Intersection of http://hl7.org/fhir/ValueSet/substance-code and http://terminology.ehdsi.eu/ValueSet/eHDSIAllergenNoDrug
This is the ValueSet that contains codes in both Substance Code (http://hl7.org/fhir/ValueSet/substance-code) and eHDSI Allergen No Drug (http://terminology.ehdsi.eu/ValueSet/eHDSIAllergenNoDrug).