This is the ValueSet that contains codes in both BeVSAnnex81ReasonCode (https://www.ehealth.fgov.be/standards/fhir/drp/ValueSet/be-vs-annex-81-reason-code) and BeVSAnnex81ReasonCode (https://www.ehealth.fgov.be/standards/fhir/drp/ValueSet/be-vs-annex-81-reason-code).