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Data Type Profile: uid: Unique Identifier String

A unique identifier string is a character string which identifies an object in a globally unique and timeless manner. The allowable formats and values and procedures of this data type are strictly controlled by HL7. At this time, user-assigned identifiers may be certain character representations of ISO Object Identifiers (OID) and DCE Universally Unique Identifiers (UUID). HL7 also reserves the right to assign other forms of UIDs (RUID), such as mnemonic identifiers for code systems.

Usage:

• This PrimitiveType Constraint is not used by any profiles in this Implementation Guide

Formal Views of Profile Content

Description of Profiles, Differentials, Snapshots and how the different presentations work.

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

This structure is derived from string

Name	Flags	Card.	Type	Description & Constraints
string	C	0..*	string	Primitive Type string uid-pattern: Must conform to OID (#.#.#), UUID (32 hexadecimal digits separated by hyphens), or RUID (a letter followed by any combination of letters, numbers or hyphens)
id		0..0
extension		0..0
Documentation for this format

Constraints

Id	Grade	Path(s)	Details	Requirements
uid-pattern	error	string	Must conform to OID (#.#.#), UUID (32 hexadecimal digits separated by hyphens), or RUID (a letter followed by any combination of letters, numbers or hyphens) : matches('^([0-2](\\.(0|[1-9][0-9]*))+)|([0-9A-Za-z]{8}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{12})|([A-Za-z][A-Za-z0-9\\-]*)$')

Name	Flags	Card.	Type	Description & Constraints
string	C	0..*	string	Primitive Type string uid-pattern: Must conform to OID (#.#.#), UUID (32 hexadecimal digits separated by hyphens), or RUID (a letter followed by any combination of letters, numbers or hyphens)
Documentation for this format

Constraints

Id	Grade	Path(s)	Details	Requirements
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
uid-pattern	error	string	Must conform to OID (#.#.#), UUID (32 hexadecimal digits separated by hyphens), or RUID (a letter followed by any combination of letters, numbers or hyphens) : matches('^([0-2](\\.(0|[1-9][0-9]*))+)|([0-9A-Za-z]{8}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{12})|([A-Za-z][A-Za-z0-9\\-]*)$')

Name	Flags	Card.	Type	Description & Constraints
string	C	0..*	string	Primitive Type string uid-pattern: Must conform to OID (#.#.#), UUID (32 hexadecimal digits separated by hyphens), or RUID (a letter followed by any combination of letters, numbers or hyphens)
value		0..1	string	Primitive value for string Max Length: 1048576
Documentation for this format

Constraints

Id	Grade	Path(s)	Details	Requirements
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
uid-pattern	error	string	Must conform to OID (#.#.#), UUID (32 hexadecimal digits separated by hyphens), or RUID (a letter followed by any combination of letters, numbers or hyphens) : matches('^([0-2](\\.(0|[1-9][0-9]*))+)|([0-9A-Za-z]{8}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{12})|([A-Za-z][A-Za-z0-9\\-]*)$')

This structure is derived from string

Summary

Prohibited: 2 elements

Differential View

This structure is derived from string

Name	Flags	Card.	Type	Description & Constraints
string	C	0..*	string	Primitive Type string uid-pattern: Must conform to OID (#.#.#), UUID (32 hexadecimal digits separated by hyphens), or RUID (a letter followed by any combination of letters, numbers or hyphens)
id		0..0
extension		0..0
Documentation for this format

Constraints

Id	Grade	Path(s)	Details	Requirements
uid-pattern	error	string	Must conform to OID (#.#.#), UUID (32 hexadecimal digits separated by hyphens), or RUID (a letter followed by any combination of letters, numbers or hyphens) : matches('^([0-2](\\.(0|[1-9][0-9]*))+)|([0-9A-Za-z]{8}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{12})|([A-Za-z][A-Za-z0-9\\-]*)$')

Key Elements View

Name	Flags	Card.	Type	Description & Constraints
string	C	0..*	string	Primitive Type string uid-pattern: Must conform to OID (#.#.#), UUID (32 hexadecimal digits separated by hyphens), or RUID (a letter followed by any combination of letters, numbers or hyphens)
Documentation for this format

Constraints

Id	Grade	Path(s)	Details	Requirements
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
uid-pattern	error	string	Must conform to OID (#.#.#), UUID (32 hexadecimal digits separated by hyphens), or RUID (a letter followed by any combination of letters, numbers or hyphens) : matches('^([0-2](\\.(0|[1-9][0-9]*))+)|([0-9A-Za-z]{8}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{12})|([A-Za-z][A-Za-z0-9\\-]*)$')

Snapshot View

Name	Flags	Card.	Type	Description & Constraints
string	C	0..*	string	Primitive Type string uid-pattern: Must conform to OID (#.#.#), UUID (32 hexadecimal digits separated by hyphens), or RUID (a letter followed by any combination of letters, numbers or hyphens)
value		0..1	string	Primitive value for string Max Length: 1048576
Documentation for this format

Constraints

Id	Grade	Path(s)	Details	Requirements
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
uid-pattern	error	string	Must conform to OID (#.#.#), UUID (32 hexadecimal digits separated by hyphens), or RUID (a letter followed by any combination of letters, numbers or hyphens) : matches('^([0-2](\\.(0|[1-9][0-9]*))+)|([0-9A-Za-z]{8}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{12})|([A-Za-z][A-Za-z0-9\\-]*)$')

This structure is derived from string

Summary

Prohibited: 2 elements

Other representations of profile: CSV, Excel, Schematron