This is the CodeSystem that contains all the codes in RadLex radiology lexicon (http://radlex.org) and RadLex radiology lexicon (http://radlex.org). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: CodeSystem 2023f8dc-2ca7-4cc8-b1b8-b801585b8ec6-464
This code system http://hl7.org/fhir/comparison/CodeSystem/2023f8dc-2ca7-4cc8-b1b8-b801585b8ec6-464 defines codes, but no codes are represented here
http://hl7.org/fhir/comparison/CodeSystem/2023f8dc-2ca7-4cc8-b1b8-b801585b8ec6-464