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codesystemIdentifier

A reference to a code system definition, optionally qualified with a library identifier. Used in valueset definitions and code definitions to reference a declared code system.

Examples

Unqualified reference to a local code system

code "T2DM Code": '44054006' from "SNOMED-CT"

Library-qualified code system reference

code "T2DM Code": '44054006' from Shared."SNOMED-CT"
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libraryIdentifier . identifier

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EBNF

codesystemIdentifier
  : (libraryIdentifier '.')? identifier
  ;

Used In

codeDefinitioncodeSelectorcodesystems