Union of http://hl7.org/fhir/ValueSet/substance-code and http://terminology.ehdsi.eu/ValueSet/eHDSIAllergenNoDrug

This is the ValueSet that contains all the codes in Substance Code (http://hl7.org/fhir/ValueSet/substance-code) and eHDSI Allergen No Drug (http://terminology.ehdsi.eu/ValueSet/eHDSIAllergenNoDrug). E.g. what you have to deal with if you get resources containing codes in either of them

CodeSystem

Generated Narrative: ValueSet e8c6bc55-afdd-4bb5-a640-c92f2a5911f2-8

This value set includes codes based on the following rules: