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Resource Profile: Slot

Official URL: https://smart-scheduling-links.org/StructureDefinition/smart-scheduling-slot Version: 0.1.0
Draft as of 2026-03-05 Computable Name: SmartSchedulingSlot

This profile sets minimum expectations for a Slot Resource.

Usages:

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.

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Slot 0..* Slot A slot of time on a schedule that may be available for booking appointments
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... Slices for extension 0..* Extension Extension
Slice: Unordered, Open by value:url
.... extension:bookingDeepLink 0..1 url Booking Deep Link
URL: http://fhir-registry.smarthealthit.org/StructureDefinition/booking-deep-link
.... extension:bookingPhone 0..1 string Booking Phone
URL: http://fhir-registry.smarthealthit.org/StructureDefinition/booking-phone
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... schedule Σ 1..1 Reference(Schedule) The schedule resource that this slot defines an interval of status information
... status Σ 1..1 code busy | free | busy-unavailable | busy-tentative | entered-in-error
Binding: SlotStatus (required): The free/busy status of the slot.
... start Σ 1..1 instant Date/Time that the slot is to begin
... end Σ 1..1 instant Date/Time that the slot is to conclude

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Slot.appointmentType Base preferred Appointment Type and Reasons 📦0.1.0 This IG
Slot.status Base required SlotStatus 📍4.0.1 FHIR Std.

Constraints

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

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Slot 0..* Slot A slot of time on a schedule that may be available for booking appointments
... Slices for extension 0..* Extension Extension
Slice: Unordered, Open by value:url
.... extension:bookingDeepLink 0..1 url Booking Deep Link
URL: http://fhir-registry.smarthealthit.org/StructureDefinition/booking-deep-link
.... extension:bookingPhone 0..1 string Booking Phone
URL: http://fhir-registry.smarthealthit.org/StructureDefinition/booking-phone
... appointmentType S 0..1 CodeableConcept The style of appointment or patient that may be booked in the slot (not service type)
Binding: Appointment Type and Reasons (preferred)

doco Documentation for this format

Terminology Bindings (Differential)

Path Status Usage ValueSet Version Source
Slot.appointmentType Base preferred Appointment Type and Reasons 📦0.1.0 This IG
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Slot 0..* Slot A slot of time on a schedule that may be available for booking appointments
... 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
... 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
... Slices for extension 0..* Extension Extension
Slice: Unordered, Open by value:url
.... extension:bookingDeepLink 0..1 url Booking Deep Link
URL: http://fhir-registry.smarthealthit.org/StructureDefinition/booking-deep-link
.... extension:bookingPhone 0..1 string Booking Phone
URL: http://fhir-registry.smarthealthit.org/StructureDefinition/booking-phone
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... identifier Σ 0..* Identifier External Ids for this item
... serviceCategory Σ 0..* CodeableConcept A broad categorization of the service that is to be performed during this appointment
Binding: ServiceCategory (example)
... serviceType Σ 0..* CodeableConcept The type of appointments that can be booked into this slot (ideally this would be an identifiable service - which is at a location, rather than the location itself). If provided then this overrides the value provided on the availability resource
Binding: ServiceType (example)
... specialty Σ 0..* CodeableConcept The specialty of a practitioner that would be required to perform the service requested in this appointment
Binding: PracticeSettingCodeValueSet (preferred): Additional details about where the content was created (e.g. clinical specialty).
... appointmentType SΣ 0..1 CodeableConcept The style of appointment or patient that may be booked in the slot (not service type)
Binding: Appointment Type and Reasons (preferred)
... schedule Σ 1..1 Reference(Schedule) The schedule resource that this slot defines an interval of status information
... status Σ 1..1 code busy | free | busy-unavailable | busy-tentative | entered-in-error
Binding: SlotStatus (required): The free/busy status of the slot.
... start Σ 1..1 instant Date/Time that the slot is to begin
... end Σ 1..1 instant Date/Time that the slot is to conclude
... overbooked 0..1 boolean This slot has already been overbooked, appointments are unlikely to be accepted for this time
... comment 0..1 string Comments on the slot to describe any extended information. Such as custom constraints on the slot

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Slot.language Base preferred Common Languages 📍4.0.1 FHIR Std.
Slot.serviceCategory Base example Service category 📍4.0.1 FHIR Std.
Slot.serviceType Base example Service type 📍4.0.1 FHIR Std.
Slot.specialty Base preferred Practice Setting Code Value Set 📍4.0.1 FHIR Std.
Slot.appointmentType Base preferred Appointment Type and Reasons 📦0.1.0 This IG
Slot.status Base required SlotStatus 📍4.0.1 FHIR Std.

