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 e5b55491-22f1-4b3c-b215-f9cff1022c82-59

This value set includes codes based on the following rules: