Release File Specification

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Purpose

An 447258008 $$ Ordered type reference set $$ allows a collection of components to

Scg expression
ShowPartsid+term
447258008|Ordered type reference set|
allows a collection ofto be defined with a specified given a priority ordering. This type of reference ret can ofcan also be used to specify ordered associations between different components. These can be used to specify several interrelated subsets of components and to define alternative hierarchies for navigation and selection of concepts or descriptions ofor.

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Data structure

An Ordered reference set is Anis an Integer Component reference set is used to represent ordered lists and alternative hierarchies. Its structure is shown in the following table.

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Table 22. Ordered reference set - Data structure

 

 

Field

Data type

Purpose

id (field)

UUID (data type)

A 128 bit unsigned

integer

Integer (data type), uniquely identifying this

reference set member

.

Different versions of a reference set member share the same id (field) but have different

effectiveTimes

effectiveTime (field). This allows a reference set member to be modified or made

inactive

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

effectiveTime (field)

Time (data type)

The inclusive date or time at which this version of the

identified reference set member became

identifiedbecame the current version.

The current version of

this reference set member at

thisat time T is the version with the most recent effectiveTime (field) prior to or equal to time T .

active (field)

Boolean (data type)

The state of the

identified reference set member as

identifiedas at the specified effectiveTime (field) .

If active (field) = 1 (true)

the reference set member is

theis part of the current version of the set, if active (field) = 0 (false)

the reference set member is

theis not part of the current version of the set.

moduleId (field)

SCTID (data type)

Identifies

the SNOMED CT module that contains this reference set member as

thethat contains thisas at the specified effectiveTime (field) .

The value must be

a subtype of 900000000000443000 $$ Module (core metadata concept) $$

aof

Scg expression
ShowPartsid+term
900000000000443000|Module (core metadata concept)|
within the metadata

hierarchy

.

refsetId (field)

SCTID (data type)

Identifies

the reference set to which this reference set member belongs

theto which thisbelongs.

In this case, set to

a subtype of 447258008 $$ Ordered type reference set $$

aof

Scg expression
ShowPartsid+term
447258008|Ordered type reference set|

referencedComponentId (field)

SCTID (data type)

referencedComponentId

SCTID

The identifier of

a SNOMED CT component that

athat is included in the ordered list of alternative hierarchy.

order (field)

Integer

Specifies the sort order (field) of the list. The list is ordered by applying an ascending sort of the order (field) value.

The value of order (field) =1 represents the highest priority. A value of '0' is not allowed. Duplicate values are permitted and the sort order between two members with the same order value is not defined.

If the linkedToId (field) value is not 0, sorting occurs within subgroups that share the same linkedToId

value

(field).

Note: The name "order" is a reserved word in some database environments. Please consider this when using this column.

linkedToId (field)

SCTID (data type)

The identifier of

a SNOMED CT component that

athat acts as a grouper or hierarchy node, collecting together a subgroup from within the list.

This field either

enables reference set member linked

enableslinked into a number of subgroups. These subgroups can be nested allowing representation of alternative hierarchies.

To link members into a subgroup, all components in the same subgroup should reference the same

component

. This can either be a component that represents the name of that subgroup or the first member of the subgroup. In the latter case, the first row of each subgroup will contain the same identifier in referencedComponentId (field) and linkedToId (field) and with order (field) =1.

To link a number

of children concepts to

ofto a single parent

concept

, one member record should exist per

child

, with the referencedComponentId (field) field referencing the parent and this field referencing the

child concept

. The order (field) field is then used to order

the children concepts under the parent concept

(field) theunder the parent.

For ordered lists that do not require grouping or hierarchical arrangement the value of linkedToId (field) should be the digit zero (0).

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Metadata

The following metadata in the "Foundation metadata concept " hierarchy supports this reference set :

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    _be759981-811b-47ce-a5b1-38173d1c843a__2
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    _be759981-811b-47ce-a5b1-38173d1c843a__4
    Scg expression
    ShowPartsid+term
    900000000000454005

    $$ 

    |Foundation metadata concept

    $$

    |
    Anchor
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    _be759981-811b-47ce-a5b1-38173d1c843a__9

    • Scg expression
      ShowPartsid+term
      900000000000455006

      $$ 

      |Reference set

      $$

      |
      Anchor
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      _be759981-811b-47ce-a5b1-38173d1c843a__3

      • Scg expression
        ShowPartsid+term
        447258008

        $$ 

        |Ordered type reference set

        $$

        |
        ...

Figure 9. Ordered References Sets in the Metadata Hierarchy

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Descriptor template and examples

The tables below show the descriptor that defines the structure of the 447258008 $$ Ordered type reference set $$

Scg expression
ShowPartsid+term
447258008|Ordered type reference set|
pattern and an example of descriptor for a specific reference set that specificthat follows this pattern.

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Table 23. Refset Descriptor rows for

447258008 $$ Ordered type reference set $$

Scg expression
ShowPartsid+term
447258008|Ordered type reference set|
 

 

 

 

 

refsetId

referencedComponentId

attributeDescription

attributeType

attributeOrder

900000000000456007 $$ Reference set descriptor $$

447258008 $$ Ordered type reference set $$

449608002 $$ Referenced component $$

900000000000460005 $$ Component type $$

0

900000000000456007 $$ Reference set descriptor $$

447258008 $$ Ordered type reference set $$

447255006 $$ Priority order reference set attribute $$

900000000000478000 $$ Unsigned integer $$

1

900000000000456007 $$ Reference set descriptor $$

447258008 $$ Ordered type reference set $$

447257003 $$ "Linked to" reference set attribute $$

Scg expression
ShowPartsid+term
900000000000456007|Reference set descriptor|

Scg expression
ShowPartsid+term
447258008|Ordered type reference set|

Scg expression
ShowPartsid+term
449608002|Referenced component|

Scg expression
ShowPartsid+term
900000000000460005|Component type|

0

 

Scg expression
ShowPartsid+term
900000000000456007|Reference set descriptor|
 

Scg expression
ShowPartsid+term
447258008|Ordered type reference set|

Scg expression
ShowPartsid+term
447255006|Priority order reference set attribute|

Scg expression
ShowPartsid+term
900000000000478000|Unsigned integer|

1

Scg expression
ShowPartsid+term
900000000000456007|Reference set descriptor|

Scg expression
ShowPartsid+term
447258008|Ordered type reference set|

Scg expression
ShowPartsid+term
447257003|"Linked to" reference set attribute|

Scg expression
ShowPartsid+term
900000000000460005|Component type|

900000000000460005 $$ Component type $$ 

2
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Table 24. Refset Descriptor rows for
 447570008 $$ SNOMED CT top level navigation hierarchy ordered reference set $$ 
 Scg expression
ShowPartsid+term
447570008|SNOMED CT top level navigation hierarchy ordered reference set|
.
 
 
 
 
refsetId
referencedComponentId (Referenced component)
attributeDescription (Attribute description)
attributeType (Attribute type)
attributeOrder (Attribute order)
 
 Scg expression
ShowPartsid+term
900000000000456007
 $$ 
|Reference set
 descriptor $$
 descriptor|
 Scg expression
ShowPartsid+term
447570008
 $$ 
|SNOMED CT top level navigation hierarchy ordered reference
 set $$
 set|
 Scg expression
ShowPartsid+term
449608002
 $$ 
|Referenced
 component $$
 component|
 Scg expression
ShowPartsid+term
900000000000461009
 $$ 
|Concept type component
 $$
|
0
 
 Scg expression
ShowPartsid+term
900000000000456007
 $$ 
|Reference set
 descriptor $$
 descriptor|
 Scg expression
ShowPartsid+term
447570008
 $$ 
|SNOMED CT top level navigation hierarchy ordered reference
 set $$
 set|
 Scg expression
ShowPartsid+term
900000000000479008
 $$ 
|Attribute
 order $$
 order|
 Scg expression
ShowPartsid+term
900000000000478000
 $$ 
|Unsigned integer
 $$
|
1
 
 Scg expression
ShowPartsid+term
900000000000456007
 $$ 
|Reference set
 descriptor $$
 descriptor|
 Scg expression
ShowPartsid+term
447570008
 $$ 
|SNOMED CT top level navigation hierarchy ordered reference
 set $$
 set|
 Scg expression
ShowPartsid+term
447257003
 $$ 
|"Linked to" reference set
 attribute $$
 attribute|
 Scg expression
ShowPartsid+term
900000000000461009
 $$ 
|Concept type component
 $$
|
2
 
Note: The table above omits the initial four columns of data present in the release file. These follow the standards versioning pattern id (field), effectiveTime (field), active , moduleId(field), active (field). Additionally, to aid understanding, the table above also shows the term from thefrom one of the descriptions associated theassociated with each of the identified concept. The release file only contains the identifier .
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Ordered reference set example
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Table 25. Sample content from
 447570008 $$ SNOMED CT top level navigation hierarchy ordered reference set $$ 
 Scg expression
ShowPartsid+term
447570008|SNOMED CT top level navigation hierarchy ordered reference set|
.
 
