Patient Administration Base, for implementation see

• Account Number Hospital Spell - an admission (inpatient or outpatient)
• Visit Number Visit - an A&E attendance, a community contract, an OP attendance (Appointment), etc

Reference

• NHS England HL7 v2 PV1 ADT Message Specification

For detailed notes on FHIR Encounter in a NHS region, see Yorkshire and Humberside Care Record (YHCR) - FHIR Encounter (YHCR GitHub Repository)

Entity Diagram

erDiagram

Visit {
    identifier VisitNumber
    code CareSetting-UKCoreCareSettingType
    code Type-UKCoreEncounterType
    reference HospitalSpell
}

HospitalSpell {
    identifier HospitalSpellIdentifier-AccountNumber
    code CareSetting-TreatmentFunctionCode
    code Class-ActEncounterCode
    code Consultant-ConsultantCode
    code Provider-ODSCode
    code AdmissionSource
    code DischargeDisposition
}

 HospitalSpell ||--|{ Visit : has

• Key Elements Table
• Differential Table
• Snapshot Table
• Statistics/References
• All

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Encounter		0..*	Encounter	An interaction during which services are provided to the patient
Encounter.implicitRules	?! This element is a modifier element. Σ This element is included in summaries.	0..1	uri	A set of rules under which this content was created
Encounter.modifierExtension	?! This element is a modifier element.	0..*	Extension	Extensions that cannot be ignored
Encounter.Slices for identifier	S This element must be supported. Σ This element is included in summaries.	1..*	CorrelationIdentifier	Identifier(s) by which this encounter is known Slice: Unordered, Open by value:type Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
Encounter.Slices for identifier.identifier:GS1SRIN	S This element must be supported. Σ This element is included in summaries.	0..1	GS1SRIN	Identifier(s) by which this encounter is known
Encounter.status	?! This element is a modifier element. Σ This element is included in summaries.	1..1	code	planned | arrived | triaged | in-progress | onleave | finished | cancelled + Binding: EncounterStatus (required): Current state of the encounter.
Encounter.class	Σ This element is included in summaries.	1..1	Coding	Classification of patient encounter Binding: ActEncounterCode (extensible): Classification of the encounter.
Encounter.type	Σ This element is included in summaries.	0..1	CodeableConcept	Specific type of encounter Binding: EncounterType (example): The type of encounter.
Encounter.serviceType	S This element must be supported. Σ This element is included in summaries.	0..1	CodeableConcept	Specific type of service Binding: ServiceType (example): Broad categorization of the service that is to be provided.
Encounter.subject	S This element must be supported. Σ This element is included in summaries.	1..1	Reference(Patient)	The patient or group present at the encounter
Encounter.subject.identifier	Σ This element is included in summaries.	0..1	NHSIdentifier	Logical reference, when literal reference is not known
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
Encounter.status	Base	required	EncounterStatus	📍4.0.1	FHIR Std.
Encounter.class	Base	extensible	ActEncounterCode	📦3.0.0	THO v7.5
Encounter.type	Base	example	Encounter type	📍4.0.1	FHIR Std.
Encounter.serviceType	Base	example	Service type	📍4.0.1	FHIR Std.

Constraints

Id

Grade

Path(s)

Description

Expression

This structure is derived from Encounter

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Encounter			Encounter
Encounter.Slices for identifier	S This element must be supported.	1..*	CorrelationIdentifier	Identifier(s) by which this encounter is known Slice: Unordered, Open by value:type Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
Encounter.Slices for identifier.identifier:GS1SRIN	S This element must be supported.	0..1	GS1SRIN	Identifier(s) by which this encounter is known
Encounter.type		0..1	CodeableConcept	Specific type of encounter
Encounter.serviceType	S This element must be supported.	0..1	CodeableConcept	Specific type of service
Encounter.subject	S This element must be supported.	1..1	Reference(Patient)	The patient or group present at the encounter
Encounter.subject.identifier		0..1	NHSIdentifier	Logical reference, when literal reference is not known
Encounter.serviceProvider
Encounter.serviceProvider.identifier		0..1	OrganisationCode	Logical reference, when literal reference is not known
Documentation for this format

