Release File Specification

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Note
titleImportant Note


Transitive Closure Files are not distributed in the SNOMED CT International Release

The two file structures documented here are intended as points of reference for those generating transitive closure table from the release data.

SNOMED International provides a script file that can be used to generating the first of these structure structures from the snapshot version of the Relationship File.

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Field

Data type

Purpose

Part of Primary Key

subtypeId

SCTID (data type)

Id of theplaying therole. Set to anof a.

YES

supertypeId

SCTID (data type)

Id of theplaying the supertype role. Set to anof a.

YES

...

Field

Data type

Purpose

Part of Primary Key

subtypeId

SCTID (data type)

Id of theplaying therole. Set to anof a.

YES

supertypeId

SCTID (data type)

Id of theplaying the supertype role. Set to anof a.

YES

effectiveTime (field)

Time (data type)

Specifies the inclusive date at which therecord became validwas added or changed its active state.

YES

active (field)

Boolean (data type)

Specifies whether theversion's state wasorfrom at therepresented by the subtypeId and superTypeId became validor invalidfrom the point in time specified by the effectiveTime (field).

NO

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