Union of http://terminology.hl7.org/CodeSystem/umls and http://terminology.hl7.org/CodeSystem/umls

This is the CodeSystem that contains all the codes in Unified Medical Language System (http://terminology.hl7.org/CodeSystem/umls) and Unified Medical Language System (http://terminology.hl7.org/CodeSystem/umls). E.g. what you have to deal with if you get resources containing codes in either of them

CodeSystem

Generated Narrative: CodeSystem 2c77c26f-0eba-4543-89eb-09eda3cba01c-1646

This code system http://hl7.org/fhir/comparison/CodeSystem/2c77c26f-0eba-4543-89eb-09eda3cba01c-1646 defines codes, but no codes are represented here

Code