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Encounter		0..*	Encounter	An interaction during which services are provided to the patient
Encounter.id	Σ This element is included in summaries.	0..1	id	Logical id of this artifact
Encounter.meta	Σ This element is included in summaries.	0..1	Meta	Metadata about the resource
Encounter.implicitRules	?! This element is a modifier element. Σ This element is included in summaries.	0..1	uri	A set of rules under which this content was created
Encounter.language		0..1	code	Language of the resource content Binding: CommonLanguages (preferred): A human language. Additional Bindings Purpose AllLanguages Max Binding
Encounter.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
Encounter.contained		0..*	Resource	Contained, inline Resources
Encounter.extension		0..*	Extension	Additional content defined by implementations
Encounter.modifierExtension	?! This element is a modifier element.	0..*	Extension	Extensions that cannot be ignored
Encounter.Slices for identifier	S This element must be supported. Σ This element is included in summaries.	1..*	CorrelationIdentifier	Identifier(s) by which this encounter is known Slice: Unordered, Open by value:type Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
Encounter.Slices for identifier.identifier:GS1SRIN	S This element must be supported. Σ This element is included in summaries.	0..1	GS1SRIN	Identifier(s) by which this encounter is known
Encounter.status	?! This element is a modifier element. Σ This element is included in summaries.	1..1	code	planned | arrived | triaged | in-progress | onleave | finished | cancelled + Binding: EncounterStatus (required): Current state of the encounter.
Encounter.statusHistory		0..*	BackboneElement	List of past encounter statuses
Encounter.statusHistory.id		0..1	string	Unique id for inter-element referencing
Encounter.statusHistory.extension		0..*	Extension	Additional content defined by implementations
Encounter.statusHistory.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Encounter.statusHistory.status		1..1	code	planned | arrived | triaged | in-progress | onleave | finished | cancelled + Binding: EncounterStatus (required): Current state of the encounter.
Encounter.statusHistory.period		1..1	Period	The time that the episode was in the specified status
Encounter.class	Σ This element is included in summaries.	1..1	Coding	Classification of patient encounter Binding: ActEncounterCode (extensible): Classification of the encounter.
Encounter.classHistory		0..*	BackboneElement	List of past encounter classes
Encounter.classHistory.id		0..1	string	Unique id for inter-element referencing
Encounter.classHistory.extension		0..*	Extension	Additional content defined by implementations
Encounter.classHistory.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Encounter.classHistory.class		1..1	Coding	inpatient | outpatient | ambulatory | emergency + Binding: ActEncounterCode (extensible): Classification of the encounter.
Encounter.classHistory.period		1..1	Period	The time that the episode was in the specified class
Encounter.type	Σ This element is included in summaries.	0..1	CodeableConcept	Specific type of encounter Binding: EncounterType (example): The type of encounter.
Encounter.serviceType	S This element must be supported. Σ This element is included in summaries.	0..1	CodeableConcept	Specific type of service Binding: ServiceType (example): Broad categorization of the service that is to be provided.
Encounter.priority		0..1	CodeableConcept	Indicates the urgency of the encounter Binding: ActPriority (example): Indicates the urgency of the encounter.
Encounter.subject	S This element must be supported. Σ This element is included in summaries.	1..1	Reference(Patient)	The patient or group present at the encounter
Encounter.subject.id		0..1	string	Unique id for inter-element referencing
Encounter.subject.extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
Encounter.subject.reference	Σ This element is included in summaries. C	0..1	string	Literal reference, Relative, internal or absolute URL
Encounter.subject.type	Σ This element is included in summaries.	0..1	uri	Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
Encounter.subject.identifier	Σ This element is included in summaries.	0..1	NHSIdentifier	Logical reference, when literal reference is not known
Encounter.subject.display	Σ This element is included in summaries.	0..1	string	Text alternative for the resource
Encounter.episodeOfCare	Σ This element is included in summaries.	0..*	Reference(EpisodeOfCare)	Episode(s) of care that this encounter should be recorded against
Encounter.basedOn		0..*	Reference(ServiceRequest)	The ServiceRequest that initiated this encounter
Encounter.participant	Σ This element is included in summaries.	0..*	BackboneElement	List of participants involved in the encounter
Encounter.participant.id		0..1	string	Unique id for inter-element referencing
Encounter.participant.extension		0..*	Extension	Additional content defined by implementations
Encounter.participant.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Encounter.participant.type	Σ This element is included in summaries.	0..*	CodeableConcept	Role of participant in encounter Binding: ParticipantType (extensible): Role of participant in encounter.
Encounter.participant.period		0..1	Period	Period of time during the encounter that the participant participated
Encounter.participant.individual	Σ This element is included in summaries.	0..1	Reference(Practitioner | PractitionerRole | RelatedPerson)	Persons involved in the encounter other than the patient
Encounter.appointment	Σ This element is included in summaries.	0..*	Reference(Appointment)	The appointment that scheduled this encounter
Encounter.period		0..1	Period	The start and end time of the encounter
Encounter.length		0..1	Duration	Quantity of time the encounter lasted (less time absent)
Encounter.reasonCode	Σ This element is included in summaries.	0..*	CodeableConcept	Coded reason the encounter takes place Binding: EncounterReasonCodes (preferred): Reason why the encounter takes place.
Encounter.reasonReference	Σ This element is included in summaries.	0..*	Reference(Condition | Procedure | Observation | ImmunizationRecommendation)	Reason the encounter takes place (reference)
Encounter.diagnosis	Σ This element is included in summaries.	0..*	BackboneElement	The list of diagnosis relevant to this encounter
Encounter.diagnosis.id		0..1	string	Unique id for inter-element referencing
Encounter.diagnosis.extension		0..*	Extension	Additional content defined by implementations
Encounter.diagnosis.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Encounter.diagnosis.condition	Σ This element is included in summaries.	1..1	Reference(Condition | Procedure)	The diagnosis or procedure relevant to the encounter
Encounter.diagnosis.use		0..1	CodeableConcept	Role that this diagnosis has within the encounter (e.g. admission, billing, discharge …) Binding: DiagnosisRole (preferred): The type of diagnosis this condition represents.
Encounter.diagnosis.rank		0..1	positiveInt	Ranking of the diagnosis (for each role type)
Encounter.account		0..*	Reference(Account)	The set of accounts that may be used for billing for this Encounter
Encounter.hospitalization		0..1	BackboneElement	Details about the admission to a healthcare service
Encounter.hospitalization.id		0..1	string	Unique id for inter-element referencing
Encounter.hospitalization.extension		0..*	Extension	Additional content defined by implementations
Encounter.hospitalization.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Encounter.hospitalization.preAdmissionIdentifier		0..1	Identifier	Pre-admission identifier
Encounter.hospitalization.origin		0..1	Reference(Location | Organization)	The location/organization from which the patient came before admission
Encounter.hospitalization.admitSource		0..1	CodeableConcept	From where patient was admitted (physician referral, transfer) Binding: AdmitSource (preferred): From where the patient was admitted.
Encounter.hospitalization.reAdmission		0..1	CodeableConcept	The type of hospital re-admission that has occurred (if any). If the value is absent, then this is not identified as a readmission Binding: Hl7VSReAdmissionIndicator (3.0.0) (example): The reason for re-admission of this hospitalization encounter.
Encounter.hospitalization.dietPreference		0..*	CodeableConcept	Diet preferences reported by the patient Binding: Diet (example): Medical, cultural or ethical food preferences to help with catering requirements.
Encounter.hospitalization.specialCourtesy		0..*	CodeableConcept	Special courtesies (VIP, board member) Binding: SpecialCourtesy (preferred): Special courtesies.
Encounter.hospitalization.specialArrangement		0..*	CodeableConcept	Wheelchair, translator, stretcher, etc. Binding: SpecialArrangements (preferred): Special arrangements.
Encounter.hospitalization.destination		0..1	Reference(Location | Organization)	Location/organization to which the patient is discharged
Encounter.hospitalization.dischargeDisposition		0..1	CodeableConcept	Category or kind of location after discharge Binding: DischargeDisposition (example): Discharge Disposition.
Encounter.location		0..*	BackboneElement	List of locations where the patient has been
Encounter.location.id		0..1	string	Unique id for inter-element referencing
Encounter.location.extension		0..*	Extension	Additional content defined by implementations
Encounter.location.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Encounter.location.location		1..1	Reference(Location)	Location the encounter takes place
Encounter.location.status		0..1	code	planned | active | reserved | completed Binding: EncounterLocationStatus (required): The status of the location.
Encounter.location.physicalType		0..1	CodeableConcept	The physical type of the location (usually the level in the location hierachy - bed room ward etc.) Binding: LocationType (example): Physical form of the location.
Encounter.location.period		0..1	Period	Time period during which the patient was present at the location
Encounter.serviceProvider		0..1	Reference(Organization)	The organization (facility) responsible for this encounter
Encounter.serviceProvider.id		0..1	string	Unique id for inter-element referencing
Encounter.serviceProvider.extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
Encounter.serviceProvider.reference	Σ This element is included in summaries. C	0..1	string	Literal reference, Relative, internal or absolute URL
Encounter.serviceProvider.type	Σ This element is included in summaries.	0..1	uri	Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
Encounter.serviceProvider.identifier	Σ This element is included in summaries.	0..1	OrganisationCode	Logical reference, when literal reference is not known
Encounter.serviceProvider.display	Σ This element is included in summaries.	0..1	string	Text alternative for the resource
Encounter.partOf		0..1	Reference(Encounter)	Another Encounter this encounter is part of
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
Encounter.language	Base	preferred	Common Languages	📍4.0.1	FHIR Std.
Encounter.status	Base	required	EncounterStatus	📍4.0.1	FHIR Std.
Encounter.statusHistory.​status	Base	required	EncounterStatus	📍4.0.1	FHIR Std.
Encounter.class	Base	extensible	ActEncounterCode	📦3.0.0	THO v7.5
Encounter.classHistory.​class	Base	extensible	ActEncounterCode	📦3.0.0	THO v7.5
Encounter.type	Base	example	Encounter type	📍4.0.1	FHIR Std.
Encounter.serviceType	Base	example	Service type	📍4.0.1	FHIR Std.
Encounter.priority	Base	example	ActPriority	📦3.0.0	THO v7.5
Encounter.subject.type	Base	extensible	ResourceType	📍4.0.1	FHIR Std.
Encounter.participant.​type	Base	extensible	Participant type	📍4.0.1	FHIR Std.
Encounter.reasonCode	Base	preferred	Encounter Reason Codes	📍4.0.1	FHIR Std.
Encounter.diagnosis.​use	Base	preferred	DiagnosisRole	📍4.0.1	FHIR Std.
Encounter.hospitalization.​admitSource	Base	preferred	Admit source	📍4.0.1	FHIR Std.
Encounter.hospitalization.​reAdmission	Base	example	hl7VS-re-admissionIndicator	📍3.0.0	THO v7.5
Encounter.hospitalization.​dietPreference	Base	example	Diet	📍4.0.1	FHIR Std.
Encounter.hospitalization.​specialCourtesy	Base	preferred	Special courtesy	📍4.0.1	FHIR Std.
Encounter.hospitalization.​specialArrangement	Base	preferred	Special arrangements	📍4.0.1	FHIR Std.
Encounter.hospitalization.​dischargeDisposition	Base	example	Discharge disposition	📍4.0.1	FHIR Std.
Encounter.location.status	Base	required	EncounterLocationStatus	📍4.0.1	FHIR Std.
Encounter.location.physicalType	Base	example	Location type	📍4.0.1	FHIR Std.
Encounter.serviceProvider.​type	Base	extensible	ResourceType	📍4.0.1	FHIR Std.

Constraints

Id

Grade

Path(s)

Description

Expression

Key Elements View

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Encounter		0..*	Encounter	An interaction during which services are provided to the patient
Encounter.implicitRules	?! This element is a modifier element. Σ This element is included in summaries.	0..1	uri	A set of rules under which this content was created
Encounter.modifierExtension	?! This element is a modifier element.	0..*	Extension	Extensions that cannot be ignored
Encounter.Slices for identifier	S This element must be supported. Σ This element is included in summaries.	1..*	CorrelationIdentifier	Identifier(s) by which this encounter is known Slice: Unordered, Open by value:type Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
Encounter.Slices for identifier.identifier:GS1SRIN	S This element must be supported. Σ This element is included in summaries.	0..1	GS1SRIN	Identifier(s) by which this encounter is known
Encounter.status	?! This element is a modifier element. Σ This element is included in summaries.	1..1	code	planned | arrived | triaged | in-progress | onleave | finished | cancelled + Binding: EncounterStatus (required): Current state of the encounter.
Encounter.class	Σ This element is included in summaries.	1..1	Coding	Classification of patient encounter Binding: ActEncounterCode (extensible): Classification of the encounter.
Encounter.type	Σ This element is included in summaries.	0..1	CodeableConcept	Specific type of encounter Binding: EncounterType (example): The type of encounter.
Encounter.serviceType	S This element must be supported. Σ This element is included in summaries.	0..1	CodeableConcept	Specific type of service Binding: ServiceType (example): Broad categorization of the service that is to be provided.
Encounter.subject	S This element must be supported. Σ This element is included in summaries.	1..1	Reference(Patient)	The patient or group present at the encounter
Encounter.subject.identifier	Σ This element is included in summaries.	0..1	NHSIdentifier	Logical reference, when literal reference is not known
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
Encounter.status	Base	required	EncounterStatus	📍4.0.1	FHIR Std.
Encounter.class	Base	extensible	ActEncounterCode	📦3.0.0	THO v7.5
Encounter.type	Base	example	Encounter type	📍4.0.1	FHIR Std.
Encounter.serviceType	Base	example	Service type	📍4.0.1	FHIR Std.

Constraints

Id

Grade

Path(s)

Description

Expression

Differential View

This structure is derived from Encounter

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Encounter			Encounter
Encounter.Slices for identifier	S This element must be supported.	1..*	CorrelationIdentifier	Identifier(s) by which this encounter is known Slice: Unordered, Open by value:type Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
Encounter.Slices for identifier.identifier:GS1SRIN	S This element must be supported.	0..1	GS1SRIN	Identifier(s) by which this encounter is known
Encounter.type		0..1	CodeableConcept	Specific type of encounter
Encounter.serviceType	S This element must be supported.	0..1	CodeableConcept	Specific type of service
Encounter.subject	S This element must be supported.	1..1	Reference(Patient)	The patient or group present at the encounter
Encounter.subject.identifier		0..1	NHSIdentifier	Logical reference, when literal reference is not known
Encounter.serviceProvider
Encounter.serviceProvider.identifier		0..1	OrganisationCode	Logical reference, when literal reference is not known
Documentation for this format

