NameFlagsCard.TypeDescription & Constraintsdoco
.. Slot TUDomainResourceA slot of time on a schedule that may be available for booking appointments

Elements defined in Ancestors: id, meta, implicitRules, language, text, contained, extension, modifierExtension
... identifier Σ0..*IdentifierExternal Ids for this item

... serviceCategory Σ0..*CodeableConceptA broad categorization of the service that is to be performed during this appointment
Binding: Service Category (Example)

... serviceType Σ0..*CodeableReference(HealthcareService)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 Schedule resource
Binding: Service Type (Example)

... specialty Σ0..*CodeableConceptThe specialty of a practitioner that would be required to perform the service requested in this appointment
Binding: Practice Setting Code Value Set (Preferred)

... appointmentType Σ0..*CodeableConceptThe style of appointment or patient that may be booked in the slot (not service type)
Binding: hl7VS-appointmentReasonCodes (Preferred)

... schedule Σ1..1Reference(Schedule)The schedule resource that this slot defines an interval of status information
... status Σ1..1codebusy | free | busy-unavailable | busy-tentative | entered-in-error
Binding: Slot Status (Required)
... start Σ1..1instantDate/Time that the slot is to begin
... end Σ1..1instantDate/Time that the slot is to conclude
... overbooked 0..1booleanThis slot has already been overbooked, appointments are unlikely to be accepted for this time
... comment 0..1stringComments on the slot to describe any extended information. Such as custom constraints on the slot

doco Documentation for this format