Union of http://hl7.org/fhir/ValueSet/substance-code and http://hl7.org/fhir/ValueSet/substance-code

This is the ValueSet that contains all the codes in Substance Code (http://hl7.org/fhir/ValueSet/substance-code) and Substance Code (http://hl7.org/fhir/ValueSet/substance-code). E.g. what you have to deal with if you get resources containing codes in either of them

CodeSystem

Generated Narrative: ValueSet f9fa7013-2d09-4533-8e07-0bd14360d61e-59

This value set includes codes based on the following rules: