HL7 Czech EMS Implementation Guide
0.0.2 - ci-build

HL7 Czech EMS Implementation Guide, published by HL7 Czech Republic. This guide is not an authorized publication; it is the continuous build for version 0.0.2 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7-cz/cz-ems/ and changes regularly. See the Directory of published versions

## Resource Profile: Allergy Intolerance: (EMS CZ)

Official URL: https://hl7.cz/fhir/cz-ems/StructureDefinition/cz-allergyIntolerance-ems | Version: 0.0.2
Draft as of 2025-10-14 | Computable Name: CZ_AllergyIntoleranceEms

This profile constrains the AllergyIntolerance resource for the purpose of the EMS project.

Usages:

- Refer to this Profile: Composition (EMS CZ)

You can also check for usages in the FHIR IG Statistics

### Formal Views of Profile Content

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

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

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
AllergyIntolerance | C | 0..* | CZ_AllergyIntolerance | Czech Allergy Intolerance Constraints: ait-1, ait-2
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored
identifier | Σ | 1..* | Identifier | External ids for this item
clinicalStatus | ?!Σ C | 1..1 | CodeableConcept | active | inactive | resolved Binding: AllergyIntoleranceClinicalStatusCodes (required)
verificationStatus | ?!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.
patient | Σ | 1..1 | Reference(Patient (CZ core)) | Who the sensitivity is for
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
AllergyIntolerance.clinicalStatus | Base | required | AllergyIntolerance Clinical Status Codes | 📦4.0.1 | FHIR Std.
AllergyIntolerance.verificationStatus | Base | required | AllergyIntolerance Verification Status Codes | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
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 CZ_AllergyIntolerance

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
AllergyIntolerance |  | 0..* | CZ_AllergyIntolerance | Czech Allergy Intolerance
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
AllergyIntolerance | C | 0..* | CZ_AllergyIntolerance | Czech Allergy Intolerance Constraints: ait-1, ait-2
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 This profile does not constrain the narrative in regard to content, language, or traceability to data elements
contained |  | 0..* | Resource | Contained, inline Resources
extension |  | 0..* | Extension | Additional content defined by implementations
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored
identifier | Σ | 1..* | Identifier | External ids for this item
clinicalStatus | ?!Σ C | 1..1 | CodeableConcept | active | inactive | resolved Binding: AllergyIntoleranceClinicalStatusCodes (required)
verificationStatus | ?!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 | 0..1 | code | allergy | intolerance - Underlying mechanism (if known) Binding: AllergyIntoleranceType (required)
category | Σ | 0..* | code | food | medication | environment | biologic Binding: AllergyIntoleranceCategory (required)
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 | Σ | 0..1 | CodeableConcept | Code that identifies the allergy or intolerance Binding: eHDSI Agent or Allergen With Exceptions (preferred)
patient | Σ | 1..1 | Reference(Patient (CZ core)) | 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 |  | 0..1 | dateTime | Date first version of the resource instance was recorded
recorder |  | 0..1 | Reference(Practitioner (CZ core) | Practitioner Role (CZ core) | Patient (CZ core) | Related Person (CZ core)) | Who recorded the sensitivity
asserter | Σ | 0..1 | Reference(Patient (CZ core) | Related Person (CZ core) | Practitioner (CZ core) | Practitioner Role (CZ core)) | 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 | Status | Usage | ValueSet | Version | Source
AllergyIntolerance.language | Base | preferred | Common Languages | 📍4.0.1 | FHIR Std.
AllergyIntolerance.clinicalStatus | Base | required | AllergyIntolerance Clinical Status Codes | 📦4.0.1 | FHIR Std.
AllergyIntolerance.verificationStatus | Base | required | AllergyIntolerance Verification Status Codes | 📍4.0.1 | FHIR Std.
AllergyIntolerance.type | Base | required | AllergyIntoleranceType | 📦4.0.1 | FHIR Std.
AllergyIntolerance.category | Base | required | AllergyIntoleranceCategory | 📦4.0.1 | FHIR Std.
AllergyIntolerance.criticality | Base | required | AllergyIntoleranceCriticality | 📍4.0.1 | FHIR Std.
AllergyIntolerance.code | Base | preferred | eHDSI Agent or Allergen With Exceptions | 📦0.3.0-ballot | HL7 Czech Base and Core Implementation Guide vnull
AllergyIntolerance.reaction.​substance | Base | example | Substance Code | 📍4.0.1 | FHIR Std.
AllergyIntolerance.reaction.​manifestation | Base | example | SNOMED CT Clinical Findings | 📍4.0.1 | FHIR Std.
AllergyIntolerance.reaction.​severity | Base | required | AllergyIntoleranceSeverity | 📍4.0.1 | FHIR Std.
AllergyIntolerance.reaction.​exposureRoute | Base | example | SNOMED CT Route Codes | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
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 CZ_AllergyIntolerance

