HL7 Vietnam VN Core FHIR Implementation Guide

Bộ Hướng dẫn Triển khai Core FHIR cho Việt Nam
0.5.0 - Draft for Community Review

Bộ Hướng dẫn Triển khai Core FHIR cho Việt Nam - Local Development build (v0.5.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

## Hồ sơ tài nguyên: Dịch vụ y tế VN Core — VN Core HealthcareService Profile

URL chính thức: http://fhir.hl7.org.vn/core/StructureDefinition/vn-core-healthcare-service | Phiên bản: 0.5.0 | Làm nổi bật phần thay đổi?
| Computable Name: VNCoreHealthcareService

Profile HealthcareService cho dịch vụ y tế tại cơ sở y tế Việt Nam, đặc biệt cho Trạm Y tế cấp xã/phường/đặc khu trong mô hình chính quyền 2 cấp. Căn cứ:

- VBHN 06/2026/VBHN-BYT (01/2026) — hợp nhất TT 43/2025/TT-BYT + TT 53/2025/TT-BYT, Điều 3-4 quy định phạm vi 5 nhóm dịch vụ TYT cấp xã (phòng bệnh, KCB ban đầu + PHCN, chăm sóc bà mẹ trẻ em + người cao tuổi + khuyết tật, dân số + ATTP, dược + TBYT cơ sở);
- Luật KCB 2023 (15/2023/QH15) — Điều 47-48;
- Luật 72/2025/QH15 — Luật Tổ chức chính quyền địa phương (mô hình 2 cấp). HealthcareService.type binding extensible với VNHealthcareServiceTypeVS — cho phép codes ngoài cho dịch vụ chuyên sâu của tuyến tỉnh/trung ương.

Usages:

- This Profile is not used by any profiles in this Implementation Guide

You can also check for usages in the FHIR IG Statistics

### Các dạng xem hình thức của nội dung hồ sơ

Mô tả profile, differential, snapshot và các biểu diễn liên quan.

- Bảng phần tử chính
- Bảng Differential
- Bảng Snapshot
- Thống kê/Tham chiếu
- Tất cả

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
HealthcareService |  | 0..* | HealthcareService | The details of a healthcare service available at a location
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored
active | ?!S Σ | 0..1 | boolean | Dịch vụ đang được cung cấp
providedBy | S Σ | 0..1 | Reference(Cơ sở y tế VN Core — VN Core Organization Profile) | Cơ sở y tế cung cấp dịch vụ (vd: TYT cấp xã)
category | S Σ | 0..* | CodeableConcept | Phân loại dịch vụ (general category) Binding: ServiceCategory (example): A category of the service(s) that could be provided.
type | S Σ | 0..* | CodeableConcept | Loại dịch vụ y tế (KCB ban đầu, tiêm chủng, PHCN, CS BME-TE...) Binding: Loại dịch vụ y tế tuyến cơ sở — VN Healthcare Service Type ValueSet (extensible)
location | S Σ | 0..* | Reference(Location) | Địa điểm cung cấp dịch vụ
name | S Σ | 0..1 | string | Tên dịch vụ
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
HealthcareService.category | Base | example | Service category | 📍4.0.1 | FHIR Std.
HealthcareService.type | Base | extensible | Loại dịch vụ y tế tuyến cơ sở — VN Healthcare Service Type ValueSet | 📦0.5.0 | This IG

#### Constraints

Id | Grade | Path(s) | Description | Expression
dom-2 | error | HealthcareService | If the resource is contained in another resource, it SHALL NOT contain nested Resources | `contained.contained.empty()`
dom-3 | error | HealthcareService | 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 | HealthcareService | 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 | HealthcareService | If a resource is contained in another resource, it SHALL NOT have a security label | `contained.meta.security.empty()`
dom-6 | best practice | HealthcareService | 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 Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
HealthcareService |  | 0..* | HealthcareService | The details of a healthcare service available at a location
active | S | 0..1 | boolean | Dịch vụ đang được cung cấp
providedBy | S | 0..1 | Reference(Cơ sở y tế VN Core — VN Core Organization Profile) | Cơ sở y tế cung cấp dịch vụ (vd: TYT cấp xã)
category | S | 0..* | CodeableConcept | Phân loại dịch vụ (general category)
type | S | 0..* | CodeableConcept | Loại dịch vụ y tế (KCB ban đầu, tiêm chủng, PHCN, CS BME-TE...) Binding: Loại dịch vụ y tế tuyến cơ sở — VN Healthcare Service Type ValueSet (extensible)
location | S | 0..* | Reference(Location) | Địa điểm cung cấp dịch vụ
name | S | 0..1 | string | Tên dịch vụ
Documentation for this format

