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: Communication: (EMS CZ)

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

CZ Emergency Medical Service Communication Resource

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
--- | --- | --- | --- | ---
Communication |  | 0..* | Communication | A record of information transmitted from a sender to a receiver
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored
basedOn | S Σ | 0..* | Reference(Task) | Request fulfilled by this communication
status | ?!S Σ | 1..1 | code | preparation | in-progress | not-done | on-hold | stopped | completed | entered-in-error | unknown Binding: EventStatus (required): The status of the communication. Required Pattern: completed
recipient | S | 1..* | Reference(Practitioner (CZ core) | Practitioner Role (CZ core) | RelatedPerson) | Message recipient
identifier | S Σ | 1..1 | Identifier | Logical reference, when literal reference is not known
sender |  | 0..1 | Reference(RelatedPerson) | Message sender
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Communication.status | Base | required | EventStatus | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
dom-2 | error | Communication | If the resource is contained in another resource, it SHALL NOT contain nested Resources | `contained.contained.empty()`
dom-3 | error | Communication | 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 | Communication | 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 | Communication | If a resource is contained in another resource, it SHALL NOT have a security label | `contained.meta.security.empty()`
dom-6 | best practice | Communication | 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 Communication

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Communication |  | 0..* | Communication | A record of information transmitted from a sender to a receiver
basedOn | S | 0..* | Reference(Task) | Request fulfilled by this communication
status | S | 1..1 | code | preparation | in-progress | not-done | on-hold | stopped | completed | entered-in-error | unknown Required Pattern: completed
recipient | S | 1..* | Reference(Practitioner (CZ core) | Practitioner Role (CZ core) | RelatedPerson) | Message recipient
identifier | S | 1..1 | Identifier | Logical reference, when literal reference is not known
sender |  | 0..1 | Reference(RelatedPerson) | Message sender
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Communication |  | 0..* | Communication | A record of information transmitted from a sender to a receiver
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 | 0..* | Identifier | Unique identifier
instantiatesCanonical | Σ | 0..* | canonical(PlanDefinition | ActivityDefinition | Measure | OperationDefinition | Questionnaire) | Instantiates FHIR protocol or definition
instantiatesUri | Σ | 0..* | uri | Instantiates external protocol or definition
basedOn | S Σ | 0..* | Reference(Task) | Request fulfilled by this communication
partOf | Σ | 0..* | Reference(Resource) | Part of this action
inResponseTo |  | 0..* | Reference(Communication) | Reply to
status | ?!S Σ | 1..1 | code | preparation | in-progress | not-done | on-hold | stopped | completed | entered-in-error | unknown Binding: EventStatus (required): The status of the communication. Required Pattern: completed
statusReason | Σ | 0..1 | CodeableConcept | Reason for current status Binding: CommunicationNotDoneReason (example): Codes for the reason why a communication did not happen.
category |  | 0..* | CodeableConcept | Message category Binding: CommunicationCategory (example): Codes for general categories of communications such as alerts, instructions, etc.
priority | Σ | 0..1 | code | routine | urgent | asap | stat Binding: RequestPriority (required): Codes indicating the relative importance of a communication.
medium |  | 0..* | CodeableConcept | A channel of communication Binding: ParticipationMode (example): Codes for communication mediums such as phone, fax, email, in person, etc.
subject | Σ | 0..1 | Reference(Patient | Group) | Focus of message
topic |  | 0..1 | CodeableConcept | Description of the purpose/content Binding: CommunicationTopic (example): Codes describing the purpose or content of the communication.
about |  | 0..* | Reference(Resource) | Resources that pertain to this communication
encounter | Σ | 0..1 | Reference(Encounter) | Encounter created as part of
sent |  | 0..1 | dateTime | When sent
received |  | 0..1 | dateTime | When received
recipient | S | 1..* | Reference(Practitioner (CZ core) | Practitioner Role (CZ core) | RelatedPerson) | Message recipient
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
reference | Σ C | 0..1 | string | Literal reference, Relative, internal or absolute URL
type | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
identifier | S Σ | 1..1 | Identifier | Logical reference, when literal reference is not known
display | Σ | 0..1 | string | Text alternative for the resource
sender |  | 0..1 | Reference(RelatedPerson) | Message sender
reasonCode | Σ | 0..* | CodeableConcept | Indication for message Binding: SNOMEDCTClinicalFindings (example): Codes for describing reasons for the occurrence of a communication.
reasonReference | Σ | 0..* | Reference(Condition | Observation | DiagnosticReport | DocumentReference) | Why was communication done?
payload |  | 0..* | BackboneElement | Message payload
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
content[x] |  | 1..1 |  | Message part content
contentString |  |  | string |
contentAttachment |  |  | Attachment |
contentReference |  |  | Reference(Resource) |
note |  | 0..* | Annotation | Comments made about the communication
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Communication.language | Base | preferred | Common Languages | 📍4.0.1 | FHIR Std.
Communication.status | Base | required | EventStatus | 📍4.0.1 | FHIR Std.
Communication.statusReason | Base | example | CommunicationNotDoneReason | 📍4.0.1 | FHIR Std.
Communication.category | Base | example | CommunicationCategory | 📍4.0.1 | FHIR Std.
Communication.priority | Base | required | Request priority | 📍4.0.1 | FHIR Std.
Communication.medium | Base | example | ParticipationMode | 📦3.0.0 | THO v6.5
Communication.topic | Base | example | CommunicationTopic | 📍4.0.1 | FHIR Std.
Communication.recipient.​type | Base | extensible | ResourceType | 📍4.0.1 | FHIR Std.
Communication.reasonCode | Base | example | SNOMED CT Clinical Findings | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
dom-2 | error | Communication | If the resource is contained in another resource, it SHALL NOT contain nested Resources | `contained.contained.empty()`
dom-3 | error | Communication | 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 | Communication | 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 | Communication | If a resource is contained in another resource, it SHALL NOT have a security label | `contained.meta.security.empty()`
dom-6 | best practice | Communication | 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 Communication

