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Example:  Precoordinated representation of "Laparoscopic emergency appendectomy"
SNOMED CT contains the concept 174041007|laparoscopic emergency appendectomy|. The identifier of this concept (174041007) can be used (with or without the associated term) as a precoordinated expression to record an instance of this procedure.
The procedure 'laparoscopic emergency appendectomy' has at least three distinct facets: 'removal of appendix', 'using a laparoscope' as 'emergency procedure'. The

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174041007|laparoscopic emergency appendectomy| precoordinates these facets as its definition includes the following defining relationships:

  • 116680003|is a| = 80146002|appendectomy|
  • 260870009|priority|=25876001|emergency|
  • 425391005|using access device| = 86174004|laparoscope|

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