Definition: A characteristic that refines the meaning of a concept.
Reference Definition: Qualifying characteristic: An attribute-value relationship associated with a concept code to indicate to users that it may be applied to refine the meaning of the code. The set of qualifying relationships provide syntactically correct values that can be presented to a user for post-coordination. Example: “‘Revision status’ : ‘First revision’” is a possible qualifying characteristic of ‘Hip replacement’. A qualifying characteristic is contrasted with a defining characteristic. It is referred to in CTV3 as a ‘Qualifier’. (IHTSDO) - SNOMED CT User Guide
See also: Modifier
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