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Linkage Concept Hierarchy

Linkage Concept

Hierarchy

Purpose

This concept is the supertype parent or ancestor of , , etc.

Concept Addition Rules

No new subtype children may be added in an extension

See tables below for concept addition rules for the descendants of existing subtype children.

Concept Model Attributes

Concept Addition Uses Cases

Extending the SNOMED CT concept model to allow sufficient definitions to be applied to concepts that are not sufficiently defined in the International Edition.

Additional Notes

Any attributes created in extensions need to be carefully managed and documented. Extension attributes may also need to be revised or inactivated to align with future changes to the concept model in the International Edition.

Concept Addition Uses Cases

Requirements to support additional types of assertion in clinical records

Hierarchy

410662002 | Concept model attribute|

Purpose

These concepts provide the values for Relationship.typeId and represent the type of a defining relationship.

Examples

  • 260686004 | Method|

  • 260870009 | Priority|

  • 363704007 | Procedure site|

Concept Addition Rules

Additional attributes may be added in an extension, where required to support extensions to the SNOMED CT concept model.

Hierarchy

416698001 | Link assertion|

Purpose

These concepts represent clinical assertions about relationships between instances of clinical statement in an EHR. For example, they may assert that a particular symptom is caused by something.

International Edition Examples

  • 417151001 | Has explanation|

  • 416271009 | Has problem member|

  • 416586004 | Has problem name|

  • 416083004 | Has reason|

Concept Addition Rules

Link Assertions

Provide Feedback
106237007 | Linkage concept|
410662002 | Concept model attribute|
416698001 | Link assertion|

Additional subtype children may be added in an extension. However, it is recommended that proposed additions be submitted to the International Edition, unless they are highly specific.

417569004 | Has support|
416872009 | Is etiology for|
417318003 | Is manifestation of|