This is the ValueSet that contains codes in both BeVSAllergyIntoleranceType (https://www.ehealth.fgov.be/standards/fhir/allergy/ValueSet/be-vs-allergyintolerance-type) and BeVSAllergyIntoleranceType (https://www.ehealth.fgov.be/standards/fhir/allergy/ValueSet/be-vs-allergyintolerance-type).