Summary

Mandatory: 2 elements
Must-Support: 4 elements

Structures

This structure refers to these other structures:

- Practitioner (CZ core) (https://fhir.hl7cr.eu/core/StructureDefinition/cz-practitioner-core)
- Practitioner Role (CZ core) (https://fhir.hl7cr.eu/core/StructureDefinition/cz-practitionerrole-core)

Key Elements View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Communication |  | 0..* | Communication | A record of information transmitted from a sender to a receiver
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored
basedOn | S Σ | 0..* | Reference(Task) | Request fulfilled by this communication
status | ?!S Σ | 1..1 | code | preparation | in-progress | not-done | on-hold | stopped | completed | entered-in-error | unknown Binding: EventStatus (required): The status of the communication. Required Pattern: completed
recipient | S | 1..* | Reference(Practitioner (CZ core) | Practitioner Role (CZ core) | RelatedPerson) | Message recipient
identifier | S Σ | 1..1 | Identifier | Logical reference, when literal reference is not known
sender |  | 0..1 | Reference(RelatedPerson) | Message sender
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Communication.status | Base | required | EventStatus | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
dom-2 | error | Communication | If the resource is contained in another resource, it SHALL NOT contain nested Resources | `contained.contained.empty()`
dom-3 | error | Communication | 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 | Communication | 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 | Communication | If a resource is contained in another resource, it SHALL NOT have a security label | `contained.meta.security.empty()`
dom-6 | best practice | Communication | 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 Communication

