HL7 FHIR Implementation Guide: Sri Lanka
0.1.0 - STU1

HL7 FHIR Implementation Guide: Sri Lanka, published by Jembi Health Systems. This is not an authorized publication; it is the continuous build for version 0.1.0. This version is based on the current content of https://github.com/jembi/Sri-Lanka and changes regularly. See the Directory of published versions

## Resource Profile: Allergy Intolerance

Official URL: http://openhie.org/fhir/sri-lanka/StructureDefinition/allergy-intolerance | Version: 0.1.0
Active as of 2023-11-10 | Computable Name: Allergies

Used to represent the patient’s allergies.

Usage:

- Examples for this Resource Profile: AllergyIntolerance/AllergiesExample and AllergyIntolerance/AllergiesNoCodeExample

### Formal Views of Profile Content

Description of Profiles, Differentials, Snapshots and how the different presentations work.

- Differential Table
- Key Elements Table
- Snapshot Table
- Statistics/References
- All

This structure is derived from AllergyIntolerance

Name | Flags | Card. | Type | Description & Constraints
--- | --- | --- | --- | ---
AllergyIntolerance |  | 0..* | AllergyIntolerance | Allergy or Intolerance (generally: Risk of adverse reaction to a substance)
clinicalStatus | S | 0..1 | CodeableConcept | active | inactive | resolved
verificationStatus | S | 0..1 | CodeableConcept | unconfirmed | confirmed | refuted | entered-in-error
type |  | 1..1 | code | allergy | intolerance - Underlying mechanism (if known)
code | S | 0..1 | CodeableConcept | Code that identifies the allergy or intolerance Binding: Allergies (extensible)
text |  | 1..1 | string | Plain text representation of the concept
encounter |  | 1..1 | Reference(Encounter) | Encounter when the allergy or intolerance was asserted
Slices for onset[x] |  | 0..1 | dateTime, Age, Period, Range, string | When allergy or intolerance was identified Slice: Unordered, Open by type:$this
onset[x]:onsetDateTime | S | 0..1 | dateTime | When allergy or intolerance was identified
recorder | S | 0..1 | Reference(Practitioner | PractitionerRole | Patient | RelatedPerson) | Who recorded the sensitivity
Documentation for this format

#### Terminology Bindings (Differential)

Path | Conformance | ValueSet
AllergyIntolerance.code | extensible | VSAllergies

Name | Flags | Card. | Type | Description & Constraints
--- | --- | --- | --- | ---
AllergyIntolerance | C | 0..* | AllergyIntolerance | Allergy or Intolerance (generally: Risk of adverse reaction to a substance)
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored
clinicalStatus | ?!S Σ C | 0..1 | CodeableConcept | active | inactive | resolved Binding: AllergyIntoleranceClinicalStatusCodes (required): The clinical status of the allergy or intolerance.
verificationStatus | ?!S Σ C | 0..1 | CodeableConcept | unconfirmed | confirmed | refuted | entered-in-error Binding: AllergyIntoleranceVerificationStatusCodes (required): Assertion about certainty associated with a propensity, or potential risk, of a reaction to the identified substance.
type | Σ | 1..1 | code | allergy | intolerance - Underlying mechanism (if known) Binding: AllergyIntoleranceType (required): Identification of the underlying physiological mechanism for a Reaction Risk.
code | S Σ | 0..1 | CodeableConcept | Code that identifies the allergy or intolerance Binding: Allergies (extensible)
text | Σ | 1..1 | string | Plain text representation of the concept
patient | Σ | 1..1 | Reference(Patient) | Who the sensitivity is for
encounter |  | 1..1 | Reference(Encounter) | Encounter when the allergy or intolerance was asserted
Slices for onset[x] |  | 0..1 |  | When allergy or intolerance was identified Slice: Unordered, Open by type:$this
onsetDateTime |  |  | dateTime |
onsetAge |  |  | Age |
onsetPeriod |  |  | Period |
onsetRange |  |  | Range |
onsetString |  |  | string |
onset[x]:onsetDateTime | S | 0..1 | dateTime | When allergy or intolerance was identified
recorder | S | 0..1 | Reference(Practitioner | PractitionerRole | Patient | RelatedPerson) | Who recorded the sensitivity
Documentation for this format

