Name	Flags	Card.	Type	Description & Constraints
AllergyIntolerance	C	0..*	USCoreAllergyIntolerance(5.0.1)	Allergy or Intolerance (generally: Risk of adverse reaction to a substance) This profile also complies with the profiles US Core AllergyIntolerance Profile (6.1.0) and US Core AllergyIntolerance Profile (7.0.0) ait-1: AllergyIntolerance.clinicalStatus SHALL be present if verificationStatus is not entered-in-error. ait-2: AllergyIntolerance.clinicalStatus SHALL NOT be present if verification Status is entered-in-error dom-2: If the resource is contained in another resource, it SHALL NOT contain nested Resources dom-3: 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 dom-4: If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated dom-5: If a resource is contained in another resource, it SHALL NOT have a security label dom-6: A resource should have narrative for robust management
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created ele-1: All FHIR elements must have a @value or children
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
Slices for identifier	Σ	0..*	Identifier	External ids for this item Slice: Unordered, Open by value:$this ele-1: All FHIR elements must have a @value or children
identifier:va-IEN	Σ	0..1	Identifier	External ids for this item ele-1: All FHIR elements must have a @value or children
use	?!Σ	0..1	code	usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known . ele-1: All FHIR elements must have a @value or children
system	SΣ	0..1	uri	The namespace for the identifier value ele-1: All FHIR elements must have a @value or children Required Pattern: http://va.gov/identifiers/$Sta3n/120.8
value	SΣ	0..1	string	The value that is unique ele-1: All FHIR elements must have a @value or children Example General: 123456
identifier:va-CDW	Σ	0..1	Identifier	External ids for this item ele-1: All FHIR elements must have a @value or children
use	?!Σ	0..1	code	usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known . ele-1: All FHIR elements must have a @value or children
system	SΣ	0..1	uri	The namespace for the identifier value ele-1: All FHIR elements must have a @value or children Required Pattern: http://va.gov/identifiers/CDWSID/cdwwork.allergy.allergy
value	SΣ	0..1	string	The value that is unique ele-1: All FHIR elements must have a @value or children Example General: 123456
clinicalStatus	?!SΣC	0..1	CodeableConcept	active | inactive | resolved Binding: allergyActive FHIR (required): see mapping VF_allergyActive ele-1: All FHIR elements must have a @value or children
verificationStatus	?!SΣC	0..1	CodeableConcept	unconfirmed | confirmed | refuted | entered-in-error Binding: allergyEnteredInError FHIR (required): see mapping VF_allergyEnteredInError ele-1: All FHIR elements must have a @value or children
type	SΣ	0..1	code	allergy | intolerance - Underlying mechanism (if known) Binding: allergyMechanism FHIR (required): see mapping VF_allergyMechanism ele-1: All FHIR elements must have a @value or children
category	SΣ	0..*	code	food | medication | environment | biologic Binding: allergySubstanceCategory FHIR (required): see mapping VF_allergySubstanceCategory ele-1: All FHIR elements must have a @value or children
code	SΣ	1..1	CodeableConcept	Code that identifies the allergy or intolerance Binding: Common substances for allergy and intolerance documentation including refutations (extensible) ele-1: All FHIR elements must have a @value or children
text	SΣ	0..1	string	Plain text representation of the concept ele-1: All FHIR elements must have a @value or children
patient	SΣ	1..1	Reference(Patient)	Who the sensitivity is for ele-1: All FHIR elements must have a @value or children
recordedDate	S	0..1	dateTime	Date first version of the resource instance was recorded ele-1: All FHIR elements must have a @value or children
recorder	S	0..1	Reference(Practitioner)	Who recorded the sensitivity ele-1: All FHIR elements must have a @value or children
note		0..*	Annotation	Additional text not captured in other fields ele-1: All FHIR elements must have a @value or children
Slices for author[x]	Σ	0..1		Individual responsible for the annotation Slice: Unordered, Open by type:$this ele-1: All FHIR elements must have a @value or children
authorReference			Reference(Practitioner | Patient | RelatedPerson | Organization)
authorString			string
author[x]:authorString	SΣ	0..1	string	Individual responsible for the annotation ele-1: All FHIR elements must have a @value or children
time	SΣ	0..1	dateTime	When the annotation was made ele-1: All FHIR elements must have a @value or children
text	SΣ	1..1	markdown	The annotation - text content (as markdown) ele-1: All FHIR elements must have a @value or children
reaction	S	0..*	BackboneElement	Adverse Reaction Events linked to exposure to substance ele-1: All FHIR elements must have a @value or children
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
manifestation	S	1..*	CodeableConcept	Clinical symptoms/signs associated with the Event Binding: SNOMEDCTClinicalFindings (extensible) ele-1: All FHIR elements must have a @value or children
coding	Σ	0..*	Coding	Code defined by a terminology system ele-1: All FHIR elements must have a @value or children
system	SΣ	0..1	uri	Identity of the terminology system ele-1: All FHIR elements must have a @value or children Required Pattern: urn:oid:2.16.840.1.113883.6.233
code	SΣ	0..1	code	Symbol in syntax defined by the system ele-1: All FHIR elements must have a @value or children
display	SΣ	0..1	string	Representation defined by the system ele-1: All FHIR elements must have a @value or children
text	SΣ	0..1	string	Plain text representation of the concept ele-1: All FHIR elements must have a @value or children
onset	SC	0..1	dateTime	Date(/time) when manifestations showed ele-1: All FHIR elements must have a @value or children ai-18-1652: If 6 OBSERVED/HISTORICAL = O then source value from (120.8-10 > 120.81-3)
severity	S	0..1	code	mild | moderate | severe (of event as a whole) Binding: allergySeverity FHIR (required): see mapping VF_allergySeverity ele-1: All FHIR elements must have a @value or children
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
AllergyIntolerance.identifier:va-IEN.use	required	IdentifierUse http://hl7.org/fhir/ValueSet/identifier-use|4.0.1 from the FHIR Standard
AllergyIntolerance.identifier:va-CDW.use	required	IdentifierUse http://hl7.org/fhir/ValueSet/identifier-use|4.0.1 from the FHIR Standard
AllergyIntolerance.clinicalStatus	required	AllergyActive http://va.gov/fhir/ValueSet/allergyActive from this IG
AllergyIntolerance.verificationStatus	required	AllergyEnteredInError http://va.gov/fhir/ValueSet/allergyEnteredInError from this IG
AllergyIntolerance.type	required	AllergyMechanism http://va.gov/fhir/ValueSet/allergyMechanism from this IG
AllergyIntolerance.category	required	AllergySubstanceCategory http://va.gov/fhir/ValueSet/allergySubstanceCategory from this IG
AllergyIntolerance.code	extensible	Common substances for allergy and intolerance documentation including refutations http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1186.8 from https://vsac.nlm.nih.gov
AllergyIntolerance.reaction.manifestation	extensible	SNOMEDCTClinicalFindings http://hl7.org/fhir/ValueSet/clinical-findings from the FHIR Standard
AllergyIntolerance.reaction.severity	required	AllergySeverity http://va.gov/fhir/ValueSet/allergySeverity from this IG

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()
ai-18-1652	warning	AllergyIntolerance.reaction.onset	If 6 OBSERVED/HISTORICAL = O then source value from (120.8-10 > 120.81-3) : true
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		0..*	USCoreAllergyIntolerance(5.0.1)	Allergy or Intolerance (generally: Risk of adverse reaction to a substance) This profile also complies with the profiles US Core AllergyIntolerance Profile (6.1.0) and US Core AllergyIntolerance Profile (7.0.0)
Slices for identifier		0..*	Identifier	External ids for this item Slice: Unordered, Open by value:$this
identifier:va-IEN		0..1	Identifier	External ids for this item
system	S	0..1	uri	The namespace for the identifier value Required Pattern: http://va.gov/identifiers/$Sta3n/120.8
value	S	0..1	string	The value that is unique
identifier:va-CDW		0..1	Identifier	External ids for this item
system	S	0..1	uri	The namespace for the identifier value Required Pattern: http://va.gov/identifiers/CDWSID/cdwwork.allergy.allergy
value	S	0..1	string	The value that is unique
clinicalStatus		0..1	CodeableConcept	active | inactive | resolved Binding: allergyActive FHIR (required): see mapping VF_allergyActive
verificationStatus		0..1	CodeableConcept	unconfirmed | confirmed | refuted | entered-in-error Binding: allergyEnteredInError FHIR (required): see mapping VF_allergyEnteredInError
type	S	0..1	code	allergy | intolerance - Underlying mechanism (if known) Binding: allergyMechanism FHIR (required): see mapping VF_allergyMechanism
category	S	0..*	code	food | medication | environment | biologic Binding: allergySubstanceCategory FHIR (required): see mapping VF_allergySubstanceCategory
code		1..1	CodeableConcept	Code that identifies the allergy or intolerance
text	S	0..1	string	Plain text representation of the concept
patient		1..1	Reference(Patient)	Who the sensitivity is for
recordedDate	S	0..1	dateTime	Date first version of the resource instance was recorded
recorder	S	0..1	Reference(Practitioner)	Who recorded the sensitivity
note
Slices for author[x]		0..1	Reference(Practitioner | Patient | RelatedPerson | Organization), string	Individual responsible for the annotation Slice: Unordered, Open by type:$this
author[x]:authorString	S	0..1	string	Individual responsible for the annotation
time	S	0..1	dateTime	When the annotation was made
text	S	1..1	markdown	The annotation - text content (as markdown)
reaction
manifestation		1..*	CodeableConcept	Clinical symptoms/signs associated with the Event
coding
system	S	0..1	uri	Identity of the terminology system Required Pattern: urn:oid:2.16.840.1.113883.6.233
code	S	0..1	code	Symbol in syntax defined by the system
display	S	0..1	string	Representation defined by the system
text	S	0..1	string	Plain text representation of the concept
onset	SC	0..1	dateTime	Date(/time) when manifestations showed ai-18-1652: If 6 OBSERVED/HISTORICAL = O then source value from (120.8-10 > 120.81-3)
severity	S	0..1	code	mild | moderate | severe (of event as a whole) Binding: allergySeverity FHIR (required): see mapping VF_allergySeverity
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet	URI
AllergyIntolerance.clinicalStatus	required	AllergyActive http://va.gov/fhir/ValueSet/allergyActive from this IG
AllergyIntolerance.verificationStatus	required	AllergyEnteredInError http://va.gov/fhir/ValueSet/allergyEnteredInError from this IG
AllergyIntolerance.type	required	AllergyMechanism http://va.gov/fhir/ValueSet/allergyMechanism from this IG
AllergyIntolerance.category	required	AllergySubstanceCategory http://va.gov/fhir/ValueSet/allergySubstanceCategory from this IG
AllergyIntolerance.reaction.severity	required	AllergySeverity http://va.gov/fhir/ValueSet/allergySeverity from this IG

Constraints

Id	Grade	Path(s)	Details	Requirements
ai-18-1652	warning	AllergyIntolerance.reaction.onset	If 6 OBSERVED/HISTORICAL = O then source value from (120.8-10 > 120.81-3) : true

Name	Flags	Card.	Type	Description & Constraints
AllergyIntolerance	C	0..*	USCoreAllergyIntolerance(5.0.1)	Allergy or Intolerance (generally: Risk of adverse reaction to a substance) This profile also complies with the profiles US Core AllergyIntolerance Profile (6.1.0) and US Core AllergyIntolerance Profile (7.0.0) ait-1: AllergyIntolerance.clinicalStatus SHALL be present if verificationStatus is not entered-in-error. ait-2: AllergyIntolerance.clinicalStatus SHALL NOT be present if verification Status is entered-in-error
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
Slices for identifier	Σ	0..*	Identifier	External ids for this item Slice: Unordered, Open by value:$this
identifier:va-IEN	Σ	0..1	Identifier	External ids for this item
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
use	?!Σ	0..1	code	usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
type	Σ	0..1	CodeableConcept	Description of identifier Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.
system	SΣ	0..1	uri	The namespace for the identifier value Required Pattern: http://va.gov/identifiers/$Sta3n/120.8
value	SΣ	0..1	string	The value that is unique Example General: 123456
period	Σ	0..1	Period	Time period when id is/was valid for use
assigner	Σ	0..1	Reference(Organization)	Organization that issued id (may be just text)
identifier:va-CDW	Σ	0..1	Identifier	External ids for this item
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
use	?!Σ	0..1	code	usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
type	Σ	0..1	CodeableConcept	Description of identifier Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.
system	SΣ	0..1	uri	The namespace for the identifier value Required Pattern: http://va.gov/identifiers/CDWSID/cdwwork.allergy.allergy
value	SΣ	0..1	string	The value that is unique Example General: 123456
period	Σ	0..1	Period	Time period when id is/was valid for use
assigner	Σ	0..1	Reference(Organization)	Organization that issued id (may be just text)
clinicalStatus	?!SΣC	0..1	CodeableConcept	active | inactive | resolved Binding: allergyActive FHIR (required): see mapping VF_allergyActive
verificationStatus	?!SΣC	0..1	CodeableConcept	unconfirmed | confirmed | refuted | entered-in-error Binding: allergyEnteredInError FHIR (required): see mapping VF_allergyEnteredInError
type	SΣ	0..1	code	allergy | intolerance - Underlying mechanism (if known) Binding: allergyMechanism FHIR (required): see mapping VF_allergyMechanism
category	SΣ	0..*	code	food | medication | environment | biologic Binding: allergySubstanceCategory FHIR (required): see mapping VF_allergySubstanceCategory
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	SΣ	1..1	CodeableConcept	Code that identifies the allergy or intolerance Binding: Common substances for allergy and intolerance documentation including refutations (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	SΣ	0..1	string	Plain text representation of the concept
patient	SΣ	1..1	Reference(Patient)	Who the sensitivity is for
encounter		0..1	Reference(Encounter)	Encounter when the allergy or intolerance was asserted
onset[x]		0..1		When allergy or intolerance was identified
onsetDateTime			dateTime
onsetAge			Age
onsetPeriod			Period
onsetRange			Range
onsetString			string
recordedDate	S	0..1	dateTime	Date first version of the resource instance was recorded
recorder	S	0..1	Reference(Practitioner)	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
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
Slices for author[x]	Σ	0..1		Individual responsible for the annotation Slice: Unordered, Open by type:$this
authorReference			Reference(Practitioner | Patient | RelatedPerson | Organization)
authorString			string
author[x]:authorString	SΣ	0..1	string	Individual responsible for the annotation
time	SΣ	0..1	dateTime	When the annotation was made
text	SΣ	1..1	markdown	The annotation - text content (as markdown)
reaction	S	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	S	1..*	CodeableConcept	Clinical symptoms/signs associated with the Event Binding: SNOMEDCTClinicalFindings (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
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
system	SΣ	0..1	uri	Identity of the terminology system Required Pattern: urn:oid:2.16.840.1.113883.6.233
version	Σ	0..1	string	Version of the system - if relevant
code	SΣ	0..1	code	Symbol in syntax defined by the system
display	SΣ	0..1	string	Representation defined by the system
userSelected	Σ	0..1	boolean	If this coding was chosen directly by the user
text	SΣ	0..1	string	Plain text representation of the concept
description		0..1	string	Description of the event as a whole
onset	SC	0..1	dateTime	Date(/time) when manifestations showed ai-18-1652: If 6 OBSERVED/HISTORICAL = O then source value from (120.8-10 > 120.81-3)
severity	S	0..1	code	mild | moderate | severe (of event as a whole) Binding: allergySeverity FHIR (required): see mapping VF_allergySeverity
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	URI
AllergyIntolerance.language	preferred	CommonLanguages http://hl7.org/fhir/ValueSet/languages from the FHIR Standard Additional Bindings Purpose AllLanguages Max Binding
AllergyIntolerance.identifier:va-IEN.use	required	IdentifierUse http://hl7.org/fhir/ValueSet/identifier-use|4.0.1 from the FHIR Standard
AllergyIntolerance.identifier:va-IEN.type	extensible	Identifier Type Codes http://hl7.org/fhir/ValueSet/identifier-type from the FHIR Standard
AllergyIntolerance.identifier:va-CDW.use	required	IdentifierUse http://hl7.org/fhir/ValueSet/identifier-use|4.0.1 from the FHIR Standard
AllergyIntolerance.identifier:va-CDW.type	extensible	Identifier Type Codes http://hl7.org/fhir/ValueSet/identifier-type from the FHIR Standard
AllergyIntolerance.clinicalStatus	required	AllergyActive http://va.gov/fhir/ValueSet/allergyActive from this IG
AllergyIntolerance.verificationStatus	required	AllergyEnteredInError http://va.gov/fhir/ValueSet/allergyEnteredInError from this IG
AllergyIntolerance.type	required	AllergyMechanism http://va.gov/fhir/ValueSet/allergyMechanism from this IG
AllergyIntolerance.category	required	AllergySubstanceCategory http://va.gov/fhir/ValueSet/allergySubstanceCategory from this IG
AllergyIntolerance.criticality	required	AllergyIntoleranceCriticality http://hl7.org/fhir/ValueSet/allergy-intolerance-criticality|4.0.1 from the FHIR Standard
AllergyIntolerance.code	extensible	Common substances for allergy and intolerance documentation including refutations http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1186.8 from https://vsac.nlm.nih.gov
AllergyIntolerance.reaction.substance	example	SubstanceCode http://hl7.org/fhir/ValueSet/substance-code from the FHIR Standard
AllergyIntolerance.reaction.manifestation	extensible	SNOMEDCTClinicalFindings http://hl7.org/fhir/ValueSet/clinical-findings from the FHIR Standard
AllergyIntolerance.reaction.severity	required	AllergySeverity http://va.gov/fhir/ValueSet/allergySeverity from this IG
AllergyIntolerance.reaction.exposureRoute	example	SNOMEDCTRouteCodes http://hl7.org/fhir/ValueSet/route-codes from the FHIR Standard

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()
ai-18-1652	warning	AllergyIntolerance.reaction.onset	If 6 OBSERVED/HISTORICAL = O then source value from (120.8-10 > 120.81-3) : true
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()

Summary

Must-Support: 18 elements

Structures

This structure refers to these other structures:

• Patient (http://va.gov/fhir/StructureDefinition/Patient)
• Practitioner (http://va.gov/fhir/StructureDefinition/Practitioner)

Slices

This structure defines the following Slices:

• The element 1 is sliced based on the value of AllergyIntolerance.identifier
• The element 1 is sliced based on the value of AllergyIntolerance.note.author[x]