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Communication |  | 0..* | Communication | A record of information transmitted from a sender to a receiver
basedOn | S | 0..* | Reference(Task) | Request fulfilled by this communication
status | S | 1..1 | code | preparation | in-progress | not-done | on-hold | stopped | completed | entered-in-error | unknown Required Pattern: completed
recipient | S | 1..* | Reference(Practitioner (CZ core) | Practitioner Role (CZ core) | RelatedPerson) | Message recipient
identifier | S | 1..1 | Identifier | Logical reference, when literal reference is not known
sender |  | 0..1 | Reference(RelatedPerson) | Message sender
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Communication |  | 0..* | Communication | A record of information transmitted from a sender to a receiver
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 | 0..* | Identifier | Unique identifier
instantiatesCanonical | Σ | 0..* | canonical(PlanDefinition | ActivityDefinition | Measure | OperationDefinition | Questionnaire) | Instantiates FHIR protocol or definition
instantiatesUri | Σ | 0..* | uri | Instantiates external protocol or definition
basedOn | S Σ | 0..* | Reference(Task) | Request fulfilled by this communication
partOf | Σ | 0..* | Reference(Resource) | Part of this action
inResponseTo |  | 0..* | Reference(Communication) | Reply to
status | ?!S Σ | 1..1 | code | preparation | in-progress | not-done | on-hold | stopped | completed | entered-in-error | unknown Binding: EventStatus (required): The status of the communication. Required Pattern: completed
statusReason | Σ | 0..1 | CodeableConcept | Reason for current status Binding: CommunicationNotDoneReason (example): Codes for the reason why a communication did not happen.
category |  | 0..* | CodeableConcept | Message category Binding: CommunicationCategory (example): Codes for general categories of communications such as alerts, instructions, etc.
priority | Σ | 0..1 | code | routine | urgent | asap | stat Binding: RequestPriority (required): Codes indicating the relative importance of a communication.
medium |  | 0..* | CodeableConcept | A channel of communication Binding: ParticipationMode (example): Codes for communication mediums such as phone, fax, email, in person, etc.
subject | Σ | 0..1 | Reference(Patient | Group) | Focus of message
topic |  | 0..1 | CodeableConcept | Description of the purpose/content Binding: CommunicationTopic (example): Codes describing the purpose or content of the communication.
about |  | 0..* | Reference(Resource) | Resources that pertain to this communication
encounter | Σ | 0..1 | Reference(Encounter) | Encounter created as part of
sent |  | 0..1 | dateTime | When sent
received |  | 0..1 | dateTime | When received
recipient | S | 1..* | Reference(Practitioner (CZ core) | Practitioner Role (CZ core) | RelatedPerson) | Message recipient
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
reference | Σ C | 0..1 | string | Literal reference, Relative, internal or absolute URL
type | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
identifier | S Σ | 1..1 | Identifier | Logical reference, when literal reference is not known
display | Σ | 0..1 | string | Text alternative for the resource
sender |  | 0..1 | Reference(RelatedPerson) | Message sender
reasonCode | Σ | 0..* | CodeableConcept | Indication for message Binding: SNOMEDCTClinicalFindings (example): Codes for describing reasons for the occurrence of a communication.
reasonReference | Σ | 0..* | Reference(Condition | Observation | DiagnosticReport | DocumentReference) | Why was communication done?
payload |  | 0..* | BackboneElement | Message payload
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
content[x] |  | 1..1 |  | Message part content
contentString |  |  | string |
contentAttachment |  |  | Attachment |
contentReference |  |  | Reference(Resource) |
note |  | 0..* | Annotation | Comments made about the communication
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Communication.language | Base | preferred | Common Languages | 📍4.0.1 | FHIR Std.
Communication.status | Base | required | EventStatus | 📍4.0.1 | FHIR Std.
Communication.statusReason | Base | example | CommunicationNotDoneReason | 📍4.0.1 | FHIR Std.
Communication.category | Base | example | CommunicationCategory | 📍4.0.1 | FHIR Std.
Communication.priority | Base | required | Request priority | 📍4.0.1 | FHIR Std.
Communication.medium | Base | example | ParticipationMode | 📦3.0.0 | THO v6.5
Communication.topic | Base | example | CommunicationTopic | 📍4.0.1 | FHIR Std.
Communication.recipient.​type | Base | extensible | ResourceType | 📍4.0.1 | FHIR Std.
Communication.reasonCode | Base | example | SNOMED CT Clinical Findings | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
dom-2 | error | Communication | If the resource is contained in another resource, it SHALL NOT contain nested Resources | `contained.contained.empty()`
dom-3 | error | Communication | 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 | Communication | 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 | Communication | If a resource is contained in another resource, it SHALL NOT have a security label | `contained.meta.security.empty()`
dom-6 | best practice | Communication | 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 Communication

Summary

Mandatory: 2 elements
Must-Support: 4 elements

Structures

This structure refers to these other structures:

- Practitioner (CZ core) (https://fhir.hl7cr.eu/core/StructureDefinition/cz-practitioner-core)
- Practitioner Role (CZ core) (https://fhir.hl7cr.eu/core/StructureDefinition/cz-practitionerrole-core)

Other representations of profile: CSV, Excel, Schematron