#### Terminology Bindings (Differential)

Path | Status | Usage | ValueSet | Version | Source
HealthcareService.type | Base | extensible | Loại dịch vụ y tế tuyến cơ sở — VN Healthcare Service Type ValueSet | 📦0.5.0 | This IG

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
HealthcareService |  | 0..* | HealthcareService | The details of a healthcare service available at a location
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 | External identifiers for this item
active | ?!S Σ | 0..1 | boolean | Dịch vụ đang được cung cấp
providedBy | S Σ | 0..1 | Reference(Cơ sở y tế VN Core — VN Core Organization Profile) | Cơ sở y tế cung cấp dịch vụ (vd: TYT cấp xã)
category | S Σ | 0..* | CodeableConcept | Phân loại dịch vụ (general category) Binding: ServiceCategory (example): A category of the service(s) that could be provided.
type | S Σ | 0..* | CodeableConcept | Loại dịch vụ y tế (KCB ban đầu, tiêm chủng, PHCN, CS BME-TE...) Binding: Loại dịch vụ y tế tuyến cơ sở — VN Healthcare Service Type ValueSet (extensible)
specialty | Σ | 0..* | CodeableConcept | Specialties handled by the HealthcareService Binding: PracticeSettingCodeValueSet (preferred): A specialty that a healthcare service may provide.
location | S Σ | 0..* | Reference(Location) | Địa điểm cung cấp dịch vụ
name | S Σ | 0..1 | string | Tên dịch vụ
comment | Σ | 0..1 | string | Additional description and/or any specific issues not covered elsewhere
extraDetails |  | 0..1 | markdown | Extra details about the service that can't be placed in the other fields
photo | Σ | 0..1 | Attachment | Facilitates quick identification of the service
telecom |  | 0..* | ContactPoint | Contacts related to the healthcare service
coverageArea |  | 0..* | Reference(Location) | Location(s) service is intended for/available to
serviceProvisionCode |  | 0..* | CodeableConcept | Conditions under which service is available/offered Binding: ServiceProvisionConditions (example): The code(s) that detail the conditions under which the healthcare service is available/offered.
eligibility |  | 0..* | BackboneElement | Specific eligibility requirements required to use the service
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
code |  | 0..1 | CodeableConcept | Coded value for the eligibility Binding Description: (example): Coded values underwhich a specific service is made available.
comment |  | 0..1 | markdown | Describes the eligibility conditions for the service
program |  | 0..* | CodeableConcept | Programs that this service is applicable to Binding: Program (example): Government or local programs that this service applies to.
characteristic |  | 0..* | CodeableConcept | Collection of characteristics (attributes) Binding Description: (example): A custom attribute that could be provided at a service (e.g. Wheelchair accessibiliy).
communication |  | 0..* | CodeableConcept | The language that this service is offered in Binding: CommonLanguages (preferred): A human language.
Additional Bindings | Purpose
AllLanguages | Max Binding
referralMethod |  | 0..* | CodeableConcept | Ways that the service accepts referrals Binding: ReferralMethod (example): The methods of referral can be used when referring to a specific HealthCareService resource.
appointmentRequired |  | 0..1 | boolean | If an appointment is required for access to this service
availableTime |  | 0..* | BackboneElement | Times the Service Site is available
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
daysOfWeek |  | 0..* | code | mon | tue | wed | thu | fri | sat | sun Binding: DaysOfWeek (required): The days of the week.
allDay |  | 0..1 | boolean | Always available? e.g. 24 hour service
availableStartTime |  | 0..1 | time | Opening time of day (ignored if allDay = true)
availableEndTime |  | 0..1 | time | Closing time of day (ignored if allDay = true)
notAvailable |  | 0..* | BackboneElement | Not available during this time due to provided reason
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
description |  | 1..1 | string | Reason presented to the user explaining why time not available
during |  | 0..1 | Period | Service not available from this date
availabilityExceptions |  | 0..1 | string | Description of availability exceptions
endpoint |  | 0..* | Reference(Endpoint) | Technical endpoints providing access to electronic services operated for the healthcare service
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
HealthcareService.language | Base | preferred | Common Languages | 📍4.0.1 | FHIR Std.
HealthcareService.category | Base | example | Service category | 📍4.0.1 | FHIR Std.
HealthcareService.type | Base | extensible | Loại dịch vụ y tế tuyến cơ sở — VN Healthcare Service Type ValueSet | 📦0.5.0 | This IG
HealthcareService.specialty | Base | preferred | Practice Setting Code Value Set | 📍4.0.1 | FHIR Std.
HealthcareService.serviceProvisionCode | Base | example | ServiceProvisionConditions | 📍4.0.1 | FHIR Std.
HealthcareService.eligibility.​code | Base | example |  | Not State | Unknown
HealthcareService.program | Base | example | Program | 📍4.0.1 | FHIR Std.
HealthcareService.characteristic | Base | example |  | Not State | Unknown
HealthcareService.communication | Base | preferred | Common Languages | 📍4.0.1 | FHIR Std.
HealthcareService.referralMethod | Base | example | ReferralMethod | 📍4.0.1 | FHIR Std.
HealthcareService.availableTime.​daysOfWeek | Base | required | DaysOfWeek | 📍4.0.1 | FHIR Std.