Constraints

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

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Slot 0..* Slot A slot of time on a schedule that may be available for booking appointments
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... Slices for extension 0..* Extension Extension
Slice: Unordered, Open by value:url
.... extension:bookingDeepLink 0..1 url Booking Deep Link
URL: http://fhir-registry.smarthealthit.org/StructureDefinition/booking-deep-link
.... extension:bookingPhone 0..1 string Booking Phone
URL: http://fhir-registry.smarthealthit.org/StructureDefinition/booking-phone
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... schedule Σ 1..1 Reference(Schedule) The schedule resource that this slot defines an interval of status information
... status Σ 1..1 code busy | free | busy-unavailable | busy-tentative | entered-in-error
Binding: SlotStatus (required): The free/busy status of the slot.
... start Σ 1..1 instant Date/Time that the slot is to begin
... end Σ 1..1 instant Date/Time that the slot is to conclude

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Slot.appointmentType Base preferred Appointment Type and Reasons 📦0.1.0 This IG
Slot.status Base required SlotStatus 📍4.0.1 FHIR Std.

Constraints

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

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Slot 0..* Slot A slot of time on a schedule that may be available for booking appointments
... Slices for extension 0..* Extension Extension
Slice: Unordered, Open by value:url
.... extension:bookingDeepLink 0..1 url Booking Deep Link
URL: http://fhir-registry.smarthealthit.org/StructureDefinition/booking-deep-link
.... extension:bookingPhone 0..1 string Booking Phone
URL: http://fhir-registry.smarthealthit.org/StructureDefinition/booking-phone
... appointmentType S 0..1 CodeableConcept The style of appointment or patient that may be booked in the slot (not service type)
Binding: Appointment Type and Reasons (preferred)

doco Documentation for this format

Terminology Bindings (Differential)

Path Status Usage ValueSet Version Source
Slot.appointmentType Base preferred Appointment Type and Reasons 📦0.1.0 This IG

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Slot 0..* Slot A slot of time on a schedule that may be available for booking appointments
... 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
... 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
... Slices for extension 0..* Extension Extension
Slice: Unordered, Open by value:url
.... extension:bookingDeepLink 0..1 url Booking Deep Link
URL: http://fhir-registry.smarthealthit.org/StructureDefinition/booking-deep-link
.... extension:bookingPhone 0..1 string Booking Phone
URL: http://fhir-registry.smarthealthit.org/StructureDefinition/booking-phone
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... identifier Σ 0..* Identifier External Ids for this item
... serviceCategory Σ 0..* CodeableConcept A broad categorization of the service that is to be performed during this appointment
Binding: ServiceCategory (example)
... serviceType Σ 0..* CodeableConcept The type of appointments that can be booked into this slot (ideally this would be an identifiable service - which is at a location, rather than the location itself). If provided then this overrides the value provided on the availability resource
Binding: ServiceType (example)
... specialty Σ 0..* CodeableConcept The specialty of a practitioner that would be required to perform the service requested in this appointment
Binding: PracticeSettingCodeValueSet (preferred): Additional details about where the content was created (e.g. clinical specialty).
... appointmentType SΣ 0..1 CodeableConcept The style of appointment or patient that may be booked in the slot (not service type)
Binding: Appointment Type and Reasons (preferred)
... schedule Σ 1..1 Reference(Schedule) The schedule resource that this slot defines an interval of status information
... status Σ 1..1 code busy | free | busy-unavailable | busy-tentative | entered-in-error
Binding: SlotStatus (required): The free/busy status of the slot.
... start Σ 1..1 instant Date/Time that the slot is to begin
... end Σ 1..1 instant Date/Time that the slot is to conclude
... overbooked 0..1 boolean This slot has already been overbooked, appointments are unlikely to be accepted for this time
... comment 0..1 string Comments on the slot to describe any extended information. Such as custom constraints on the slot

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Slot.language Base preferred Common Languages 📍4.0.1 FHIR Std.
Slot.serviceCategory Base example Service category 📍4.0.1 FHIR Std.
Slot.serviceType Base example Service type 📍4.0.1 FHIR Std.
Slot.specialty Base preferred Practice Setting Code Value Set 📍4.0.1 FHIR Std.
Slot.appointmentType Base preferred Appointment Type and Reasons 📦0.1.0 This IG
Slot.status Base required SlotStatus 📍4.0.1 FHIR Std.

Constraints

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

 

Other representations of profile: CSV, Excel, Schematron