Category:Modifier

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Definition: A modifier is an attribute that changes the meaning of a clinical concept in a way that does not specialize the meaning. This is in contrast to a 'qualifier' for which the resulting meaning is a subtype of the original meaning. 'Family history of', 'Planned' and 'Not done' are examples of modifiers.


Reference Definition: A modifier is an attribute that changes the meaning of a clinical concept in a way that changes the semantic hierarchy (or 'axis') of the code. The resulting modified meaning is not a subtype of the original meaning of the code, and is therefore not classified as a 'qualifier'. 'Family history of', 'Planned' and 'Not done' are all examples of modifiers. (IHTSDO)
Component of: Information Model
See also: Qualifier

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