Mapping

• HL7 FHIR Patient.identifier (type = NH)
• HL7 v2 Patient Identifier List (PID-3)
• IHE XDS sourcePatientId and patientId

Format: NNNNNNNNNN, values include a checksum, details can be found in NHS NUMBER

• Testing number range: 999 000 0000 to 999 999 9999

NHS Number (England and Wales)

• England, Wales and the Isle of Man value ranges: 400 000 0000 to 499 999 9999, and 600 000 0000 to 799 999 9999.

CHI Number (Scotland)

• Scotland ranges: 010 100 0000 to 311 299 9999.

Health and Care Number (Northern Ireland)

• Northern Ireland ranges: 320 000 0000 to 399 999 9999.

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

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Identifier		0..*	Identifier	An identifier intended for computation
use	?!Σ	0..1	code	usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
type	Σ	0..1	CodeableConcept	Description of identifier Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose. Fixed Value: As shown (National Health Plan Identifier)
id		0..0	string	Unique id for inter-element referencing
extension		0..0	Extension	Additional content defined by implementations
coding		1..1	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..0	string	Unique id for inter-element referencing
extension		0..0	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://terminology.hl7.org/CodeSystem/v2-0203
version		0..0	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: NH
display		0..0	string	Representation defined by the system
userSelected		0..0	boolean	If this coding was chosen directly by the user
text		0..0	string	Plain text representation of the concept
system	Σ	1..1	uri	The namespace for the identifier value Binding: UK National Health Identifiers (required) Example General: http://www.acme.com/identifiers/patient
value	Σ	1..1	string	The value that is unique Example General: 123456
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
Identifier.use	Base	required	IdentifierUse	📍4.0.1	FHIR Std.
Identifier.type	Base	extensible	IdentifierType	📍4.0.1	FHIR Std.
Identifier.system	Base	required	UK National Health Identifiers	📦0.1.0	This IG

Constraints

Id	Grade	Path(s)	Description	Expression
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children	hasValue() or (children().count() > id.count())

This structure is derived from Identifier

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Identifier			Identifier
type		0..1	CodeableConcept	Description of identifier Fixed Value: As shown (National Health Plan Identifier)
coding		1..1	Coding	Code defined by a terminology system Fixed Value: (Complex)
system		1..1	uri	Identity of the terminology system Fixed Value: http://terminology.hl7.org/CodeSystem/v2-0203
code		1..1	code	Symbol in syntax defined by the system Fixed Value: NH
system		1..1	uri	The namespace for the identifier value Binding: UK National Health Identifiers (required)
value		1..1	string	The value that is unique
Documentation for this format

Terminology Bindings (Differential)

Path	Status	Usage	ValueSet	Version	Source
Identifier.system	Base	required	UK National Health Identifiers	📦0.1.0	This IG

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Identifier		0..*	Identifier	An identifier intended for computation
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
use	?!Σ	0..1	code	usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
type	Σ	0..1	CodeableConcept	Description of identifier Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose. Fixed Value: As shown (National Health Plan Identifier)
id		0..0	string	Unique id for inter-element referencing
extension		0..0	Extension	Additional content defined by implementations
coding		1..1	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..0	string	Unique id for inter-element referencing
extension		0..0	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://terminology.hl7.org/CodeSystem/v2-0203
version		0..0	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: NH
display		0..0	string	Representation defined by the system
userSelected		0..0	boolean	If this coding was chosen directly by the user
text		0..0	string	Plain text representation of the concept
system	Σ	1..1	uri	The namespace for the identifier value Binding: UK National Health Identifiers (required) Example General: http://www.acme.com/identifiers/patient
value	Σ	1..1	string	The value that is unique Example General: 123456
period	Σ	0..1	Period	Time period when id is/was valid for use
assigner	Σ	0..1	Reference(Organization)	Organization that issued id (may be just text)
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
Identifier.use	Base	required	IdentifierUse	📍4.0.1	FHIR Std.
Identifier.type	Base	extensible	IdentifierType	📍4.0.1	FHIR Std.
Identifier.system	Base	required	UK National Health Identifiers	📦0.1.0	This IG

