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relationship group

Created by Beth Holloway on 2019-Feb-06

This is used to refer to a group of relationships representing an attribute group.

attribute group

An association between a set of attribute value pairs that causes them to be considered together within a concept definition or postcoordinated expression.

Notes

When an attribute group is represented as a group of defining relationships it is usually referred to as a relationship group.

Example

| Cholecystectomy with exploration of common duct| has two different attribute groups:
- | Method| | Exploration - action| is grouped with | Procedure site - Direct (attribute)| | Common bile duct structure|
- | Method| | Excision - action| is grouped with | Procedure site - Direct (attribute)| | Gallbladder structure|
If these attributes were not grouped, this procedure would incorrectly classified as a subtype of | Excision of common bile duct| .

Alternatives

Relationship group
Role group

References

Relationship Group

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