#### Terminology Bindings

Path | Conformance | ValueSet
AllergyIntolerance.clinicalStatus | required | AllergyIntoleranceClinicalStatusCodes
AllergyIntolerance.verificationStatus | required | AllergyIntoleranceVerificationStatusCodes
AllergyIntolerance.type | required | AllergyIntoleranceType
AllergyIntolerance.code | extensible | VSAllergies

#### Constraints

Id | Grade | Path(s) | Details | Requirements
ait-1 | error | AllergyIntolerance | AllergyIntolerance.clinicalStatus SHALL be present if verificationStatus is not entered-in-error. : verificationStatus.coding.where(system = 'http://terminology.hl7.org/CodeSystem/allergyintolerance-verification' and code = 'entered-in-error').exists() or clinicalStatus.exists() |
ait-2 | error | AllergyIntolerance | AllergyIntolerance.clinicalStatus SHALL NOT be present if verification Status is entered-in-error : verificationStatus.coding.where(system = 'http://terminology.hl7.org/CodeSystem/allergyintolerance-verification' and code = 'entered-in-error').empty() or clinicalStatus.empty() |
dom-2 | error | AllergyIntolerance | If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty() |
dom-3 | error | AllergyIntolerance | If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty() |
dom-4 | error | AllergyIntolerance | If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty() |
dom-5 | error | AllergyIntolerance | If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty() |
dom-6 | best practice | AllergyIntolerance | A resource should have narrative for robust management : text.`div`.exists() |
ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) |
ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both : extension.exists() != value.exists() |

Name | Flags | Card. | Type | Description & Constraints
--- | --- | --- | --- | ---
AllergyIntolerance | C | 0..* | AllergyIntolerance | Allergy or Intolerance (generally: Risk of adverse reaction to a substance)
id | Σ | 0..1 | id | Logical id of this artifact
meta | Σ | 0..1 | Meta | Metadata about the resource
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created
language |  | 0..1 | code | Language of the resource content Binding: CommonLanguages (preferred): A human language.
Additional Bindings | Purpose
AllLanguages | Max Binding
text |  | 0..1 | Narrative | Text summary of the resource, for human interpretation
contained |  | 0..* | Resource | Contained, inline Resources
extension |  | 0..* | Extension | Additional content defined by implementations
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored
identifier | Σ | 0..* | Identifier | External ids for this item
clinicalStatus | ?!S Σ C | 0..1 | CodeableConcept | active | inactive | resolved Binding: AllergyIntoleranceClinicalStatusCodes (required): The clinical status of the allergy or intolerance.
verificationStatus | ?!S Σ C | 0..1 | CodeableConcept | unconfirmed | confirmed | refuted | entered-in-error Binding: AllergyIntoleranceVerificationStatusCodes (required): Assertion about certainty associated with a propensity, or potential risk, of a reaction to the identified substance.
type | Σ | 1..1 | code | allergy | intolerance - Underlying mechanism (if known) Binding: AllergyIntoleranceType (required): Identification of the underlying physiological mechanism for a Reaction Risk.
category | Σ | 0..* | code | food | medication | environment | biologic Binding: AllergyIntoleranceCategory (required): Category of an identified substance associated with allergies or intolerances.
criticality | Σ | 0..1 | code | low | high | unable-to-assess Binding: AllergyIntoleranceCriticality (required): Estimate of the potential clinical harm, or seriousness, of a reaction to an identified substance.
code | S Σ | 0..1 | CodeableConcept | Code that identifies the allergy or intolerance Binding: Allergies (extensible)
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
coding | Σ | 0..* | Coding | Code defined by a terminology system
text | Σ | 1..1 | string | Plain text representation of the concept
patient | Σ | 1..1 | Reference(Patient) | Who the sensitivity is for
encounter |  | 1..1 | Reference(Encounter) | Encounter when the allergy or intolerance was asserted
Slices for onset[x] |  | 0..1 |  | When allergy or intolerance was identified Slice: Unordered, Open by type:$this
onsetDateTime |  |  | dateTime |
onsetAge |  |  | Age |
onsetPeriod |  |  | Period |
onsetRange |  |  | Range |
onsetString |  |  | string |
onset[x]:onsetDateTime | S | 0..1 | dateTime | When allergy or intolerance was identified
recordedDate |  | 0..1 | dateTime | Date first version of the resource instance was recorded
recorder | S | 0..1 | Reference(Practitioner | PractitionerRole | Patient | RelatedPerson) | Who recorded the sensitivity
asserter | Σ | 0..1 | Reference(Patient | RelatedPerson | Practitioner | PractitionerRole) | Source of the information about the allergy
lastOccurrence |  | 0..1 | dateTime | Date(/time) of last known occurrence of a reaction
note |  | 0..* | Annotation | Additional text not captured in other fields
reaction |  | 0..* | BackboneElement | Adverse Reaction Events linked to exposure to substance
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
substance |  | 0..1 | CodeableConcept | Specific substance or pharmaceutical product considered to be responsible for event Binding: SubstanceCode (example): Codes defining the type of the substance (including pharmaceutical products).
manifestation |  | 1..* | CodeableConcept | Clinical symptoms/signs associated with the Event Binding: SNOMEDCTClinicalFindings (example): Clinical symptoms and/or signs that are observed or associated with an Adverse Reaction Event.
description |  | 0..1 | string | Description of the event as a whole
onset |  | 0..1 | dateTime | Date(/time) when manifestations showed
severity |  | 0..1 | code | mild | moderate | severe (of event as a whole) Binding: AllergyIntoleranceSeverity (required): Clinical assessment of the severity of a reaction event as a whole, potentially considering multiple different manifestations.
exposureRoute |  | 0..1 | CodeableConcept | How the subject was exposed to the substance Binding: SNOMEDCTRouteCodes (example): A coded concept describing the route or physiological path of administration of a therapeutic agent into or onto the body of a subject.
note |  | 0..* | Annotation | Text about event not captured in other fields
Documentation for this format