Name	Flags	Card.	Type	Description & Constraints
AllergyIntolerance	C	0..*	USCoreAllergyIntolerance(5.0.1)	Allergy or Intolerance (generally: Risk of adverse reaction to a substance) This profile also complies with the profiles US Core AllergyIntolerance Profile (6.1.0) and US Core AllergyIntolerance Profile (7.0.0) ait-1: AllergyIntolerance.clinicalStatus SHALL be present if verificationStatus is not entered-in-error. ait-2: AllergyIntolerance.clinicalStatus SHALL NOT be present if verification Status is entered-in-error dom-2: If the resource is contained in another resource, it SHALL NOT contain nested Resources dom-3: 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 dom-4: If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated dom-5: If a resource is contained in another resource, it SHALL NOT have a security label dom-6: A resource should have narrative for robust management
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created ele-1: All FHIR elements must have a @value or children
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
Slices for identifier	Σ	0..*	Identifier	External ids for this item Slice: Unordered, Open by value:$this ele-1: All FHIR elements must have a @value or children
identifier:va-IEN	Σ	0..1	Identifier	External ids for this item ele-1: All FHIR elements must have a @value or children
use	?!Σ	0..1	code	usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known . ele-1: All FHIR elements must have a @value or children
system	SΣ	0..1	uri	The namespace for the identifier value ele-1: All FHIR elements must have a @value or children Required Pattern: http://va.gov/identifiers/$Sta3n/120.8
value	SΣ	0..1	string	The value that is unique ele-1: All FHIR elements must have a @value or children Example General: 123456
identifier:va-CDW	Σ	0..1	Identifier	External ids for this item ele-1: All FHIR elements must have a @value or children
use	?!Σ	0..1	code	usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known . ele-1: All FHIR elements must have a @value or children
system	SΣ	0..1	uri	The namespace for the identifier value ele-1: All FHIR elements must have a @value or children Required Pattern: http://va.gov/identifiers/CDWSID/cdwwork.allergy.allergy
value	SΣ	0..1	string	The value that is unique ele-1: All FHIR elements must have a @value or children Example General: 123456
clinicalStatus	?!SΣC	0..1	CodeableConcept	active | inactive | resolved Binding: allergyActive FHIR (required): see mapping VF_allergyActive ele-1: All FHIR elements must have a @value or children
verificationStatus	?!SΣC	0..1	CodeableConcept	unconfirmed | confirmed | refuted | entered-in-error Binding: allergyEnteredInError FHIR (required): see mapping VF_allergyEnteredInError ele-1: All FHIR elements must have a @value or children
type	SΣ	0..1	code	allergy | intolerance - Underlying mechanism (if known) Binding: allergyMechanism FHIR (required): see mapping VF_allergyMechanism ele-1: All FHIR elements must have a @value or children
category	SΣ	0..*	code	food | medication | environment | biologic Binding: allergySubstanceCategory FHIR (required): see mapping VF_allergySubstanceCategory ele-1: All FHIR elements must have a @value or children
code	SΣ	1..1	CodeableConcept	Code that identifies the allergy or intolerance Binding: Common substances for allergy and intolerance documentation including refutations (extensible) ele-1: All FHIR elements must have a @value or children
text	SΣ	0..1	string	Plain text representation of the concept ele-1: All FHIR elements must have a @value or children
patient	SΣ	1..1	Reference(Patient)	Who the sensitivity is for ele-1: All FHIR elements must have a @value or children
recordedDate	S	0..1	dateTime	Date first version of the resource instance was recorded ele-1: All FHIR elements must have a @value or children
recorder	S	0..1	Reference(Practitioner)	Who recorded the sensitivity ele-1: All FHIR elements must have a @value or children
note		0..*	Annotation	Additional text not captured in other fields ele-1: All FHIR elements must have a @value or children
Slices for author[x]	Σ	0..1		Individual responsible for the annotation Slice: Unordered, Open by type:$this ele-1: All FHIR elements must have a @value or children
authorReference			Reference(Practitioner | Patient | RelatedPerson | Organization)
authorString			string
author[x]:authorString	SΣ	0..1	string	Individual responsible for the annotation ele-1: All FHIR elements must have a @value or children
time	SΣ	0..1	dateTime	When the annotation was made ele-1: All FHIR elements must have a @value or children
text	SΣ	1..1	markdown	The annotation - text content (as markdown) ele-1: All FHIR elements must have a @value or children
reaction	S	0..*	BackboneElement	Adverse Reaction Events linked to exposure to substance ele-1: All FHIR elements must have a @value or children
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
manifestation	S	1..*	CodeableConcept	Clinical symptoms/signs associated with the Event Binding: SNOMEDCTClinicalFindings (extensible) ele-1: All FHIR elements must have a @value or children
coding	Σ	0..*	Coding	Code defined by a terminology system ele-1: All FHIR elements must have a @value or children
system	SΣ	0..1	uri	Identity of the terminology system ele-1: All FHIR elements must have a @value or children Required Pattern: urn:oid:2.16.840.1.113883.6.233
code	SΣ	0..1	code	Symbol in syntax defined by the system ele-1: All FHIR elements must have a @value or children
display	SΣ	0..1	string	Representation defined by the system ele-1: All FHIR elements must have a @value or children
text	SΣ	0..1	string	Plain text representation of the concept ele-1: All FHIR elements must have a @value or children
onset	SC	0..1	dateTime	Date(/time) when manifestations showed ele-1: All FHIR elements must have a @value or children ai-18-1652: If 6 OBSERVED/HISTORICAL = O then source value from (120.8-10 > 120.81-3)
severity	S	0..1	code	mild | moderate | severe (of event as a whole) Binding: allergySeverity FHIR (required): see mapping VF_allergySeverity ele-1: All FHIR elements must have a @value or children
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
AllergyIntolerance.identifier:va-IEN.use	required	IdentifierUse http://hl7.org/fhir/ValueSet/identifier-use|4.0.1 from the FHIR Standard
AllergyIntolerance.identifier:va-CDW.use	required	IdentifierUse http://hl7.org/fhir/ValueSet/identifier-use|4.0.1 from the FHIR Standard
AllergyIntolerance.clinicalStatus	required	AllergyActive http://va.gov/fhir/ValueSet/allergyActive from this IG
AllergyIntolerance.verificationStatus	required	AllergyEnteredInError http://va.gov/fhir/ValueSet/allergyEnteredInError from this IG
AllergyIntolerance.type	required	AllergyMechanism http://va.gov/fhir/ValueSet/allergyMechanism from this IG
AllergyIntolerance.category	required	AllergySubstanceCategory http://va.gov/fhir/ValueSet/allergySubstanceCategory from this IG
AllergyIntolerance.code	extensible	Common substances for allergy and intolerance documentation including refutations http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1186.8 from https://vsac.nlm.nih.gov
AllergyIntolerance.reaction.manifestation	extensible	SNOMEDCTClinicalFindings http://hl7.org/fhir/ValueSet/clinical-findings from the FHIR Standard
AllergyIntolerance.reaction.severity	required	AllergySeverity http://va.gov/fhir/ValueSet/allergySeverity from this IG

