Schema documentation for

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Annotations

Diagrams

Facets

Properties

Used by

Included schema sif-datatype.xsd

Annotations

Version 20071130

Properties

attribute form default:	unqualified
element form default:	qualified
version:	1.0

Simple Type Uuid

Annotations

Universal Unique IDentifier (aka GUID). Complies with RFC 4122 and ISO/IEC 11578:1996

Diagram

Type

restriction of xs:token

Facets

length	36
pattern	[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}

Used by

Attribute

SifComponent/@uid

Simple Type Sctid

Annotations

A SNOMED CT Identifier.

Diagram

Type

restriction of xs:string

Facets

whiteSpace	collapse
minLength	6
maxLength	18
pattern	[0-9]{6,18}

Used by

Attributes

SifComponent/@id, SifRefInfo/@refComponentId

Simple Type UtcTime

Annotations

Data and time in ISO format yyyymmddhhnnss.

Diagram

Type

restriction of xs:string

Facets

minLength	14
maxLength	14
pattern	(19\|20)[0-9]{2}(02(0[1-9]\|[1-2][0-9])\|(04\|06\|09\|11)(0[1-9]\|[1-2][0-9]\|30)\|(01\|03\|05\|07\|08\|10\|12)(0[1-9]\|[1-2][0-9]\|3[0-1]))([0-1][0-9]\|2[0-3])([0-5][0-9]){2}

Used by

Attributes

SifComponent/@changeTime, SifComponent/@effectiveTime, SifComponent/@plannedTime, SifRefSetMember/@validFrom, SifRefSetMember/@validTo

Simple Type NamespaceId

Annotations

A SNOMED CT namespace identifier. This is the seven digit identified allocated to the organisaton responsible for managing a SNOMED CT extension namespace.

Diagram

Type

restriction of xs:string

Facets

minLength	7
maxLength	7
pattern	([0-9]{7})\|(SCTCORE)

Used by

Attribute

SifComponent/@targetNamespace

Simple Type SctReference

Annotations

A reference to another SNOMED CT component. In the general form this may either be a Uuid or an Sctid or both. In schemas that use this datatype it may be restricted to one of these forms.

Diagram

Type

union of(Sctid, Uuid, UuidSctid)

Used by

Attributes

ConceptConstraint/@id, SifRefInfo/@domainId, SifRefInfo/@originator, SifRefInfo/@realmId, SifRefSetMember/@childId, SifRefSetMember/@componentId, SifRefSetMember/@refSetId

Simple Type Term

Annotations

A Unicode text string proving a human-readable term, name or label associated with a SNOMED CT component.

Diagram

Type

restriction of xs:string

Facets

whiteSpace	preserve
minLength	1
maxLength	255

Used by

Attributes

ConceptConstraint/@displayName, SifRefInfo/@annotation, SifRefInfo/@name, SifRefSetMember/@annotation

Simple Type ShortTerm

Annotations

A short name or label.

Diagram

Type

restriction of xs:string

Facets

whiteSpace	preserve
minLength	1
maxLength	20

Used by

Attribute

SifRefInfo/@shortName

Simple Type CodeText

Annotations

A short text string representing a code from an arbitrary scheme or for a scheme identified by an associated OID.

Diagram

Type

restriction of xs:string

Facets

whiteSpace	preserve
minLength	1
maxLength	20

Used by

Attributes

SifRefSetMember/@childScope, SifRefSetMember/@scope, SifRefSetMember/@tagCode

Simple Type UuidSctid

Annotations

A combination of a Uuid and a Sctid. In most schema this is constrained (see SctReference) to require a particular type of identifier. However, this combined type is included to support any potential use cases where both identifiers are required. In these cases, the Uuid (which has a fixed length of 38 characters) precedes the variable length Sctid which begins at the 39th character.

Diagram

Type

restriction of xs:string

Facets

whiteSpace	preserve
minLength	36
maxLength	55
pattern	[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}( [0-9]{6,18})?

Simple Type Oid

Annotations

ISO Object Identifier. Used for identifiers that are based on the ISO OID scheme in which a sequence of integers separated by period define unique objects.

Diagram

Type

restriction of xs:token

Facets

maxLength	255
pattern	[1-9][0-9](\.[1-9][0-9])*

Simple Type LanguageOnly

Annotations

An enumerated type for values indicating the language of a component. Conforms to ISO638-1 but does not include a dialect sub-code. Examples 'en', 'es', 'de'

Diagram

Type

restriction of xs:string

Facets

minLength	2
maxLength	4
pattern	[a-z]{2,3}(-[A-Z0-9]{2,9})?

Simple Type Language

Annotations

An enumerated type for values indicating the language and dialect. Consists of two parts separated by a dash. a) A language code conforming to ISO639-1 b) An optional dialect (or country) sub-code, confirming to the ISO3166 country code (or IANA code for countries not listed in ISO3166). Examples: 'en-US', 'en-GB', 'de', 'es'.

Diagram

Type

restriction of xs:string

Facets

minLength	2
maxLength	12
pattern	[a-z]{2,3}(-[A-Z0-9]{2,9})?

Simple Type IdExternal

Annotations

An identifier drawn from an external scheme of identifiers specified by an associated OID.

Diagram

Type

restriction of xs:string

Properties

final:

restriction

Facets

maxLength	64
pattern	[A-Z0-9a-z.-:()]*

Simple Type UtcDate

Annotations

A date in the form yyyymmdd.

Diagram

Type

restriction of xs:string

Facets

pattern

(19|20)[0-9]{2}(02(0[1-9]|[1-2][0-9])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|(01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1]))

Simple Type SchemeVersion

Annotations

A scheme version number or identifier in the form applicable to that scheme.

Diagram

Type

restriction of xs:string

Facets

maxLength

Simple Type ExpressionText

Annotations	A textual expression that is evaluated to test or return a value in respect of one or more SNOMED CT components.
Diagram
Type	xs:string