#### Terminology Bindings

Path | Conformance | ValueSet
AllergyIntolerance.language | preferred | CommonLanguages
Additional Bindings | Purpose
AllLanguages | Max Binding
AllergyIntolerance.clinicalStatus | required | AllergyIntoleranceClinicalStatusCodes
AllergyIntolerance.verificationStatus | required | AllergyIntoleranceVerificationStatusCodes
AllergyIntolerance.type | required | AllergyIntoleranceType
AllergyIntolerance.category | required | AllergyIntoleranceCategory
AllergyIntolerance.criticality | required | AllergyIntoleranceCriticality
AllergyIntolerance.code | extensible | VSAllergies
AllergyIntolerance.reaction.substance | example | SubstanceCode
AllergyIntolerance.reaction.manifestation | example | SNOMEDCTClinicalFindings
AllergyIntolerance.reaction.severity | required | AllergyIntoleranceSeverity
AllergyIntolerance.reaction.exposureRoute | example | SNOMEDCTRouteCodes

#### Constraints

Id | Grade | Path(s) | Details | Requirements
ait-1 | error | AllergyIntolerance | AllergyIntolerance.clinicalStatus SHALL be present if verificationStatus is not entered-in-error. : verificationStatus.coding.where(system = 'http://terminology.hl7.org/CodeSystem/allergyintolerance-verification' and code = 'entered-in-error').exists() or clinicalStatus.exists() |
ait-2 | error | AllergyIntolerance | AllergyIntolerance.clinicalStatus SHALL NOT be present if verification Status is entered-in-error : verificationStatus.coding.where(system = 'http://terminology.hl7.org/CodeSystem/allergyintolerance-verification' and code = 'entered-in-error').empty() or clinicalStatus.empty() |
dom-2 | error | AllergyIntolerance | If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty() |
dom-3 | error | AllergyIntolerance | If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty() |
dom-4 | error | AllergyIntolerance | If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty() |
dom-5 | error | AllergyIntolerance | If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty() |
dom-6 | best practice | AllergyIntolerance | A resource should have narrative for robust management : text.`div`.exists() |
ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) |
ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both : extension.exists() != value.exists() |