Snapshot ViewView

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Encounter		0..*	Encounter	An interaction during which services are provided to the patient
Encounter.id	Σ This element is included in summaries.	0..1	id	Logical id of this artifact
Encounter.meta	Σ This element is included in summaries.	0..1	Meta	Metadata about the resource
Encounter.implicitRules	?! This element is a modifier element. Σ This element is included in summaries.	0..1	uri	A set of rules under which this content was created
Encounter.language		0..1	code	Language of the resource content Binding: CommonLanguages (preferred): A human language. Additional Bindings Purpose AllLanguages Max Binding
Encounter.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
Encounter.contained		0..*	Resource	Contained, inline Resources
Encounter.extension		0..*	Extension	Additional content defined by implementations
Encounter.modifierExtension	?! This element is a modifier element.	0..*	Extension	Extensions that cannot be ignored
Encounter.Slices for identifier	S This element must be supported. Σ This element is included in summaries.	1..*	CorrelationIdentifier	Identifier(s) by which this encounter is known Slice: Unordered, Open by value:type Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
Encounter.Slices for identifier.identifier:GS1SRIN	S This element must be supported. Σ This element is included in summaries.	0..1	GS1SRIN	Identifier(s) by which this encounter is known
Encounter.status	?! This element is a modifier element. Σ This element is included in summaries.	1..1	code	planned | arrived | triaged | in-progress | onleave | finished | cancelled + Binding: EncounterStatus (required): Current state of the encounter.
Encounter.statusHistory		0..*	BackboneElement	List of past encounter statuses
Encounter.statusHistory.id		0..1	string	Unique id for inter-element referencing
Encounter.statusHistory.extension		0..*	Extension	Additional content defined by implementations
Encounter.statusHistory.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Encounter.statusHistory.status		1..1	code	planned | arrived | triaged | in-progress | onleave | finished | cancelled + Binding: EncounterStatus (required): Current state of the encounter.
Encounter.statusHistory.period		1..1	Period	The time that the episode was in the specified status
Encounter.class	Σ This element is included in summaries.	1..1	Coding	Classification of patient encounter Binding: ActEncounterCode (extensible): Classification of the encounter.
Encounter.classHistory		0..*	BackboneElement	List of past encounter classes
Encounter.classHistory.id		0..1	string	Unique id for inter-element referencing
Encounter.classHistory.extension		0..*	Extension	Additional content defined by implementations
Encounter.classHistory.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Encounter.classHistory.class		1..1	Coding	inpatient | outpatient | ambulatory | emergency + Binding: ActEncounterCode (extensible): Classification of the encounter.
Encounter.classHistory.period		1..1	Period	The time that the episode was in the specified class
Encounter.type	Σ This element is included in summaries.	0..1	CodeableConcept	Specific type of encounter Binding: EncounterType (example): The type of encounter.
Encounter.serviceType	S This element must be supported. Σ This element is included in summaries.	0..1	CodeableConcept	Specific type of service Binding: ServiceType (example): Broad categorization of the service that is to be provided.
Encounter.priority		0..1	CodeableConcept	Indicates the urgency of the encounter Binding: ActPriority (example): Indicates the urgency of the encounter.
Encounter.subject	S This element must be supported. Σ This element is included in summaries.	1..1	Reference(Patient)	The patient or group present at the encounter
Encounter.subject.id		0..1	string	Unique id for inter-element referencing
Encounter.subject.extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
Encounter.subject.reference	Σ This element is included in summaries. C	0..1	string	Literal reference, Relative, internal or absolute URL
Encounter.subject.type	Σ This element is included in summaries.	0..1	uri	Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
Encounter.subject.identifier	Σ This element is included in summaries.	0..1	NHSIdentifier	Logical reference, when literal reference is not known
Encounter.subject.display	Σ This element is included in summaries.	0..1	string	Text alternative for the resource
