This is an abbreviation for active component.

active component

A SNOMED CT component that is intended for use. 


  • Release files contain active and inactive components to provide a historical record of the terminology at different points in time.
  • A component is active when the most recent row with the relevant in the full release file has the value =1 (one). The most recent row for a component is determined based on the component.effectiveTime value.

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