SNOMED Documentation Search
Purpose
An
723592007
|
MRCM attribute range reference set|
allows attributes to be associated with a valid value range for a given SNOMED CT content type and rule strength. The range of each attribute is defined using an Expression Constraint. This expression constraint represents the set of concepts, expressions, or concrete values that may be used as the value of the given attribute.1
The
723592007
|
MRCM attribute range reference set|
also provides a summary of the concept model rule associated with each attribute (including all valid domains and the given range) using an Expression Constraint representation. This attribute rule can be completely auto-generated by combining information from the
723604009
|
MRCM attribute domain reference set|
and the
723592007
|
MRCM attribute range reference set|
.
Data Structure
An 723592007 | MRCM attribute range reference set| is structured as shown in the following table.
Field Data type Purpose id A 128 bit unsigned Integer, uniquely identifying this reference set member. Different versions of a reference set member share the same id but have different effectiveTime. This allows a reference set member to be modified or made inactive (i.e. removed from the active set) at a specified time.
The inclusive date or time at which this version of the identified reference set member became the current version. Note: In distribution files the effectiveTime should follow the short ISO date format (YYYYMMDD) and should not include the hours, minutes, seconds or timezone indicator. The current version of this reference set member at time T is the version with the most recent effectiveTime prior to or equal to time T .
YES (Full) Optional (Snapshot) The state of the identified reference set member as at the specified effectiveTime . If active = 1 (true) the reference set member is part of the current version of the set, if active = 0 (false) the reference set member is not part of the current version of the set.
Identifies the SNOMED CT module that contains this reference set member as at the specified effectiveTime . The value must be a subtype of
900000000000443000
|
Module (core metadata concept)|
within the metadata hierarchy.
Identifies the reference set to which this reference set member belongs.
In this case, a subtype descendant of:
723592007
|
MRCM attribute range reference set|
A reference to the SNOMED CT component to be included in the reference set.
A reference to the SNOMED CT attribute concept to which the range defined by this member applies. rangeConstraint A parsable string, which defines the valid set of values that may be used for the given attribute (identified by the referencedComponentId). If the attribute in the referencedComponentId is a subtype of
762705008
|
Concept model object attribute (attribute)|
then the rangeConstraint must be an expression constraint, which can be parsed using the ABNF rules defined by the Expression Constraint Language . If the attribute in the referencedComponentId is a subtype of
762706009
|
Concept model data attribute (attribute)|
then the rangeConstraint must be parsable using the concreteValueReplacement ABNF rule specified in the SNOMED CT Template Syntax. For example, the following rangeConstraint includes the set of all positive integers: int (>#0..) YES attributeRule An Expression Constraint that captures the domain, range and cardinality constraints for the given attribute, rule strength and content type. YES ruleStrengthId A subtype of
723573005
|
Concept model rule strength|
which specifies whether the given rule is mandatory (resulting in an error) or optional (resulting in a warning). YES contentTypeId A subtype of
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|
Content type|
which indicates the type of SNOMED CT content over which this rule applies. YES
Part of Primary Key NO YES (Full /Snapshot) YES YES NO YES NO NO NO NO NO NO
This string can be parsed using the ABNF syntax defined for the Expression Constraint Language .
If ranges with concrete values are required, the Expression Constraint Language can be extended as described above (for rangeConstraint).NO NO NO
Metadata
The following metadata hierarchy supports this reference set:
Ref
Notes
1
If ranges including concrete values (such as integers or strings) are required, the Expression Constraint Language can be extended, as described for rangeConstraint in the Data Structure section on this page.
2
Please note that the
723574004
|
Content type|
hierarchy is designed using 'universal restriction' logic. The hierarchy may therefore appear to be 'upside down'. However, it was designed in this way because if an MRCM rule applies to
723596005
|
All SNOMED CT content|
then it also applies to the Content Types that are a supertype of this - including
723594008
|
All precoordinated SNOMED CT content|
and
723595009
|
All postcoordinated SNOMED CT content|
.
Notes on the tables used to show descriptors and examples The reference set example tables on this page have been revised as follows to aid clarity and understanding:Reference Set Descriptor and Example Data
Descriptor Template
The table below shows the reference set descriptor for a reference set that follows the 723592007 | MRCM attribute range reference set| pattern.
refsetId | referencedComponentId | attributeDescription | attributeType | attribute Order |
|---|---|---|---|---|
0 | ||||
1 | ||||
2 | ||||
3 | ||||
4 |
Example Data
The table below shows some example rows from a reference set that follows the format of the 723592007 | MRCM attribute range reference set| .
refsetId | referencedComponentId | rangeConstraint | attributeRule | ruleStrengthId | contentTypeId |
(<<
404684003 |Clinical finding (finding)|
OR <<
272379006 |Event (event)|
): [0..*] { [0..*]
255234002 |After|
= (<<
404684003 |Clinical finding (finding)|
OR <<
71388002 |Procedure (procedure)|
)}
| |||||
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