> ## Documentation Index
> Fetch the complete documentation index at: https://docs.metriport.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Slot

> A slot of time on a schedule that may be available for booking appointments.

## Properties

| Name | Required | Type | Description |
| - | - | - | - |
| identifier | No | [Identifier](/medical-api/fhir/data-types/identifier)\[] | External Ids for this item |
| serviceCategory | No | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept)\[] | A broad categorization of the service that is to be performed during this appointment |
| serviceType | No | [CodeableConcept](/medical-api/fhir/data-types/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 |
| specialty | No | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept)\[] | The specialty of a practitioner that would be required to perform the service requested in this appointment |
| appointmentType | No | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept) | The style of appointment or patient that may be booked in the slot (not service type) |
| schedule | Yes | Reference\<[Schedule](/medical-api/fhir/resources/schedule)> | The schedule resource that this slot defines an interval of status information |
| status | Yes | code | busy / free / busy-unavailable / busy-tentative / entered-in-error |
| start | Yes | instant | Date/Time that the slot is to begin |
| end | Yes | instant | Date/Time that the slot is to conclude |
| overbooked | No | boolean | This slot has already been overbooked, appointments are unlikely to be accepted for this time |
| comment | No | string | Comments on the slot to describe any extended information. Such as custom constraints on the slot |

## Search Parameters

| Name | Type | Description | Expression |
| - | - | - | - |
| appointment-type | token | The style of appointment or patient that may be booked in the slot (not service type) | Slot.appointmentType |
| identifier | token | A Slot Identifier | Slot.identifier |
| schedule | reference | The Schedule Resource that we are seeking a slot within | Slot.schedule |
| service-category | token | A broad categorization of the service that is to be performed during this appointment | Slot.serviceCategory |
| service-type | token | The type of appointments that can be booked into the slot | Slot.serviceType |
| specialty | token | The specialty of a practitioner that would be required to perform the service requested in this appointment | Slot.specialty |
| start | date | Appointment date/time. | Slot.start |
| status | token | The free/busy status of the appointment | Slot.status |

## Inherited Properties

| Name | Required | Type | Description |
| - | - | - | - |
| id | No | string | Logical id of this artifact |
| meta | No | [Meta](/medical-api/fhir/data-types/meta) | Metadata about the resource |
| implicitRules | No | uri | A set of rules under which this content was created |
| language | No | code | Language of the resource content |
| text | No | [Narrative](/medical-api/fhir/data-types/narrative) | Text summary of the resource, for human interpretation |
| contained | No | Resource\[] | Contained, inline Resources |
| extension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| modifierExtension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored |

To view the FHIR specification for this resource, see [Slot](https://www.hl7.org/fhir/StructureDefinition/Slot).


This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.