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()
ai-18-1652	warning	AllergyIntolerance.reaction.onset	If 6 OBSERVED/HISTORICAL = O then source value from (120.8-10 > 120.81-3) : true
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		0..*	USCoreAllergyIntolerance(5.0.1)	Allergy or Intolerance (generally: Risk of adverse reaction to a substance) This profile also complies with the profiles US Core AllergyIntolerance Profile (6.1.0) and US Core AllergyIntolerance Profile (7.0.0)
Slices for identifier		0..*	Identifier	External ids for this item Slice: Unordered, Open by value:$this
identifier:va-IEN		0..1	Identifier	External ids for this item
system	S	0..1	uri	The namespace for the identifier value Required Pattern: http://va.gov/identifiers/$Sta3n/120.8
value	S	0..1	string	The value that is unique
identifier:va-CDW		0..1	Identifier	External ids for this item
system	S	0..1	uri	The namespace for the identifier value Required Pattern: http://va.gov/identifiers/CDWSID/cdwwork.allergy.allergy
value	S	0..1	string	The value that is unique
clinicalStatus		0..1	CodeableConcept	active | inactive | resolved Binding: allergyActive FHIR (required): see mapping VF_allergyActive
verificationStatus		0..1	CodeableConcept	unconfirmed | confirmed | refuted | entered-in-error Binding: allergyEnteredInError FHIR (required): see mapping VF_allergyEnteredInError
type	S	0..1	code	allergy | intolerance - Underlying mechanism (if known) Binding: allergyMechanism FHIR (required): see mapping VF_allergyMechanism
category	S	0..*	code	food | medication | environment | biologic Binding: allergySubstanceCategory FHIR (required): see mapping VF_allergySubstanceCategory
code		1..1	CodeableConcept	Code that identifies the allergy or intolerance
text	S	0..1	string	Plain text representation of the concept
patient		1..1	Reference(Patient)	Who the sensitivity is for
recordedDate	S	0..1	dateTime	Date first version of the resource instance was recorded
recorder	S	0..1	Reference(Practitioner)	Who recorded the sensitivity
note
Slices for author[x]		0..1	Reference(Practitioner | Patient | RelatedPerson | Organization), string	Individual responsible for the annotation Slice: Unordered, Open by type:$this
author[x]:authorString	S	0..1	string	Individual responsible for the annotation
time	S	0..1	dateTime	When the annotation was made
text	S	1..1	markdown	The annotation - text content (as markdown)
reaction
manifestation		1..*	CodeableConcept	Clinical symptoms/signs associated with the Event
coding
system	S	0..1	uri	Identity of the terminology system Required Pattern: urn:oid:2.16.840.1.113883.6.233
code	S	0..1	code	Symbol in syntax defined by the system
display	S	0..1	string	Representation defined by the system
text	S	0..1	string	Plain text representation of the concept
onset	SC	0..1	dateTime	Date(/time) when manifestations showed ai-18-1652: If 6 OBSERVED/HISTORICAL = O then source value from (120.8-10 > 120.81-3)
severity	S	0..1	code	mild | moderate | severe (of event as a whole) Binding: allergySeverity FHIR (required): see mapping VF_allergySeverity
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet	URI
AllergyIntolerance.clinicalStatus	required	AllergyActive http://va.gov/fhir/ValueSet/allergyActive from this IG
AllergyIntolerance.verificationStatus	required	AllergyEnteredInError http://va.gov/fhir/ValueSet/allergyEnteredInError from this IG
AllergyIntolerance.type	required	AllergyMechanism http://va.gov/fhir/ValueSet/allergyMechanism from this IG
AllergyIntolerance.category	required	AllergySubstanceCategory http://va.gov/fhir/ValueSet/allergySubstanceCategory from this IG
AllergyIntolerance.reaction.severity	required	AllergySeverity http://va.gov/fhir/ValueSet/allergySeverity from this IG