Summary

Key Elements View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
AllergyIntolerance | C | 0..* | CZ_AllergyIntolerance | Czech Allergy Intolerance Constraints: ait-1, ait-2
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored
identifier | Σ | 1..* | Identifier | External ids for this item
clinicalStatus | ?!Σ C | 1..1 | CodeableConcept | active | inactive | resolved Binding: AllergyIntoleranceClinicalStatusCodes (required)
verificationStatus | ?!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.
patient | Σ | 1..1 | Reference(Patient (CZ core)) | Who the sensitivity is for
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
AllergyIntolerance.clinicalStatus | Base | required | AllergyIntolerance Clinical Status Codes | 📦4.0.1 | FHIR Std.
AllergyIntolerance.verificationStatus | Base | required | AllergyIntolerance Verification Status Codes | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
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()`

Differential View

This structure is derived from CZ_AllergyIntolerance

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
AllergyIntolerance |  | 0..* | CZ_AllergyIntolerance | Czech Allergy Intolerance
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
AllergyIntolerance | C | 0..* | CZ_AllergyIntolerance | Czech Allergy Intolerance Constraints: ait-1, ait-2
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 This profile does not constrain the narrative in regard to content, language, or traceability to data elements
contained |  | 0..* | Resource | Contained, inline Resources
extension |  | 0..* | Extension | Additional content defined by implementations
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored
identifier | Σ | 1..* | Identifier | External ids for this item
clinicalStatus | ?!Σ C | 1..1 | CodeableConcept | active | inactive | resolved Binding: AllergyIntoleranceClinicalStatusCodes (required)
verificationStatus | ?!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 | 0..1 | code | allergy | intolerance - Underlying mechanism (if known) Binding: AllergyIntoleranceType (required)
category | Σ | 0..* | code | food | medication | environment | biologic Binding: AllergyIntoleranceCategory (required)
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 | Σ | 0..1 | CodeableConcept | Code that identifies the allergy or intolerance Binding: eHDSI Agent or Allergen With Exceptions (preferred)
patient | Σ | 1..1 | Reference(Patient (CZ core)) | 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 |  | 0..1 | dateTime | Date first version of the resource instance was recorded
recorder |  | 0..1 | Reference(Practitioner (CZ core) | Practitioner Role (CZ core) | Patient (CZ core) | Related Person (CZ core)) | Who recorded the sensitivity
asserter | Σ | 0..1 | Reference(Patient (CZ core) | Related Person (CZ core) | Practitioner (CZ core) | Practitioner Role (CZ core)) | 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 | Status | Usage | ValueSet | Version | Source
AllergyIntolerance.language | Base | preferred | Common Languages | 📍4.0.1 | FHIR Std.
AllergyIntolerance.clinicalStatus | Base | required | AllergyIntolerance Clinical Status Codes | 📦4.0.1 | FHIR Std.
AllergyIntolerance.verificationStatus | Base | required | AllergyIntolerance Verification Status Codes | 📍4.0.1 | FHIR Std.
AllergyIntolerance.type | Base | required | AllergyIntoleranceType | 📦4.0.1 | FHIR Std.
AllergyIntolerance.category | Base | required | AllergyIntoleranceCategory | 📦4.0.1 | FHIR Std.
AllergyIntolerance.criticality | Base | required | AllergyIntoleranceCriticality | 📍4.0.1 | FHIR Std.
AllergyIntolerance.code | Base | preferred | eHDSI Agent or Allergen With Exceptions | 📦0.3.0-ballot | HL7 Czech Base and Core Implementation Guide vnull
AllergyIntolerance.reaction.​substance | Base | example | Substance Code | 📍4.0.1 | FHIR Std.
AllergyIntolerance.reaction.​manifestation | Base | example | SNOMED CT Clinical Findings | 📍4.0.1 | FHIR Std.
AllergyIntolerance.reaction.​severity | Base | required | AllergyIntoleranceSeverity | 📍4.0.1 | FHIR Std.
AllergyIntolerance.reaction.​exposureRoute | Base | example | SNOMED CT Route Codes | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
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 CZ_AllergyIntolerance

Summary

Other representations of profile: CSV, Excel, Schematron