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The

Gloss

t	Reference set descriptor reference set

is a

Gloss

t	Component

-

Gloss

t	Component

- Integer

Gloss

t	reference set

that specifies the structure of reference sets. Its structure is shown in the following table.

Field

Data type

Purpose

id

Specref

RefType

(field)


t	id

UUID

Specref

RefType

(data type)
t	UUID

A 128 bit unsigned Integer

Specref

RefType	(data type)
t	Integer

, uniquely identifying this

Gloss

t	reference set member

.

Different versions of a reference set member share the same id

Specref

RefType	(field)
t	id

but have different effectiveTime

Specref

RefType	(field)
t	effectiveTime

. This allows a reference set member to be modified or made active

Specref

RefType	(field)
t	active

(i.e. removed from the active set) at a specified time.

Specref

RefType

effectiveTime

(field)


t	effectiveTime

Time

Specref

RefType

(data type)
t	Time

The inclusive date or time at which this version of the identified

Gloss

t	reference set member

became the current version.

The current version of this

Gloss

t	reference set member

at time T is the version with the most recent effectiveTime

Specref

RefType	(field)
t	effectiveTime

prior to or equal to time T .

Specref

RefType

active

(field)


t	active

Boolean

Specref

RefType

(data type)
t	Boolean

The state of the identified

Gloss

t	reference set member

as at the specified effectiveTime

Specref

RefType	(field)
t	effectiveTime

.

If active

Specref

RefType	(field)
t	active

= 1 (true) the

Gloss

t	reference set member

is part of the current version of the set, if active

Specref

RefType	(field)
t	active

= 0 (false) the

Gloss

t	reference set member

is not part of the current version of the set.

Specref

RefType

moduleId

(field)


t	moduleId

SCTID

Specref

RefType

(data type)
t	SCTID

Identifies the

Gloss

t	SNOMED CT module

that contains this

Gloss

t	reference set member

as at the specified effectiveTime

Specref

RefType	(field)
t	effectiveTime

.

The value must be a

Gloss

t	subtype

of

Concept

t	900000000000443000\|Module (core metadata concept)\|

within the metadata

Gloss

t	hierarchy

.

Specref

RefType

refsetId

(field)


t	refsetId

SCTID

Specref

RefType

(data type)
t	SCTID

Identifies the

Gloss

t	reference set

to which this

Gloss

t	reference set member

belongs.

In this case, set to

Concept

t	900000000000456007\|Reference set descriptor\|

Specref

RefType

referencedComponentId

(field)


t	referencedComponentId

SCTID

Specref

RefType

(data type)
t	SCTID

Identifies the

Gloss

t	reference set

(or type of

Gloss

t	reference set

) that is specified by this descriptor.

Set to a

Gloss

t	descendant

of

Concept

t	900000000000455006\|reference set (foundation metadata concept)\|

in the metadata

Gloss

t	hierarchy

.

Specref

RefType

attributeDescription

(field)


t	attributeDescription

SCTID

Specref

RefType

(data type)
t	SCTID

Specifies the name of an attribute that is used in the

Gloss

t	reference set

to which this descriptor applies.

Set to a

Gloss

t	descendant

of

Concept

t	900000000000457003\|Reference set attribute (foundation metadata concept)\|

in the metadata

Gloss

t	hierarchy

, that describes the additional attribute extending the

Gloss

t	reference set

.

Specref

RefType

attributeType

(field)


t	attributeType

SCTID

Specref

RefType

(data type)
t	SCTID

Specifies the data type of this attribute in the

Gloss

t	reference set

to which this descriptor applies.

Set to a

Gloss

t	descendant

of

Concept

t	900000000000459000\|attribute type (foundation metadata concept)\|

in the metadata

Gloss

t	hierarchy

, that describes the type of the additional attribute extending the

Gloss

t	reference set

.

Specref

RefType

attributeOrder

(field)
t	attributeOrder

Integer

Specifies the position of this attribute in the

Gloss

t	reference set

to which this descriptor applies. A zero value identifies the referencedComponentId

Specref

RefType	(field)
t	referencedComponentId

within the

Gloss

t	reference set

. Other values specify an additional attributes by its position relative to the referencedComponentId

Specref

RefType	(field)
t	referencedComponentId

. Within a particular descriptor, attributeOrder

Specref

RefType	(field)
t	attributeOrder

values for a particular referencedComponentId

Specref

RefType	(field)
t	referencedComponentId

must be contiguous.

An unsigned Integer

Specref

RefType	(data type)
t	Integer

, providing an ordering for the additional attributes extending the

Gloss

t	reference set

.

At least one row must exist for each

Gloss

t	reference set

included in a release. This row must have an attributeOrder

Specref

RefType	(field)
t	attributeOrder

value of '0' and an attributeType

Specref

RefType	(field)
t	attributeType

of '

Gloss

t	component

type' (or one of its

Gloss

t	descendants

). The referencedComponentId

Specref

RefType	(field)
t	referencedComponentId

identifies the

Gloss

t	reference set

defined by the descriptor.

...

Note: The table above omits the initial four columns of data present in the release file. These follow the standards versioning pattern id

Specref

RefType	(field)

, effectiveTime


t	id

,

Specref

RefType	(field)

, active


t	effectiveTime

,

Specref

RefType	(field)

, active


t	active

,

Specref

RefType	(field)
t	active

. Additionally, to aid understanding, the table above also includes the

Gloss

t	term

from one of the

Gloss

t	descriptions

associated with each of the identified

Gloss

t	concept

. The release file only contains the

Gloss

t	identifier

.

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