Constraints

Id	Grade	Path(s)	Description	Expression
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()

Key Elements View

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Identifier		0..*	Identifier	An identifier intended for computation
use	?!Σ	0..1	code	usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
type	Σ	0..1	CodeableConcept	Description of identifier Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose. Fixed Value: As shown (National Health Plan Identifier)
id		0..0	string	Unique id for inter-element referencing
extension		0..0	Extension	Additional content defined by implementations
coding		1..1	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..0	string	Unique id for inter-element referencing
extension		0..0	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://terminology.hl7.org/CodeSystem/v2-0203
version		0..0	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: NH
display		0..0	string	Representation defined by the system
userSelected		0..0	boolean	If this coding was chosen directly by the user
text		0..0	string	Plain text representation of the concept
system	Σ	1..1	uri	The namespace for the identifier value Binding: UK National Health Identifiers (required) Example General: http://www.acme.com/identifiers/patient
value	Σ	1..1	string	The value that is unique Example General: 123456
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
Identifier.use	Base	required	IdentifierUse	📍4.0.1	FHIR Std.
Identifier.type	Base	extensible	IdentifierType	📍4.0.1	FHIR Std.
Identifier.system	Base	required	UK National Health Identifiers	📦0.1.0	This IG

Constraints

Id	Grade	Path(s)	Description	Expression
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children	hasValue() or (children().count() > id.count())

Differential View

This structure is derived from Identifier

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Identifier			Identifier
type		0..1	CodeableConcept	Description of identifier Fixed Value: As shown (National Health Plan Identifier)
coding		1..1	Coding	Code defined by a terminology system Fixed Value: (Complex)
system		1..1	uri	Identity of the terminology system Fixed Value: http://terminology.hl7.org/CodeSystem/v2-0203
code		1..1	code	Symbol in syntax defined by the system Fixed Value: NH
system		1..1	uri	The namespace for the identifier value Binding: UK National Health Identifiers (required)
value		1..1	string	The value that is unique
Documentation for this format

Terminology Bindings (Differential)

Path	Status	Usage	ValueSet	Version	Source
Identifier.system	Base	required	UK National Health Identifiers	📦0.1.0	This IG

Snapshot View

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Identifier		0..*	Identifier	An identifier intended for computation
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
use	?!Σ	0..1	code	usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
type	Σ	0..1	CodeableConcept	Description of identifier Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose. Fixed Value: As shown (National Health Plan Identifier)
id		0..0	string	Unique id for inter-element referencing
extension		0..0	Extension	Additional content defined by implementations
coding		1..1	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..0	string	Unique id for inter-element referencing
extension		0..0	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://terminology.hl7.org/CodeSystem/v2-0203
version		0..0	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: NH
display		0..0	string	Representation defined by the system
userSelected		0..0	boolean	If this coding was chosen directly by the user
text		0..0	string	Plain text representation of the concept
system	Σ	1..1	uri	The namespace for the identifier value Binding: UK National Health Identifiers (required) Example General: http://www.acme.com/identifiers/patient
value	Σ	1..1	string	The value that is unique Example General: 123456
period	Σ	0..1	Period	Time period when id is/was valid for use
assigner	Σ	0..1	Reference(Organization)	Organization that issued id (may be just text)
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
Identifier.use	Base	required	IdentifierUse	📍4.0.1	FHIR Std.
Identifier.type	Base	extensible	IdentifierType	📍4.0.1	FHIR Std.
Identifier.system	Base	required	UK National Health Identifiers	📦0.1.0	This IG

Constraints

Id	Grade	Path(s)	Description	Expression
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 Identifier

Summary

Mandatory: 2 elements
Fixed: 1 element