Constraints

Id	Grade	Path(s)	Details	Requirements
ai-18-1652	warning	AllergyIntolerance.reaction.onset	If 6 OBSERVED/HISTORICAL = O then source value from (120.8-10 > 120.81-3) : true

Name	Flags	Card.	Type	Description & Constraints
AllergyIntolerance	C	0..*	USCoreAllergyIntolerance(5.0.1)	Allergy or Intolerance (generally: Risk of adverse reaction to a substance) This profile also complies with the profiles US Core AllergyIntolerance Profile (6.1.0) and US Core AllergyIntolerance Profile (7.0.0) ait-1: AllergyIntolerance.clinicalStatus SHALL be present if verificationStatus is not entered-in-error. ait-2: AllergyIntolerance.clinicalStatus SHALL NOT be present if verification Status is entered-in-error
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
Slices for identifier	Σ	0..*	Identifier	External ids for this item Slice: Unordered, Open by value:$this
identifier:va-IEN	Σ	0..1	Identifier	External ids for this item
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
use	?!Σ	0..1	code	usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
type	Σ	0..1	CodeableConcept	Description of identifier Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.
system	SΣ	0..1	uri	The namespace for the identifier value Required Pattern: http://va.gov/identifiers/$Sta3n/120.8
value	SΣ	0..1	string	The value that is unique Example General: 123456
period	Σ	0..1	Period	Time period when id is/was valid for use
assigner	Σ	0..1	Reference(Organization)	Organization that issued id (may be just text)
identifier:va-CDW	Σ	0..1	Identifier	External ids for this item
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
use	?!Σ	0..1	code	usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
type	Σ	0..1	CodeableConcept	Description of identifier Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.
system	SΣ	0..1	uri	The namespace for the identifier value Required Pattern: http://va.gov/identifiers/CDWSID/cdwwork.allergy.allergy
value	SΣ	0..1	string	The value that is unique Example General: 123456
period	Σ	0..1	Period	Time period when id is/was valid for use
assigner	Σ	0..1	Reference(Organization)	Organization that issued id (may be just text)
clinicalStatus	?!SΣC	0..1	CodeableConcept	active | inactive | resolved Binding: allergyActive FHIR (required): see mapping VF_allergyActive
verificationStatus	?!SΣC	0..1	CodeableConcept	unconfirmed | confirmed | refuted | entered-in-error Binding: allergyEnteredInError FHIR (required): see mapping VF_allergyEnteredInError
type	SΣ	0..1	code	allergy | intolerance - Underlying mechanism (if known) Binding: allergyMechanism FHIR (required): see mapping VF_allergyMechanism
category	SΣ	0..*	code	food | medication | environment | biologic Binding: allergySubstanceCategory FHIR (required): see mapping VF_allergySubstanceCategory
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	SΣ	1..1	CodeableConcept	Code that identifies the allergy or intolerance Binding: Common substances for allergy and intolerance documentation including refutations (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	SΣ	0..1	string	Plain text representation of the concept
patient	SΣ	1..1	Reference(Patient)	Who the sensitivity is for
encounter		0..1	Reference(Encounter)	Encounter when the allergy or intolerance was asserted
onset[x]		0..1		When allergy or intolerance was identified
onsetDateTime			dateTime
onsetAge			Age
onsetPeriod			Period
onsetRange			Range
onsetString			string
recordedDate	S	0..1	dateTime	Date first version of the resource instance was recorded
recorder	S	0..1	Reference(Practitioner)	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
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
Slices for author[x]	Σ	0..1		Individual responsible for the annotation Slice: Unordered, Open by type:$this
authorReference			Reference(Practitioner | Patient | RelatedPerson | Organization)
authorString			string
author[x]:authorString	SΣ	0..1	string	Individual responsible for the annotation
time	SΣ	0..1	dateTime	When the annotation was made
