Simple type Reference Sets

The Simple type Reference Set serves a specified purpose for which a set of components can be specified for inclusion or exclusion.

This type of Reference Set represents an extensional definition of a subset of SNOMED CT components, therefore it can be used to fully enumerate a subset of concepts, descriptions, or relationships.

In Snow Owl you can choose from the following referenced component types:

• SNOMED CT Concept

• SNOMED CT Description

To create a new Simple type Reference Set, right-click on the Simple type Reference Set navigational node and select the New Simple type reference set... Context Menu option.

Adding members

• Drag and Drop concept from the SNOMED CT Navigator

• Use the SNOMED CT Navigator Context Menu options

  • Add concept(s) to the active reference set > Concept only

  • Add concept(s) to the active reference set > Concept descendants only

  • Add concept(s) to the active reference set > Concept and descendants

• Use the Search View Context Menu options

  • Add concept to the active reference set

  • Add all results to the active reference set

• Use the Reference Set Editor's New SNOMED CT Reference Set Member Wizard through

  • Add new reference set member

These options are only enabled when a Reference Sets Editor is open and activated.

The new members will be automatically added when using one of these methods.

If a referenced component is already present in the Simple type Reference Set, a warning appears and the member will not be added again.

Reference Set Member Module

New members will be added using the module that is currently specified in the SNOMED CT Settings.

To modify the module of a Reference Set member, click on the member that you would like to change, press the and select the desired module.

Make sure you have the Module ID property enabled in the SNOMED CT Reference Set Editor Preferences.

If you add a new member using the New SNOMED CT Reference Set Member Wizard, you can immediately specify the module in the wizard.