This structure is derived from AllergyIntolerance

Summary

Mandatory: 2 elements (1 nested mandatory element)
Must-Support: 5 elements

Slices

This structure defines the following Slices:

- The element AllergyIntolerance.onset[x] is sliced based on the value of type:$this

Differential View

This structure is derived from AllergyIntolerance

Name | Flags | Card. | Type | Description & Constraints
--- | --- | --- | --- | ---
AllergyIntolerance |  | 0..* | AllergyIntolerance | Allergy or Intolerance (generally: Risk of adverse reaction to a substance)
clinicalStatus | S | 0..1 | CodeableConcept | active | inactive | resolved
verificationStatus | S | 0..1 | CodeableConcept | unconfirmed | confirmed | refuted | entered-in-error
type |  | 1..1 | code | allergy | intolerance - Underlying mechanism (if known)
code | S | 0..1 | CodeableConcept | Code that identifies the allergy or intolerance Binding: Allergies (extensible)
text |  | 1..1 | string | Plain text representation of the concept
encounter |  | 1..1 | Reference(Encounter) | Encounter when the allergy or intolerance was asserted
Slices for onset[x] |  | 0..1 | dateTime, Age, Period, Range, string | When allergy or intolerance was identified Slice: Unordered, Open by type:$this
onset[x]:onsetDateTime | S | 0..1 | dateTime | When allergy or intolerance was identified
recorder | S | 0..1 | Reference(Practitioner | PractitionerRole | Patient | RelatedPerson) | Who recorded the sensitivity
Documentation for this format

#### Terminology Bindings (Differential)

Path | Conformance | ValueSet
AllergyIntolerance.code | extensible | VSAllergies

Key Elements View

Name | Flags | Card. | Type | Description & Constraints
--- | --- | --- | --- | ---
AllergyIntolerance | C | 0..* | AllergyIntolerance | Allergy or Intolerance (generally: Risk of adverse reaction to a substance)
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored
clinicalStatus | ?!S Σ C | 0..1 | CodeableConcept | active | inactive | resolved Binding: AllergyIntoleranceClinicalStatusCodes (required): The clinical status of the allergy or intolerance.
verificationStatus | ?!S Σ C | 0..1 | CodeableConcept | unconfirmed | confirmed | refuted | entered-in-error Binding: AllergyIntoleranceVerificationStatusCodes (required): Assertion about certainty associated with a propensity, or potential risk, of a reaction to the identified substance.
type | Σ | 1..1 | code | allergy | intolerance - Underlying mechanism (if known) Binding: AllergyIntoleranceType (required): Identification of the underlying physiological mechanism for a Reaction Risk.
code | S Σ | 0..1 | CodeableConcept | Code that identifies the allergy or intolerance Binding: Allergies (extensible)
text | Σ | 1..1 | string | Plain text representation of the concept
patient | Σ | 1..1 | Reference(Patient) | Who the sensitivity is for
encounter |  | 1..1 | Reference(Encounter) | Encounter when the allergy or intolerance was asserted
Slices for onset[x] |  | 0..1 |  | When allergy or intolerance was identified Slice: Unordered, Open by type:$this
onsetDateTime |  |  | dateTime |
onsetAge |  |  | Age |
onsetPeriod |  |  | Period |
onsetRange |  |  | Range |
onsetString |  |  | string |
onset[x]:onsetDateTime | S | 0..1 | dateTime | When allergy or intolerance was identified
recorder | S | 0..1 | Reference(Practitioner | PractitionerRole | Patient | RelatedPerson) | Who recorded the sensitivity
Documentation for this format

#### Terminology Bindings

Path | Conformance | ValueSet
AllergyIntolerance.clinicalStatus | required | AllergyIntoleranceClinicalStatusCodes
AllergyIntolerance.verificationStatus | required | AllergyIntoleranceVerificationStatusCodes
AllergyIntolerance.type | required | AllergyIntoleranceType
AllergyIntolerance.code | extensible | VSAllergies

