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 b8a9ee32-5716-49e0-a35c-639fed825b9c-17

This value set includes codes based on the following rules: