7.19.1
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Local Code Systems
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Error Handling
SNOMED CT Properties Section
The SNOMED CT Properties section displays metadata about the concept. The fields in this section are always the same: Concept ID, Module, Effective time, Status, Definition status, and Subclass definition.
Released components (concepts, descriptions, relationships) are identifiable by their effective time.
It refers to the point of time when a new version of the component became effective, which is usually the date of publication. If the effective time is in the past, then that particular component has already been released.
SNOMED CT Properties Section
In case of inactive concepts, this section also displays additional information, such as Inactivation indicator, or Possibly equivalent to values when available. For example, concepts inactivated due to ambiguity often list alternate choices that may be equivalent, as in the example for Allergic asthma with stated cause shown below.
Concep Editor for Inactive SNOMED CT Concept

Available actions in the SNOMED CT Properties Section

Clicking the blue triangle next to a SNOMED CT property displays a list of actions that can be performed on the property. The available actions vary depending on the property.
The actions for Status allow adding pending move to a concept.
The Definition status can be set to
primitive or
defined.
The Subclass definitions property is an advanced description logic feature that declares that all subclasses of the current concept are mutually disjoint. Unless you are working with SNOMED International's proposed SNOMED CT Pharmacy Model or doing research on extending the expressivity currently used by SNOMED CT, you do not need to modify this setting.
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