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Qualifiers must only be used where the result of applying them results in a true subtype of the original Concept. Therefore, qualifiers should not be used for the following purposes:purposes listed in .These and similar major modifications need to be handled in ways that are explicit and ensure that queries and decision support protocols are able to accurately retrieve and analyze the available information.
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Deprecated Use | Example | Notes |
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Example:
Negation | | Fracture of humerus | must not be qualified by "excluded." | It would be inappropriate for data retrieval to treat this as a subtype of the clinical finding | Fracture of humerus |. |
Certainty | | Carcinoma of cervix | must not be qualified by "possible." | It would be inappropriate for data retrieval to treat this as a subtype of the diagnosis of | Carcinoma of cervix |. |
Subject of information | | Diabetes mellitus | should not be qualified by "family history." | It would be inappropriate for data retrieval to treat this as a subtype of the diagnosis of | Diabetes mellitus | in the patient. |
Planning stage | | Hip replacement | should not be qualified by "planned" or "requested." | It would be incorrect for a count of "Hip replacement" operations performed to include this. Decision support protocols should not assume the patient has had this operation |
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