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The illustration below show how a user interface can support entry of qualifier values, and how the selection can be represented by a single SNOMED CT expression.
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Refinement using a of data entry template |
Constraints on the Entry of Invalid Qualifiers
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 purposes listed in
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Deprecated Uses of Qualifiers |
Deprecated Use | Example | Notes |
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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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