 
 
refsetId
referencedComponentId (Referenced component)
order (Attribute order)
linkedTo ("Linked to" reference set attribute)
447570008 $$ SNOMED CT top level navigation hierarchy ordered reference set $$ 
64572001 $$ Disease $$ 
1
123946008 $$ Disorder by body site $$ 
447570008 $$ SNOMED CT top level navigation hierarchy ordered reference set $$ 
64572001 $$ Disease $$ 
2
370117001 $$ Disorder of system $$ 
447570008 $$ SNOMED CT top level navigation hierarchy ordered reference set $$ 
64572001 $$ Disease $$ 
3
278919001 $$ Communication disorder $$ 
447570008 $$ SNOMED CT top level navigation hierarchy ordered reference set $$ 
64572001 $$ Disease $$ 
4
74732009 $$ Mental disorder $$ 
447570008 $$ SNOMED CT top level navigation hierarchy ordered reference set $$ 
64572001 $$ Disease $$ 
5
39898005 $$ Sleep disorder $$ 
447570008 $$ SNOMED CT top level navigation hierarchy ordered reference set $$ 
64572001 $$ Disease $$ 
6
370118006 $$ Disorder of pregnancy / labor / delivery / puerperium $$ 
447570008 $$ SNOMED CT top level navigation hierarchy ordered reference set $$ 
64572001 $$ Disease $$ 
7
370119003 $$ Fetal / neonatal / perinatal disorder $$ 
447570008 $$ SNOMED CT top level navigation hierarchy ordered reference set $$ 
64572001 $$ Disease $$ 
8
370120009 $$ Endocrine / nutritional / metabolic disorder $$ 
447570008 $$ SNOMED CT top level navigation hierarchy ordered reference set $$ 
64572001 $$ Disease $$ 
9
370121008 $$ Disorder of blood / lymphatics / immune system $$ 
447570008 $$ SNOMED CT top level navigation hierarchy ordered reference set $$ 
64572001 $$ Disease $$ 
10
281867008 $$ Multisystem disorder $$ 
 Scg expression
ShowPartsid+term
447570008|SNOMED CT top level navigation hierarchy ordered reference set|
 Scg expression
ShowPartsid+term
64572001|Disease|
1
 Scg expression
ShowPartsid+term
123946008|Disorder by body site|
 Scg expression
ShowPartsid+term
447570008|SNOMED CT top level navigation hierarchy ordered reference set|
 Scg expression
ShowPartsid+term
64572001|Disease|
2
 Scg expression
ShowPartsid+term
370117001|Disorder of system|
 Scg expression
ShowPartsid+term
447570008|SNOMED CT top level navigation hierarchy ordered reference set|
 Scg expression
ShowPartsid+term
64572001|Disease|
3
 Scg expression
ShowPartsid+term
278919001|Communication disorder|
 Scg expression
ShowPartsid+term
447570008|SNOMED CT top level navigation hierarchy ordered reference set|
 Scg expression
ShowPartsid+term
64572001|Disease|
4
 Scg expression
ShowPartsid+term
74732009|Mental disorder|
 Scg expression
ShowPartsid+term
447570008|SNOMED CT top level navigation hierarchy ordered reference set|
 Scg expression
ShowPartsid+term
64572001|Disease|
5
 Scg expression
ShowPartsid+term
39898005|Sleep disorder|
 Scg expression
ShowPartsid+term
447570008|SNOMED CT top level navigation hierarchy ordered reference set|
 Scg expression
ShowPartsid+term
64572001|Disease|
6
 Scg expression
ShowPartsid+term
370118006|Disorder of pregnancy / labor / delivery / puerperium|
 Scg expression
ShowPartsid+term
447570008|SNOMED CT top level navigation hierarchy ordered reference set|
 Scg expression
ShowPartsid+term
64572001|Disease|
7
 Scg expression
ShowPartsid+term
370119003|Fetal / neonatal / perinatal disorder|
 Scg expression
ShowPartsid+term
447570008|SNOMED CT top level navigation hierarchy ordered reference set|
 Scg expression
ShowPartsid+term
64572001|Disease|
8
 Scg expression
ShowPartsid+term
370120009|Endocrine / nutritional / metabolic disorder|
 Scg expression
ShowPartsid+term
447570008|SNOMED CT top level navigation hierarchy ordered reference set|
 Scg expression
ShowPartsid+term
64572001|Disease|
9
 Scg expression
ShowPartsid+term
370121008|Disorder of blood / lymphatics / immune system|
 Scg expression
ShowPartsid+term
447570008|SNOMED CT top level navigation hierarchy ordered reference set|
 Scg expression
ShowPartsid+term
64572001|Disease|
10
 Scg expression
ShowPartsid+term
281867008|Multisystem disorder|