This page is part of the FHIR Specification (v1.4.0: STU 3 Ballot 3). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions
. Page versions: R5 R4B R4 R3 R2

Detailed Descriptions for the elements in the Slot resource.
| Slot | |
| Definition | A slot of time on a schedule that may be available for booking appointments. |
| Control | 1..1 |
| Slot.identifier | |
| Definition | External Ids for this item. |
| Note | This is a business identifer, not a resource identifier (see discussion) |
| Control | 0..* |
| Type | Identifier |
| Summary | true |
| Slot.serviceCategory | |
| Definition | A broad categorisation of the service that is to be performed during this appointment. |
| Control | 0..1 |
| Binding | ServiceCategory: (Example) |
| Type | CodeableConcept |
| Summary | true |
| Slot.serviceType | |
| Definition | 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. |
| Control | 0..* |
| Binding | ServiceType: (Example) |
| Type | CodeableConcept |
| Summary | true |
| Slot.specialty | |
| Definition | The specialty of a practitioner that would be required to perform the service requested in this appointment. |
| Control | 0..* |
| Binding | Practice Setting Code Value Set: Additional details about where the content was created (e.g. clinical specialty). (Preferred) |
| Type | CodeableConcept |
| Summary | true |
| Slot.appointmentType | |
| Definition | The style of appointment or patient that has been booked in the slot (not service type). |
| Control | 0..1 |
| Binding | v2 Appointment reason codes: (Preferred) |
| Type | CodeableConcept |
| Summary | true |
| Slot.schedule | |
| Definition | The schedule resource that this slot defines an interval of status information. |
| Control | 1..1 |
| Type | Reference(Schedule) |
| Summary | true |
| Slot.status | |
| Definition | busy | free | busy-unavailable | busy-tentative. |
| Control | 1..1 |
| Binding | SlotStatus: The free/busy status of the slot. (Required) |
| Type | code |
| Summary | true |
| Slot.start | |
| Definition | Date/Time that the slot is to begin. |
| Control | 1..1 |
| Type | instant |
| Summary | true |
| Slot.end | |
| Definition | Date/Time that the slot is to conclude. |
| Control | 1..1 |
| Type | instant |
| Summary | true |
| Slot.overbooked | |
| Definition | This slot has already been overbooked, appointments are unlikely to be accepted for this time. |
| Control | 0..1 |
| Type | boolean |
| Meaning if Missing | If overbooked is missing, systems may assume that there are still appointments available |
| Slot.comment | |
| Definition | Comments on the slot to describe any extended information. Such as custom constraints on the slot. |
| Control | 0..1 |
| Type | string |