Purpose

The

Concept

t	900000000000538005\|Description format reference set\|
ShowFormat	inline

specifies the text format and maximum length of each supported

Gloss

t	description type

. This permits additional

Gloss

Space	true
t	description types

to be specified in future in addition to the three existing

Gloss

t	description types

(

Gloss

t	synonym

,

Gloss

Space	true
t	fully specified name

and

Gloss

t	textual definition

).

...

Data structure

The

Concept

t	900000000000538005\|Description format reference set\|
ShowFormat	inline

is a C-I (

Gloss

t	component

-

Specref

RefType	(data type)
t	Integer

)

Gloss

Space	true
t	reference set

which is used to specify the length and format of the

Gloss

Space	true
t	terms

in

Gloss

Space	true
t	descriptions

of this

Gloss

t	description type

. Its structure is shown in the following table.

specrefRefTypet set to of

Field

Data type

Purpose

Gloss

t	Mutable

LinkType

(field)

subtle

Part of Primary Key

id

Specref

RefType	(data type)
t	UUID

A 128 bit unsigned

Specref

RefType	(data type)
t	Integer

, uniquely identifying this

Gloss

t	reference set member

.

Different versions of a reference set member share the same

Specref

RefType	(field)
t	id

but have different

Specref

RefType	(field)
t	effectiveTime

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

Specref

RefType	(field)
t	active

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

NO

YES (Full/ Snapshot)

Specref

RefType	(field)
t	effectiveTime

Specref

RefType	(data type)
t	Time

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

Gloss

Space	true
t	reference set member

became the current version.

The current version of this

Gloss

Space	true
t	reference set member

at time T is the version with the most recent

Specref

RefType	(field)
t	effectiveTime

prior to or equal to time T .

YES

YES (Full)

Optional (Snapshot)

Specref

RefType	(field)
t	active

Specref

RefType	(data type)
t	Boolean

The state of the identified

Gloss

Space	true
t	reference set member

as at the specified

Specref

RefType	(field)
t	effectiveTime

.

If

Specref

RefType	(field)
t	active

= 1 (true) the

Gloss

Space	true
t	reference set member

is part of the current version of the set, if

Specref

RefType	(field)
t	active

= 0 (false) the

Gloss

Space	true
t	reference set member

is not part of the current version of the set.

YES

NO

Specref

RefType	(field)
t	moduleId

Specref

RefType	(data type)
t	SCTID

Identifies the

Gloss

Space	true
t	SNOMED CT module

that contains this

Gloss

Space	true
t	reference set member

as at the specified

Specref

RefType	(field)
t	effectiveTime

.

The value must be a

Gloss

Space	true
t	subtype

of

Concept

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

within the metadata

Gloss

t	hierarchy

.

YES

NO

Specref

RefType	(field)
t	refsetId

Specref

RefType	(data type)
t	SCTID

Identifies the

Gloss

Space	true
t	reference set

to which this

Gloss

Space	true
t	reference set member

belongs.

In this case,

always

Concept

t	900000000000538005\|Description format reference set (foundation metadata concept)\|

as there is only one Description Format Reference Set.

NO

Specref

RefType	(field)
t	referencedComponentId

Specref

RefType	(data type)
t	SCTID

A reference to the

Gloss

t
Space	true

subtype

SNOMED CT component

to be included in

Concept

t	900000000000446008\|Description type (core metadata concept)\|
ShowFormat	inline

which specifies

the

Gloss

Space

t

true

reference set

t

.

description typeNONOto which this format applies.

Specref

RefType	(field)
t	descriptionFormat

Specref

RefType	(data type)
t	SCTID

A reference to a

Gloss

Space	true
t	subtype

of

Concept

t	900000000000539002\|Description format (foundation metadata concept)\|
ShowFormat	inline

attribute which specifies the format of

Gloss

Space	true
t	terms

in

Gloss

Space	true
t	descriptions

of this

Gloss

t	description type

.

NONO

Specref

RefType	(field)
t	descriptionLength

Integer

The maximum length in bytes of the

Gloss

Space	true
t	terms

in

Gloss

Space	true
t	descriptions

of this

Gloss

t	description type

.

...

NO

...

Metadata

The following metadata supports the

Gloss

Space	true
t	description

format

Gloss

t	reference set

:

...

Concept

t	900000000000454005\|Foundation metadata concept\|

Scg expression

Border	ridge


  900000000000454005 |Foundation metadata concept|
		900000000000455006 |Reference set|
				900000000000538005 |Description format|

Excerpt Include

	REUSE:Notes on Reference Set Example Tables
	REUSE:Notes on Reference Set Example Tables
nopanel	true

...

Concept

t	900000000000455006\|Reference set\|

...

Concept
t 900000000000538005|Description format|

...

Descriptor

The table below shows the descriptor that defines the structure of the

Concept

t	900000000000538005\|Description format reference set\|

.

refsetId

referencedComponentId (Referenced component)

attributeDescription (Attribute description)

attributeType (Attribute type)

attributeOrder (Attribute order)

Concept

t	900000000000456007\|Reference set descriptor\|

Concept

t	900000000000538005\|Description format\|

Concept

t	900000000000462002\|Description type component\|

Concept

t	900000000000461009\|Concept type component\|

0

Concept

t	900000000000456007\|Reference set descriptor\|

Concept

t	900000000000538005\|Description format\|

Concept

t	900000000000539002\|Description format\|

Concept

t	900000000000461009\|Concept type component\|

1

Concept

t	900000000000456007\|Reference set descriptor\|

Concept

t	900000000000538005\|Description format\|

Concept

t	900000000000544009\|Description length\|

Concept

t	900000000000478000\|Unsigned integer\|

2

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

Specref

RefType	(field)
t	id

,

Specref

RefType	(field)
t	effectiveTime

,

Specref

RefType	(field)
t	active

,

Specref

RefType	(field)
t	active

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

Gloss

Space	true
t	term

from one of the

Gloss

Space	true
t	descriptions

associated with each of the identified

Gloss

t	concept

. The release file only contains the

Gloss

t	identifier

.

...

Example Data

This example holds the all the members of the

Concept

t	900000000000538005\|Description format reference set\|
ShowFormat	inline

in the

Gloss

Space	true
t	SNOMED CT International Release

for July 2014. Other members may added to future versions of the

Gloss

Space	true
t	International Release

if new

Gloss

Space	true
t	description types

are introduced. Owners of Extensions that support additional

Gloss

Space	true
t	description types

must also add members to the

Concept

t	900000000000538005\|Description format reference set\|

.

...

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Data structure

Metadata

Descriptor

Example Data

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Old Version 4

New Version 5

Key

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Data structure

Metadata

Descriptor

Example Data