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "code": "Reference"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.code",
        "path": "be-model-allergyintolerance.code",
        "short": "The substance that the person is allergic to",
        "definition": "The substance - from a lst of substances - that the person is allergic to. It is possible to use free text but for the products indicated, a code must be used",
        "min": 1,
        "max": "1",
        "base": {
          "path": "be-model-allergyintolerance.code",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "extensible",
          "valueSet": "https://www.ehealth.fgov.be/standards/fhir/allergy/ValueSet/be-allergyintolerancecode"
        }
      },
      {
        "id": "be-model-allergyintolerance.category",
        "path": "be-model-allergyintolerance.category",
        "short": "The category of the risk (food, medication, environment, biological,...). This information will not be encoded by the Recorder but can automatically be added using the SNOMED-CT code from causative agent",
        "definition": "The category of the risk (food, medication, environment, biological,...). This information will not be encoded by the Recorder but can automatically be added using the SNOMED-CT code from causative agent",
        "min": 0,
        "max": "*",
        "base": {
          "path": "be-model-allergyintolerance.category",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "code"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.type",
        "path": "be-model-allergyintolerance.type",
        "short": "The Type - whether it is an allergy or intolerance",
        "definition": "the type of risk (allergy, intolerance...). When it is not possible to distinguish between a real allergy, a non-allergic hypersensitivity or an intolerance you can use the 'Intolerance' type, but code the VerificationStatus as 'Unconfirmed'",
        "min": 0,
        "max": "1",
        "base": {
          "path": "be-model-allergyintolerance.type",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "code"
          }
        ],
        "binding": {
          "strength": "required",
          "valueSet": "https://www.ehealth.fgov.be/standards/fhir/allergy/ValueSet/be-vs-allergyintolerance-type"
        }
      },
      {
        "id": "be-model-allergyintolerance.status",
        "path": "be-model-allergyintolerance.status",
        "short": "The status of the allergy",
        "definition": "The status of the allergy",
        "min": 0,
        "max": "1",
        "base": {
          "path": "be-model-allergyintolerance.status",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "BackboneElement"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.status.id",
        "path": "be-model-allergyintolerance.status.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.status.extension",
        "path": "be-model-allergyintolerance.status.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. 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 can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "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": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.status.modifierExtension",
        "path": "be-model-allergyintolerance.status.modifierExtension",
        "short": "Extensions that cannot be ignored even if unrecognized",
        "definition": "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 in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. 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 can 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.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
        "comment": "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.",
        "requirements": "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension).",
        "alias": [
          "extensions",
          "user content",
          "modifiers"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "BackboneElement.modifierExtension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": true,
        "isModifierReason": "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
        "isSummary": true,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.status.clinicalStatus",
        "path": "be-model-allergyintolerance.status.clinicalStatus",
        "short": "The status of the allergy - if it is active or resolved",
        "definition": "The status of the allergy - if it is active or resolved",
        "min": 1,
        "max": "1",
        "base": {
          "path": "be-model-allergyintolerance.status.clinicalStatus",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "required",
          "valueSet": "http://hl7.org/fhir/ValueSet/allergyintolerance-clinical"
        }
      },
      {
        "id": "be-model-allergyintolerance.status.verificationStatus",
        "path": "be-model-allergyintolerance.status.verificationStatus",
        "short": "The verification status of the allergy - if it is confirmed or suspected or refuted",
        "definition": "The verification status of the allergy - if it is confirmed or suspected or refuted",
        "min": 1,
        "max": "1",
        "base": {
          "path": "be-model-allergyintolerance.status.verificationStatus",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "required",
          "valueSet": "http://hl7.org/fhir/ValueSet/allergyintolerance-verification"
        }
      },
      {
        "id": "be-model-allergyintolerance.recordedDate",
        "path": "be-model-allergyintolerance.recordedDate",
        "short": "when the allergy/intolerance was recorded",
        "definition": "when the allergy/intolerance was recorded",
        "min": 1,
        "max": "1",
        "base": {
          "path": "be-model-allergyintolerance.recordedDate",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "code": "dateTime"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.recorder",
        "path": "be-model-allergyintolerance.recorder",
        "short": "Who recorded the allergy",
        "definition": "Who recorded the allergy",
        "min": 1,
        "max": "1",
        "base": {
          "path": "be-model-allergyintolerance.recorder",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "code": "Reference"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.asserter",
        "path": "be-model-allergyintolerance.asserter",
        "short": "Who asserted the allergy",
        "definition": "Is the person at the source of the information (eg the patient, the general practitioner, a family member, the healthcare professional who registers the information himself, ...). He is represented as much as possible by a unique identification number, namely the national register number (INSZ) or the BIS number. However, when it comes to a parent or family member, only the role (e.g. father, mother, neighbor, caregiver, friend, etc.) is coded to meet the requirements of the GDPR.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "be-model-allergyintolerance.asserter",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Reference"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.note",
        "path": "be-model-allergyintolerance.note",
        "short": "Additional text note about the allergy or intolerance",
        "definition": "Additional text note about the allergy or intolerance",
        "min": 0,
        "max": "1",
        "base": {
          "path": "be-model-allergyintolerance.note",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.reactions",
        "path": "be-model-allergyintolerance.reactions",
        "short": "known past reactions to the allergen",
        "definition": "known past reactions to the allergen",
        "min": 0,
        "max": "*",
        "base": {
          "path": "be-model-allergyintolerance.reactions",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "BackboneElement"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.reactions.id",
        "path": "be-model-allergyintolerance.reactions.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.reactions.extension",
        "path": "be-model-allergyintolerance.reactions.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. 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 can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "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": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.reactions.modifierExtension",
        "path": "be-model-allergyintolerance.reactions.modifierExtension",
        "short": "Extensions that cannot be ignored even if unrecognized",
        "definition": "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 in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. 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 can 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.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
        "comment": "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.",
        "requirements": "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension).",
        "alias": [
          "extensions",
          "user content",
          "modifiers"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "BackboneElement.modifierExtension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": true,
        "isModifierReason": "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
        "isSummary": true,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.reactions.manifestation",
        "path": "be-model-allergyintolerance.reactions.manifestation",
        "short": "How the reaction manifested itself",
        "definition": "How the reaction manifested itself, e.g. rash, breathing difficulty...",
        "min": 1,
        "max": "1",
        "base": {
          "path": "be-model-allergyintolerance.reactions.manifestation",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.reactions.onset",
        "path": "be-model-allergyintolerance.reactions.onset",
        "short": "Manifestation date",
        "definition": "For each manifestation it is possible to specify an actual date or approximate date (age, period, interval, ...) of each suspected manifestation of the risk",
        "min": 0,
        "max": "1",
        "base": {
          "path": "be-model-allergyintolerance.reactions.onset",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "dateTime"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.reactions.note",
        "path": "be-model-allergyintolerance.reactions.note",
        "short": "Additional text note about the allergic reaction",
        "definition": "Additional text note about the allergic reaction",
        "min": 0,
        "max": "1",
        "base": {
          "path": "be-model-allergyintolerance.reactions.note",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ]
      }
    ]
  },
  "differential": {
    "element": [
      {
        "id": "be-model-allergyintolerance",
        "path": "be-model-allergyintolerance",
        "short": "Allergy Intolerance Logical Model",
        "definition": "Allergy / Intolerance information model"
      },
      {
        "id": "be-model-allergyintolerance.patient",
        "path": "be-model-allergyintolerance.patient",
        "short": "The person that has the allergy",
        "definition": "The person that has the allergy",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "Reference"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.code",
        "path": "be-model-allergyintolerance.code",
        "short": "The substance that the person is allergic to",
        "definition": "The substance - from a lst of substances - that the person is allergic to. It is possible to use free text but for the products indicated, a code must be used",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "extensible",
          "valueSet": "https://www.ehealth.fgov.be/standards/fhir/allergy/ValueSet/be-allergyintolerancecode"
        }
      },
      {
        "id": "be-model-allergyintolerance.category",
        "path": "be-model-allergyintolerance.category",
        "short": "The category of the risk (food, medication, environment, biological,...). This information will not be encoded by the Recorder but can automatically be added using the SNOMED-CT code from causative agent",
        "definition": "The category of the risk (food, medication, environment, biological,...). This information will not be encoded by the Recorder but can automatically be added using the SNOMED-CT code from causative agent",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "code"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.type",
        "path": "be-model-allergyintolerance.type",
        "short": "The Type - whether it is an allergy or intolerance",
        "definition": "the type of risk (allergy, intolerance...). When it is not possible to distinguish between a real allergy, a non-allergic hypersensitivity or an intolerance you can use the 'Intolerance' type, but code the VerificationStatus as 'Unconfirmed'",
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "code"
          }
        ],
        "binding": {
          "strength": "required",
          "valueSet": "https://www.ehealth.fgov.be/standards/fhir/allergy/ValueSet/be-vs-allergyintolerance-type"
        }
      },
      {
        "id": "be-model-allergyintolerance.status",
        "path": "be-model-allergyintolerance.status",
        "short": "The status of the allergy",
        "definition": "The status of the allergy",
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "BackboneElement"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.status.clinicalStatus",
        "path": "be-model-allergyintolerance.status.clinicalStatus",
        "short": "The status of the allergy - if it is active or resolved",
        "definition": "The status of the allergy - if it is active or resolved",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "required",
          "valueSet": "http://hl7.org/fhir/ValueSet/allergyintolerance-clinical"
        }
      },
      {
        "id": "be-model-allergyintolerance.status.verificationStatus",
        "path": "be-model-allergyintolerance.status.verificationStatus",
        "short": "The verification status of the allergy - if it is confirmed or suspected or refuted",
        "definition": "The verification status of the allergy - if it is confirmed or suspected or refuted",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "required",
          "valueSet": "http://hl7.org/fhir/ValueSet/allergyintolerance-verification"
        }
      },
      {
        "id": "be-model-allergyintolerance.recordedDate",
        "path": "be-model-allergyintolerance.recordedDate",
        "short": "when the allergy/intolerance was recorded",
        "definition": "when the allergy/intolerance was recorded",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "dateTime"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.recorder",
        "path": "be-model-allergyintolerance.recorder",
        "short": "Who recorded the allergy",
        "definition": "Who recorded the allergy",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "Reference"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.asserter",
        "path": "be-model-allergyintolerance.asserter",
        "short": "Who asserted the allergy",
        "definition": "Is the person at the source of the information (eg the patient, the general practitioner, a family member, the healthcare professional who registers the information himself, ...). He is represented as much as possible by a unique identification number, namely the national register number (INSZ) or the BIS number. However, when it comes to a parent or family member, only the role (e.g. father, mother, neighbor, caregiver, friend, etc.) is coded to meet the requirements of the GDPR.",
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "Reference"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.note",
        "path": "be-model-allergyintolerance.note",
        "short": "Additional text note about the allergy or intolerance",
        "definition": "Additional text note about the allergy or intolerance",
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.reactions",
        "path": "be-model-allergyintolerance.reactions",
        "short": "known past reactions to the allergen",
        "definition": "known past reactions to the allergen",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "BackboneElement"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.reactions.manifestation",
        "path": "be-model-allergyintolerance.reactions.manifestation",
        "short": "How the reaction manifested itself",
        "definition": "How the reaction manifested itself, e.g. rash, breathing difficulty...",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.reactions.onset",
        "path": "be-model-allergyintolerance.reactions.onset",
        "short": "Manifestation date",
        "definition": "For each manifestation it is possible to specify an actual date or approximate date (age, period, interval, ...) of each suspected manifestation of the risk",
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "dateTime"
          }
        ]
      },
      {
        "id": "be-model-allergyintolerance.reactions.note",
        "path": "be-model-allergyintolerance.reactions.note",
        "short": "Additional text note about the allergic reaction",
        "definition": "Additional text note about the allergic reaction",
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "string"
          }
        ]
      }
    ]
  }
}