text	SΣ	1..1	markdown	The annotation - text content (as markdown)
reaction	S	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	S	1..*	CodeableConcept	Clinical symptoms/signs associated with the Event Binding: SNOMEDCTClinicalFindings (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
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
system	SΣ	0..1	uri	Identity of the terminology system Required Pattern: urn:oid:2.16.840.1.113883.6.233
version	Σ	0..1	string	Version of the system - if relevant
code	SΣ	0..1	code	Symbol in syntax defined by the system
display	SΣ	0..1	string	Representation defined by the system
userSelected	Σ	0..1	boolean	If this coding was chosen directly by the user
text	SΣ	0..1	string	Plain text representation of the concept
description		0..1	string	Description of the event as a whole
onset	SC	0..1	dateTime	Date(/time) when manifestations showed ai-18-1652: If 6 OBSERVED/HISTORICAL = O then source value from (120.8-10 > 120.81-3)
severity	S	0..1	code	mild | moderate | severe (of event as a whole) Binding: allergySeverity FHIR (required): see mapping VF_allergySeverity
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	URI
AllergyIntolerance.language	preferred	CommonLanguages http://hl7.org/fhir/ValueSet/languages from the FHIR Standard Additional Bindings Purpose AllLanguages Max Binding
AllergyIntolerance.identifier:va-IEN.use	required	IdentifierUse http://hl7.org/fhir/ValueSet/identifier-use|4.0.1 from the FHIR Standard
AllergyIntolerance.identifier:va-IEN.type	extensible	Identifier Type Codes http://hl7.org/fhir/ValueSet/identifier-type from the FHIR Standard
AllergyIntolerance.identifier:va-CDW.use	required	IdentifierUse http://hl7.org/fhir/ValueSet/identifier-use|4.0.1 from the FHIR Standard
AllergyIntolerance.identifier:va-CDW.type	extensible	Identifier Type Codes http://hl7.org/fhir/ValueSet/identifier-type from the FHIR Standard
AllergyIntolerance.clinicalStatus	required	AllergyActive http://va.gov/fhir/ValueSet/allergyActive from this IG
AllergyIntolerance.verificationStatus	required	AllergyEnteredInError http://va.gov/fhir/ValueSet/allergyEnteredInError from this IG
AllergyIntolerance.type	required	AllergyMechanism http://va.gov/fhir/ValueSet/allergyMechanism from this IG
AllergyIntolerance.category	required	AllergySubstanceCategory http://va.gov/fhir/ValueSet/allergySubstanceCategory from this IG
AllergyIntolerance.criticality	required	AllergyIntoleranceCriticality http://hl7.org/fhir/ValueSet/allergy-intolerance-criticality|4.0.1 from the FHIR Standard
AllergyIntolerance.code	extensible	Common substances for allergy and intolerance documentation including refutations http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1186.8 from https://vsac.nlm.nih.gov
AllergyIntolerance.reaction.substance	example	SubstanceCode http://hl7.org/fhir/ValueSet/substance-code from the FHIR Standard
AllergyIntolerance.reaction.manifestation	extensible	SNOMEDCTClinicalFindings http://hl7.org/fhir/ValueSet/clinical-findings from the FHIR Standard
AllergyIntolerance.reaction.severity	required	AllergySeverity http://va.gov/fhir/ValueSet/allergySeverity from this IG
AllergyIntolerance.reaction.exposureRoute	example	SNOMEDCTRouteCodes http://hl7.org/fhir/ValueSet/route-codes from the FHIR Standard

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()
ai-18-1652	warning	AllergyIntolerance.reaction.onset	If 6 OBSERVED/HISTORICAL = O then source value from (120.8-10 > 120.81-3) : true
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()

Summary

Must-Support: 18 elements

Structures

This structure refers to these other structures:

• Patient (http://va.gov/fhir/StructureDefinition/Patient)
• Practitioner (http://va.gov/fhir/StructureDefinition/Practitioner)

Slices

This structure defines the following Slices:

• The element 1 is sliced based on the value of AllergyIntolerance.identifier
• The element 1 is sliced based on the value of AllergyIntolerance.note.author[x]