Encounter.episodeOfCare	Σ This element is included in summaries.	0..*	Reference(EpisodeOfCare)	Episode(s) of care that this encounter should be recorded against
Encounter.basedOn		0..*	Reference(ServiceRequest)	The ServiceRequest that initiated this encounter
Encounter.participant	Σ This element is included in summaries.	0..*	BackboneElement	List of participants involved in the encounter
Encounter.participant.id		0..1	string	Unique id for inter-element referencing
Encounter.participant.extension		0..*	Extension	Additional content defined by implementations
Encounter.participant.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Encounter.participant.type	Σ This element is included in summaries.	0..*	CodeableConcept	Role of participant in encounter Binding: ParticipantType (extensible): Role of participant in encounter.
Encounter.participant.period		0..1	Period	Period of time during the encounter that the participant participated
Encounter.participant.individual	Σ This element is included in summaries.	0..1	Reference(Practitioner | PractitionerRole | RelatedPerson)	Persons involved in the encounter other than the patient
Encounter.appointment	Σ This element is included in summaries.	0..*	Reference(Appointment)	The appointment that scheduled this encounter
Encounter.period		0..1	Period	The start and end time of the encounter
Encounter.length		0..1	Duration	Quantity of time the encounter lasted (less time absent)
Encounter.reasonCode	Σ This element is included in summaries.	0..*	CodeableConcept	Coded reason the encounter takes place Binding: EncounterReasonCodes (preferred): Reason why the encounter takes place.
Encounter.reasonReference	Σ This element is included in summaries.	0..*	Reference(Condition | Procedure | Observation | ImmunizationRecommendation)	Reason the encounter takes place (reference)
Encounter.diagnosis	Σ This element is included in summaries.	0..*	BackboneElement	The list of diagnosis relevant to this encounter
Encounter.diagnosis.id		0..1	string	Unique id for inter-element referencing
Encounter.diagnosis.extension		0..*	Extension	Additional content defined by implementations
Encounter.diagnosis.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Encounter.diagnosis.condition	Σ This element is included in summaries.	1..1	Reference(Condition | Procedure)	The diagnosis or procedure relevant to the encounter
Encounter.diagnosis.use		0..1	CodeableConcept	Role that this diagnosis has within the encounter (e.g. admission, billing, discharge …) Binding: DiagnosisRole (preferred): The type of diagnosis this condition represents.
Encounter.diagnosis.rank		0..1	positiveInt	Ranking of the diagnosis (for each role type)
Encounter.account		0..*	Reference(Account)	The set of accounts that may be used for billing for this Encounter
Encounter.hospitalization		0..1	BackboneElement	Details about the admission to a healthcare service
Encounter.hospitalization.id		0..1	string	Unique id for inter-element referencing
Encounter.hospitalization.extension		0..*	Extension	Additional content defined by implementations
Encounter.hospitalization.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Encounter.hospitalization.preAdmissionIdentifier		0..1	Identifier	Pre-admission identifier
Encounter.hospitalization.origin		0..1	Reference(Location | Organization)	The location/organization from which the patient came before admission
Encounter.hospitalization.admitSource		0..1	CodeableConcept	From where patient was admitted (physician referral, transfer) Binding: AdmitSource (preferred): From where the patient was admitted.
Encounter.hospitalization.reAdmission		0..1	CodeableConcept	The type of hospital re-admission that has occurred (if any). If the value is absent, then this is not identified as a readmission Binding: Hl7VSReAdmissionIndicator (3.0.0) (example): The reason for re-admission of this hospitalization encounter.
Encounter.hospitalization.dietPreference		0..*	CodeableConcept	Diet preferences reported by the patient Binding: Diet (example): Medical, cultural or ethical food preferences to help with catering requirements.
Encounter.hospitalization.specialCourtesy		0..*	CodeableConcept	Special courtesies (VIP, board member) Binding: SpecialCourtesy (preferred): Special courtesies.
Encounter.hospitalization.specialArrangement		0..*	CodeableConcept	Wheelchair, translator, stretcher, etc. Binding: SpecialArrangements (preferred): Special arrangements.
Encounter.hospitalization.destination		0..1	Reference(Location | Organization)	Location/organization to which the patient is discharged