#### Constraints

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

Structures

This structure refers to these other structures:

- Cơ sở y tế VN Core — VN Core Organization Profile (http://fhir.hl7.org.vn/core/StructureDefinition/vn-core-organization)

Dạng xem phần tử chính

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
HealthcareService |  | 0..* | HealthcareService | The details of a healthcare service available at a location
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored
active | ?!S Σ | 0..1 | boolean | Dịch vụ đang được cung cấp
providedBy | S Σ | 0..1 | Reference(Cơ sở y tế VN Core — VN Core Organization Profile) | Cơ sở y tế cung cấp dịch vụ (vd: TYT cấp xã)
category | S Σ | 0..* | CodeableConcept | Phân loại dịch vụ (general category) Binding: ServiceCategory (example): A category of the service(s) that could be provided.
type | S Σ | 0..* | CodeableConcept | Loại dịch vụ y tế (KCB ban đầu, tiêm chủng, PHCN, CS BME-TE...) Binding: Loại dịch vụ y tế tuyến cơ sở — VN Healthcare Service Type ValueSet (extensible)
location | S Σ | 0..* | Reference(Location) | Địa điểm cung cấp dịch vụ
name | S Σ | 0..1 | string | Tên dịch vụ
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
HealthcareService.category | Base | example | Service category | 📍4.0.1 | FHIR Std.
HealthcareService.type | Base | extensible | Loại dịch vụ y tế tuyến cơ sở — VN Healthcare Service Type ValueSet | 📦0.5.0 | This IG

#### Constraints

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

Dạng xem Differential

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
HealthcareService |  | 0..* | HealthcareService | The details of a healthcare service available at a location
active | S | 0..1 | boolean | Dịch vụ đang được cung cấp
providedBy | S | 0..1 | Reference(Cơ sở y tế VN Core — VN Core Organization Profile) | Cơ sở y tế cung cấp dịch vụ (vd: TYT cấp xã)
category | S | 0..* | CodeableConcept | Phân loại dịch vụ (general category)
type | S | 0..* | CodeableConcept | Loại dịch vụ y tế (KCB ban đầu, tiêm chủng, PHCN, CS BME-TE...) Binding: Loại dịch vụ y tế tuyến cơ sở — VN Healthcare Service Type ValueSet (extensible)
location | S | 0..* | Reference(Location) | Địa điểm cung cấp dịch vụ
name | S | 0..1 | string | Tên dịch vụ
Documentation for this format

#### Terminology Bindings (Differential)

Path | Status | Usage | ValueSet | Version | Source
HealthcareService.type | Base | extensible | Loại dịch vụ y tế tuyến cơ sở — VN Healthcare Service Type ValueSet | 📦0.5.0 | This IG