#### Constraints

Id | Grade | Path(s) | Details | Requirements
ait-1 | error | AllergyIntolerance | AllergyIntolerance.clinicalStatus SHALL be present if verificationStatus is not entered-in-error. : verificationStatus.coding.where(system = 'http://terminology.hl7.org/CodeSystem/allergyintolerance-verification' and code = 'entered-in-error').exists() or clinicalStatus.exists() |
ait-2 | error | AllergyIntolerance | AllergyIntolerance.clinicalStatus SHALL NOT be present if verification Status is entered-in-error : verificationStatus.coding.where(system = 'http://terminology.hl7.org/CodeSystem/allergyintolerance-verification' and code = 'entered-in-error').empty() or clinicalStatus.empty() |
dom-2 | error | AllergyIntolerance | If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty() |
dom-3 | error | AllergyIntolerance | If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty() |
dom-4 | error | AllergyIntolerance | If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty() |
dom-5 | error | AllergyIntolerance | If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty() |
dom-6 | best practice | AllergyIntolerance | A resource should have narrative for robust management : text.`div`.exists() |
ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) |
ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both : extension.exists() != value.exists() |

Snapshot View

Name | Flags | Card. | Type | Description & Constraints
--- | --- | --- | --- | ---
AllergyIntolerance | C | 0..* | AllergyIntolerance | Allergy or Intolerance (generally: Risk of adverse reaction to a substance)
id | Σ | 0..1 | id | Logical id of this artifact
meta | Σ | 0..1 | Meta | Metadata about the resource
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created
language |  | 0..1 | code | Language of the resource content Binding: CommonLanguages (preferred): A human language.
Additional Bindings | Purpose
AllLanguages | Max Binding
text |  | 0..1 | Narrative | Text summary of the resource, for human interpretation
contained |  | 0..* | Resource | Contained, inline Resources
extension |  | 0..* | Extension | Additional content defined by implementations
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored
identifier | Σ | 0..* | Identifier | External ids for this item
clinicalStatus | ?!S Σ C | 0..1 | CodeableConcept | active | inactive | resolved Binding: AllergyIntoleranceClinicalStatusCodes (required): The clinical status of the allergy or intolerance.
verificationStatus | ?!S Σ C | 0..1 | CodeableConcept | unconfirmed | confirmed | refuted | entered-in-error Binding: AllergyIntoleranceVerificationStatusCodes (required): Assertion about certainty associated with a propensity, or potential risk, of a reaction to the identified substance.
type | Σ | 1..1 | code | allergy | intolerance - Underlying mechanism (if known) Binding: AllergyIntoleranceType (required): Identification of the underlying physiological mechanism for a Reaction Risk.
category | Σ | 0..* | code | food | medication | environment | biologic Binding: AllergyIntoleranceCategory (required): Category of an identified substance associated with allergies or intolerances.
criticality | Σ | 0..1 | code | low | high | unable-to-assess Binding: AllergyIntoleranceCriticality (required): Estimate of the potential clinical harm, or seriousness, of a reaction to an identified substance.
code | S Σ | 0..1 | CodeableConcept | Code that identifies the allergy or intolerance Binding: Allergies (extensible)
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
coding | Σ | 0..* | Coding | Code defined by a terminology system
text | Σ | 1..1 | string | Plain text representation of the concept
patient | Σ | 1..1 | Reference(Patient) | Who the sensitivity is for
encounter |  | 1..1 | Reference(Encounter) | Encounter when the allergy or intolerance was asserted
Slices for onset[x] |  | 0..1 |  | When allergy or intolerance was identified Slice: Unordered, Open by type:$this
onsetDateTime |  |  | dateTime |
onsetAge |  |  | Age |
onsetPeriod |  |  | Period |
onsetRange |  |  | Range |
onsetString |  |  | string |
onset[x]:onsetDateTime | S | 0..1 | dateTime | When allergy or intolerance was identified
recordedDate |  | 0..1 | dateTime | Date first version of the resource instance was recorded
recorder | S | 0..1 | Reference(Practitioner | PractitionerRole | Patient | RelatedPerson) | Who recorded the sensitivity
asserter | Σ | 0..1 | Reference(Patient | RelatedPerson | Practitioner | PractitionerRole) | Source of the information about the allergy
lastOccurrence |  | 0..1 | dateTime | Date(/time) of last known occurrence of a reaction
note |  | 0..* | Annotation | Additional text not captured in other fields
reaction |  | 0..* | BackboneElement | Adverse Reaction Events linked to exposure to substance
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
substance |  | 0..1 | CodeableConcept | Specific substance or pharmaceutical product considered to be responsible for event Binding: SubstanceCode (example): Codes defining the type of the substance (including pharmaceutical products).
manifestation |  | 1..* | CodeableConcept | Clinical symptoms/signs associated with the Event Binding: SNOMEDCTClinicalFindings (example): Clinical symptoms and/or signs that are observed or associated with an Adverse Reaction Event.
description |  | 0..1 | string | Description of the event as a whole
onset |  | 0..1 | dateTime | Date(/time) when manifestations showed
severity |  | 0..1 | code | mild | moderate | severe (of event as a whole) Binding: AllergyIntoleranceSeverity (required): Clinical assessment of the severity of a reaction event as a whole, potentially considering multiple different manifestations.
exposureRoute |  | 0..1 | CodeableConcept | How the subject was exposed to the substance Binding: SNOMEDCTRouteCodes (example): A coded concept describing the route or physiological path of administration of a therapeutic agent into or onto the body of a subject.
note |  | 0..* | Annotation | Text about event not captured in other fields
Documentation for this format

