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When these values are applied to this reference set type, the phrase "SNOMED source code" is interpreted as meaning "SNOMED expression" and "target code" refers to the

Field

Data type

Purpose

id

Specref

RefType	data type
t	UUID

A 128 bit unsigned integer, uniquely identifying the reference set member.

Specref

t	effectiveTime

Specref

RefType	data type
t	Time

Specifies the inclusive date at which this change becomes effective.

Specref

t	active

Specref

RefType	data type
t	Boolean

Specifies whether the member's state was active or inactive from the nominal release date specified by the effectiveTime field.

Specref

t	moduleId

Specref

RefType	data type
t	SCTID

Identifies the member version's module. Set to a child of

Concept

ShowParts	term
t	900000000000443000 Module

in the metadata hierarchy.

Specref

t	refsetId

Specref

RefType	data type
t	SCTID

Identifies the reference set and must be a subtype of

Concept

ShowParts	term
t	705109006 Code to expression type reference set

which is located in the metadata hierarchy as shown below:

Scg expression

ShowFormat	inline

900000000000454005 | Foundation metadata concept |
	900000000000455006 | Reference set |
		705109006 |Code to expression type reference set|

Specref

t	referencedComponentId

Specref

RefType	data type
t	SCTID

A reference to a SNOMED CT metadata concept referring to the code system containing the

Gloss

t	other-codes
t:	other-codes

. This is a subtype of

Concept

ShowParts	term
t	705113004 Terminology system

.

Specref

t	mapTarget

Specref

RefType	data type
t	String

The

Gloss

t	other-code
t:	other-codes

associated with the SNOMED CT expression.

Specref

t	expression

Specref

RefType	data type
t	String

A

Gloss

t	SNOMED CT expression

that represents the SNOMED CT definition of the

Gloss

t	other-code
t:	other-codes

. This expression may be a

Gloss

t	stated
GlosTerm	stated view

or

Gloss

t	inferred view

of the definition provided that documentation of each identified reference set specifies the view provided.

The expression must conform to the syntax defined in the SNOMED CT Compositional Grammar - Specification and Guide (http://snomed.org/scg).

Specref

t	definitionStatusId

Specref

RefType	data type
t	SCTID

Indicates whether or not the expression contains a sufficient definition of the

Gloss

t	other-code
t:	other-codes

in the mapTarget field.
Possible values are the following subtypes of

Concept

t	900000000000444006 Definition status

:

Scg expression

ShowFormat	inline

	900000000000074008 | Necessary but not sufficient concept definition status |
	  900000000000073002 | Sufficiently defined concept definition status |

Specref

t	correlationId

Specref

RefType	data type
t	SCTID

The correlation between the SNOMED CT expression and the

Gloss

t	other-code
t:	other-codes

. Possible values are the following subtypes of

Concept

t	447247004 SNOMED CT source code to target map code correlation value

:

Scg expression

ShowFormat	inline

	447559001 | Broad to narrow map from SNOMED CT source code to target code |
	  447557004 | Exact match map from SNOMED CT source code to target code |
	  447558009 | Narrow to broad map from SNOMED CT source code to target code |
	  447560006 | Partial overlap between SNOMED CT source code and target code |

Note

Gloss

t	other-code.
t:	other-codes

.

Specref

t	contentOriginId

Specref

RefType	data type
t	SCTID

Indication of whether concept was initially in one of the terminologies (SNOMED CT or

Gloss

t	other-codes
t:	other-codes

) and added to the other as part of mapping or was in both terminologies at the outset. Values are subtype children of

Concept

t	705116007 Original code system source for linked content value

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