Reference Sets Practical Guide

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TypeDescription
Simple reference sets

A  simple reference set may be used to represent a SNOMED CT-based

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tvalue set
applicable to a particular field in a message. The items to be populated in a particular field in the message can be constrained by filtering searches so that only
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tconcepts
within that
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treference set
are returned.

Query specification reference setQuery specification reference sets may be used to represent a set of intensionally defined SNOMED CT subsets, where each subset represents the value set for a particular field in a communication messages. One query specification reference set may therefore be used to hold all value sets applicable within a single communication messages, or within a set of messages.

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