Encounter.hospitalization.dischargeDisposition		0..1	CodeableConcept	Category or kind of location after discharge Binding: DischargeDisposition (example): Discharge Disposition.
Encounter.location		0..*	BackboneElement	List of locations where the patient has been
Encounter.location.id		0..1	string	Unique id for inter-element referencing
Encounter.location.extension		0..*	Extension	Additional content defined by implementations
Encounter.location.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Encounter.location.location		1..1	Reference(Location)	Location the encounter takes place
Encounter.location.status		0..1	code	planned | active | reserved | completed Binding: EncounterLocationStatus (required): The status of the location.
Encounter.location.physicalType		0..1	CodeableConcept	The physical type of the location (usually the level in the location hierachy - bed room ward etc.) Binding: LocationType (example): Physical form of the location.
Encounter.location.period		0..1	Period	Time period during which the patient was present at the location
Encounter.serviceProvider		0..1	Reference(Organization)	The organization (facility) responsible for this encounter
Encounter.serviceProvider.id		0..1	string	Unique id for inter-element referencing
Encounter.serviceProvider.extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
Encounter.serviceProvider.reference	Σ This element is included in summaries. C	0..1	string	Literal reference, Relative, internal or absolute URL
Encounter.serviceProvider.type	Σ This element is included in summaries.	0..1	uri	Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
Encounter.serviceProvider.identifier	Σ This element is included in summaries.	0..1	OrganisationCode	Logical reference, when literal reference is not known
Encounter.serviceProvider.display	Σ This element is included in summaries.	0..1	string	Text alternative for the resource
Encounter.partOf		0..1	Reference(Encounter)	Another Encounter this encounter is part of
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
Encounter.language	Base	preferred	Common Languages	📍4.0.1	FHIR Std.
Encounter.status	Base	required	EncounterStatus	📍4.0.1	FHIR Std.
Encounter.statusHistory.​status	Base	required	EncounterStatus	📍4.0.1	FHIR Std.
Encounter.class	Base	extensible	ActEncounterCode	📦3.0.0	THO v7.5
Encounter.classHistory.​class	Base	extensible	ActEncounterCode	📦3.0.0	THO v7.5
Encounter.type	Base	example	Encounter type	📍4.0.1	FHIR Std.
Encounter.serviceType	Base	example	Service type	📍4.0.1	FHIR Std.
Encounter.priority	Base	example	ActPriority	📦3.0.0	THO v7.5
Encounter.subject.type	Base	extensible	ResourceType	📍4.0.1	FHIR Std.
Encounter.participant.​type	Base	extensible	Participant type	📍4.0.1	FHIR Std.
Encounter.reasonCode	Base	preferred	Encounter Reason Codes	📍4.0.1	FHIR Std.
Encounter.diagnosis.​use	Base	preferred	DiagnosisRole	📍4.0.1	FHIR Std.
Encounter.hospitalization.​admitSource	Base	preferred	Admit source	📍4.0.1	FHIR Std.
Encounter.hospitalization.​reAdmission	Base	example	hl7VS-re-admissionIndicator	📍3.0.0	THO v7.5
Encounter.hospitalization.​dietPreference	Base	example	Diet	📍4.0.1	FHIR Std.
Encounter.hospitalization.​specialCourtesy	Base	preferred	Special courtesy	📍4.0.1	FHIR Std.
Encounter.hospitalization.​specialArrangement	Base	preferred	Special arrangements	📍4.0.1	FHIR Std.
Encounter.hospitalization.​dischargeDisposition	Base	example	Discharge disposition	📍4.0.1	FHIR Std.
Encounter.location.status	Base	required	EncounterLocationStatus	📍4.0.1	FHIR Std.
Encounter.location.physicalType	Base	example	Location type	📍4.0.1	FHIR Std.
Encounter.serviceProvider.​type	Base	extensible	ResourceType	📍4.0.1	FHIR Std.

Constraints

Id

Grade

Path(s)

Description

Expression

This structure is derived from Encounter

Summary

Mandatory: 2 elements
Must-Support: 4 elements

Structures

This structure refers to these other structures:

• Correlation Identifier (https://fhir.nwgenomics.nhs.uk/StructureDefinition/CorrelationIdentifier)
• GS1 Service Relation Instance Number (SRIN) (https://fhir.nwgenomics.nhs.uk/StructureDefinition/GS1SRIN)
• Patient (https://fhir.nwgenomics.nhs.uk/StructureDefinition/Patient)
• NHS Identifier (https://fhir.nwgenomics.nhs.uk/StructureDefinition/NHSIdentifier)
• Organisation Code (https://fhir.nwgenomics.nhs.uk/StructureDefinition/OrganisationCode)

Slices

This structure defines the following Slices:

• The element 1 is sliced based on the value of Encounter.identifier