#### Terminology Bindings

Path | Conformance | ValueSet
AllergyIntolerance.language | preferred | CommonLanguages
Additional Bindings | Purpose
AllLanguages | Max Binding
AllergyIntolerance.clinicalStatus | required | AllergyIntoleranceClinicalStatusCodes
AllergyIntolerance.verificationStatus | required | AllergyIntoleranceVerificationStatusCodes
AllergyIntolerance.type | required | AllergyIntoleranceType
AllergyIntolerance.category | required | AllergyIntoleranceCategory
AllergyIntolerance.criticality | required | AllergyIntoleranceCriticality
AllergyIntolerance.code | extensible | VSAllergies
AllergyIntolerance.reaction.substance | example | SubstanceCode
AllergyIntolerance.reaction.manifestation | example | SNOMEDCTClinicalFindings
AllergyIntolerance.reaction.severity | required | AllergyIntoleranceSeverity
AllergyIntolerance.reaction.exposureRoute | example | SNOMEDCTRouteCodes

#### Constraints

Id | Grade | Path(s) | Details | Requirements
ait-1 | error | AllergyIntolerance | AllergyIntolerance.clinicalStatus SHALL be present if verificationStatus is not entered-in-error. : verificationStatus.coding.where(system = 'http://terminology.hl7.org/CodeSystem/allergyintolerance-verification' and code = 'entered-in-error').exists() or clinicalStatus.exists() |
ait-2 | error | AllergyIntolerance | AllergyIntolerance.clinicalStatus SHALL NOT be present if verification Status is entered-in-error : verificationStatus.coding.where(system = 'http://terminology.hl7.org/CodeSystem/allergyintolerance-verification' and code = 'entered-in-error').empty() or clinicalStatus.empty() |
dom-2 | error | AllergyIntolerance | If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty() |
dom-3 | error | AllergyIntolerance | If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty() |
dom-4 | error | AllergyIntolerance | If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty() |
dom-5 | error | AllergyIntolerance | If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty() |
dom-6 | best practice | AllergyIntolerance | A resource should have narrative for robust management : text.`div`.exists() |
ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) |
ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both : extension.exists() != value.exists() |

This structure is derived from AllergyIntolerance

Summary

Mandatory: 2 elements (1 nested mandatory element)
Must-Support: 5 elements

Slices

This structure defines the following Slices:

- The element AllergyIntolerance.onset[x] is sliced based on the value of type:$this

Other representations of profile: CSV, Excel, Schematron