A computable rule that is used to define a set of clinical meanings.
Notes
- SNOMED CT expression constraints are defined using the .
- Expression constraints can be used for a variety of purposes including:
- Specifying that constrain the values that can be entered in a particular .
- Representing an , which may be used to determine the membership of a
- Querying for record entries that contain specified sets of and/or
- Defining the by specifying the sets of concepts in a and the of values applicable to each .
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