Dạng xem SnapshotView

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
HealthcareService |  | 0..* | HealthcareService | The details of a healthcare service available at a location
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 | External identifiers for this item
active | ?!S Σ | 0..1 | boolean | Dịch vụ đang được cung cấp
providedBy | S Σ | 0..1 | Reference(Cơ sở y tế VN Core — VN Core Organization Profile) | Cơ sở y tế cung cấp dịch vụ (vd: TYT cấp xã)
category | S Σ | 0..* | CodeableConcept | Phân loại dịch vụ (general category) Binding: ServiceCategory (example): A category of the service(s) that could be provided.
type | S Σ | 0..* | CodeableConcept | Loại dịch vụ y tế (KCB ban đầu, tiêm chủng, PHCN, CS BME-TE...) Binding: Loại dịch vụ y tế tuyến cơ sở — VN Healthcare Service Type ValueSet (extensible)
specialty | Σ | 0..* | CodeableConcept | Specialties handled by the HealthcareService Binding: PracticeSettingCodeValueSet (preferred): A specialty that a healthcare service may provide.
location | S Σ | 0..* | Reference(Location) | Địa điểm cung cấp dịch vụ
name | S Σ | 0..1 | string | Tên dịch vụ
comment | Σ | 0..1 | string | Additional description and/or any specific issues not covered elsewhere
extraDetails |  | 0..1 | markdown | Extra details about the service that can't be placed in the other fields
photo | Σ | 0..1 | Attachment | Facilitates quick identification of the service
telecom |  | 0..* | ContactPoint | Contacts related to the healthcare service
coverageArea |  | 0..* | Reference(Location) | Location(s) service is intended for/available to
serviceProvisionCode |  | 0..* | CodeableConcept | Conditions under which service is available/offered Binding: ServiceProvisionConditions (example): The code(s) that detail the conditions under which the healthcare service is available/offered.
eligibility |  | 0..* | BackboneElement | Specific eligibility requirements required to use the service
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
code |  | 0..1 | CodeableConcept | Coded value for the eligibility Binding Description: (example): Coded values underwhich a specific service is made available.
comment |  | 0..1 | markdown | Describes the eligibility conditions for the service
program |  | 0..* | CodeableConcept | Programs that this service is applicable to Binding: Program (example): Government or local programs that this service applies to.
characteristic |  | 0..* | CodeableConcept | Collection of characteristics (attributes) Binding Description: (example): A custom attribute that could be provided at a service (e.g. Wheelchair accessibiliy).
communication |  | 0..* | CodeableConcept | The language that this service is offered in Binding: CommonLanguages (preferred): A human language.
Additional Bindings | Purpose
AllLanguages | Max Binding
referralMethod |  | 0..* | CodeableConcept | Ways that the service accepts referrals Binding: ReferralMethod (example): The methods of referral can be used when referring to a specific HealthCareService resource.
appointmentRequired |  | 0..1 | boolean | If an appointment is required for access to this service
availableTime |  | 0..* | BackboneElement | Times the Service Site is available
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
daysOfWeek |  | 0..* | code | mon | tue | wed | thu | fri | sat | sun Binding: DaysOfWeek (required): The days of the week.
allDay |  | 0..1 | boolean | Always available? e.g. 24 hour service
availableStartTime |  | 0..1 | time | Opening time of day (ignored if allDay = true)
availableEndTime |  | 0..1 | time | Closing time of day (ignored if allDay = true)
notAvailable |  | 0..* | BackboneElement | Not available during this time due to provided reason
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
description |  | 1..1 | string | Reason presented to the user explaining why time not available
during |  | 0..1 | Period | Service not available from this date
availabilityExceptions |  | 0..1 | string | Description of availability exceptions
endpoint |  | 0..* | Reference(Endpoint) | Technical endpoints providing access to electronic services operated for the healthcare service
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
HealthcareService.language | Base | preferred | Common Languages | 📍4.0.1 | FHIR Std.
HealthcareService.category | Base | example | Service category | 📍4.0.1 | FHIR Std.
HealthcareService.type | Base | extensible | Loại dịch vụ y tế tuyến cơ sở — VN Healthcare Service Type ValueSet | 📦0.5.0 | This IG
HealthcareService.specialty | Base | preferred | Practice Setting Code Value Set | 📍4.0.1 | FHIR Std.
HealthcareService.serviceProvisionCode | Base | example | ServiceProvisionConditions | 📍4.0.1 | FHIR Std.
HealthcareService.eligibility.​code | Base | example |  | Not State | Unknown
HealthcareService.program | Base | example | Program | 📍4.0.1 | FHIR Std.
HealthcareService.characteristic | Base | example |  | Not State | Unknown
HealthcareService.communication | Base | preferred | Common Languages | 📍4.0.1 | FHIR Std.
HealthcareService.referralMethod | Base | example | ReferralMethod | 📍4.0.1 | FHIR Std.
HealthcareService.availableTime.​daysOfWeek | Base | required | DaysOfWeek | 📍4.0.1 | FHIR Std.

#### Constraints

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

Structures

This structure refers to these other structures:

- Cơ sở y tế VN Core — VN Core Organization Profile (http://fhir.hl7.org.vn/core/StructureDefinition/vn-core-organization)

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