codeDefinition

Declares a named code from a previously declared code system. An optional display clause provides a human-readable label for the code.

Examples

SNOMED code without display

code "Diabetes mellitus type 2": '44054006' from "SNOMED-CT"

LOINC code with display label

code "HbA1c laboratory test": '4548-4' from "LOINC" display 'Hemoglobin A1c/Hemoglobin.total in Blood'

Private code definition

private code "Systolic BP": '8480-6' from "LOINC"

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codeDefinition
  : accessModifier? 'code' identifier ':' codeId 'from' codesystemIdentifier displayClause?
  ;