Stream: terminology
Topic: Multiple codes per concept
Jay Lyle (Jan 17 2020 at 18:29):
Can a code system define multiple codes for a single concept? In different VistA files, a "discontinued" Rx may be represented as "DC", "D", or "12".
Grahame Grieve (Jan 17 2020 at 19:51):
yes there's an extension for that
Grahame Grieve (Jan 17 2020 at 19:52):
http://hl7.org/fhir/StructureDefinition/codesystem-alternate
Michael Lawley (Jan 30 2020 at 02:39):
and some code systems do this implicitly (eg via a compositional grammar)
Last updated: Apr 12 2022 at 19:14 UTC
